NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

Area code 541 prefixes

783 of the 786 possible NXX blocks are assigned in area code 541 (99.6% of capacity), spread across 191 rate centers and 53 holders. The largest holders are QWEST CORPORATION (184 blocks, 23.5%), ONVOY, LLC - OR (70 blocks, 8.9%), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR (69 blocks, 8.8%). Grouped by brand, Lumen accounts for 303 blocks; brand-attributable holders cover 86% of the code, and the rest are CLECs, VoIP wholesalers and regional carriers that trade under their own names. The assignment records here run from 2001-01-19 to 2026-10-27, with 53 blocks handed out in 2008 alone. 510 blocks (65%) are in thousands-block pooling, meaning the block is shared between carriers in 1,000-number lots rather than held whole – which is why a single NXX can serve several carriers at once. 2 assigned blocks (775, 986) are not yet in service: assigned to a carrier but not open for calls, so a caller ID from one is spoofed. 54 were growth assignments – additional blocks to a carrier that had already filled its earlier ones.

783 assigned blocks of 786
191 rate centers
53 holders of record
65% in thousands-block pooling

Largest holders in 541

Holder of record, as NANPA names itBrandBlocksShare
QWEST CORPORATION Lumen 184 23.5%
ONVOY, LLC - OR Onvoy 70 8.9%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR Verizon 69 8.8%
T-MOBILE USA, INC. T-Mobile 54 6.9%
CENTURYTEL OF OREGON, INC. DBA CENTURYLINK Lumen 53 6.8%
NEW CINGULAR WIRELESS PCS, LLC AT&T 50 6.4%
UNITED STATES CELLULAR - OR – 43 5.5%
LEVEL 3 COMMUNICATIONS, LLC - OR Lumen 37 4.7%
ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER Ziply Fiber 31 4%
UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR Lumen 27 3.4%
ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM Allstream 21 2.7%
BANDWIDTH.COM CLEC, LLC - OR Bandwidth 17 2.2%

Names are printed as they appear in the assignment records, which is the legal entity rather than the brand. Holding a block is not the same as serving the numbers in it: portability moves numbers between carriers and pooling splits a block between several.

Rate centers with their own page

Rate centers where at least three blocks are assigned, excluding the numbered metro zone codes. The remainder are in the full table below.

All 783 assigned blocks

One row per NXX. “Pooled” means carriers draw 1,000-number lots from the block rather than holding all 10,000, so a pooled prefix can belong to several carriers at once. “Not in service” means assigned but not yet open for calls – a caller ID from one of those is necessarily spoofed. The holder column gives the brand where the legal entity maps to one; the full legal names are in the holders table above, exactly as NANPA records them.

PrefixHolder of recordRate centerAssignedPooledIn service
541-200 HUNTER CONSTRUCTION, INC. DBA HUNTER COMMS - OR MEDFORD 2011-10-03 yes yes
541-201 Lumen ASHLAND – yes yes
541-202 COMMIO, LLC MYRTLE CRK – – yes
541-203 Lumen STATELINE 2002-06-27 yes yes
541-204 Bandwidth LEABURG 2014-06-19 yes yes
541-205 Lumen KLAMATHFLS – yes yes
541-206 T-Mobile EUGENE – yes yes
541-207 Lumen CORVALLIS – yes yes
541-208 AT&T BEND 2023-09-06 yes yes
541-209 Onvoy JEFFERSON 2013-04-04 yes yes
541-210 T-Mobile MEDFORD – yes yes
541-212 T-Mobile ONTARIO 2001-03-22 yes yes
541-213 AT&T BEND 2012-10-30 yes yes
541-214 Onvoy EUGENE 2011-12-12 yes yes
541-215 Verizon PENDLETON 2005-01-13 yes yes
541-216 UNITED STATES CELLULAR - OR ONTARIO 2004-05-06 yes yes
541-217 T-Mobile COOS BAY – yes yes
541-218 AT&T GRANTSPASS – – yes
541-219 Verizon LAKEVIEW – yes yes
541-220 T-Mobile ALBANY – yes yes
541-221 T-Mobile EUGENE – yes yes
541-222 Lumen EUGENE 2007-11-02 yes yes
541-223 AT&T ALBANY – yes yes
541-224 AT&T CORVALLIS – yes yes
541-225 AT&T EUGENE – yes yes
541-226 AT&T GRANTSPASS – yes yes
541-227 AT&T MEDFORD – yes yes
541-228 T-Mobile EUGENE 2001-03-22 yes yes
541-229 Onvoy ROSEBURG – – yes
541-230 T-Mobile CORVALLIS – yes yes
541-231 Verizon CORVALLIS – yes yes
541-232 T-Mobile EUGENE – yes yes
541-233 Lumen PRINEVILLE – yes yes
541-234 Allstream JUNCTIONCY – yes yes
541-235 FARMERS MUTUAL TELEPHONE COMPANY - OR ONTARIO – – yes
541-236 Allstream ROSEBURG – yes yes
541-237 Bandwidth GRANTSPASS – yes yes
541-238 Lumen KLAMATHFLS 2001-06-18 yes yes
541-239 Lumen BAKER 2001-06-18 yes yes
541-240 UNITED STATES CELLULAR - OR PENDLETON – yes yes
541-241 Allstream BEND 2001-02-16 yes yes
541-242 Lumen EUGENE – – yes
541-243 Lumen CORVALLIS – yes yes
541-244 Allstream GRANTSPASS 2001-03-22 yes yes
541-245 Lumen MEDFORD – – yes
541-246 Allstream EUGENE – yes yes
541-247 Ziply Fiber GOLD BEACH – yes yes
541-248 Lumen ALBANY – yes yes
541-249 Lumen BAKER 2002-03-25 yes yes
541-250 T-Mobile CORVALLIS – yes yes
541-251 UNITED STATES CELLULAR - OR BROOKINGS – yes yes
541-252 T-Mobile COOS BAY 2001-03-22 yes yes
541-253 AT&T PORTORFORD 2002-06-19 yes yes
541-254 Verizon BROOKINGS 2002-08-01 yes yes
541-255 Lumen EUGENE – yes yes
541-256 UNITED STATES CELLULAR - OR HEPPNER 2002-09-06 yes yes
541-257 Allstream CORVALLIS – yes yes
541-258 Lumen LEBANON – yes yes
541-259 Lumen LEBANON – yes yes
541-260 UNITED STATES CELLULAR - OR COOS BAY – yes yes
541-261 AT&T MEDFORD – yes yes
541-262 Lumen OREGONSLOP – yes yes
541-263 Verizon ENTERPRISE 2003-10-16 yes yes
541-264 T-Mobile NEWPORT 2001-12-18 yes yes
541-265 Lumen NEWPORT – – yes
541-266 Ziply Fiber COOS BAY – – yes
541-267 Ziply Fiber COOS BAY – – yes
541-268 Lumen MAPLETON – yes yes
541-269 Ziply Fiber COOS BAY – – yes
541-270 AT&T NEWPORT – yes yes
541-271 Ziply Fiber REEDSPORT – yes yes
541-272 AT&T NEWPORT – yes yes
541-273 Lumen KLAMATHFLS – – yes
541-274 Verizon KLAMATHFLS 2002-02-25 yes yes
541-275 Bandwidth UMATILLA 2011-03-11 yes yes
541-276 Lumen PENDLETON – – yes
541-277 OREGON TEL. CORP. JUNTURA – – yes
541-278 Lumen PENDLETON – – yes
541-279 T-Mobile MADRAS – yes yes
541-280 Verizon BEND – – yes
541-281 UNITED STATES CELLULAR - OR KLAMATHFLS – yes yes
541-282 Lumen MEDFORD – yes yes
541-283 Lumen NEWPORT 2001-04-17 yes yes
541-284 Allstream EUGENE – – yes
541-285 AT&T EUGENE – yes yes
541-286 Bandwidth CORVALLIS – yes yes
541-287 AT&T CAVE JCT 2001-04-17 yes yes
541-288 T-Mobile THE DALLES 2001-08-17 yes yes
541-289 EASTERN OREGON TELECOM, LLC - OR HERMISTON 2001-01-19 – yes
541-290 UNITED STATES CELLULAR - OR COOS BAY – yes yes
541-291 T-Mobile GRANTSPASS – yes yes
541-292 T-Mobile MEDFORD 2001-10-23 yes yes
541-293 Lumen NYSSA 2011-06-22 yes yes
541-294 Verizon COOS BAY 2002-08-01 yes yes
541-295 T-Mobile GRANTSPASS 2001-10-23 yes yes
541-296 Lumen THE DALLES – – yes
541-297 AT&T COOS BAY 2001-01-19 – yes
541-298 Lumen THE DALLES – – yes
541-299 Onvoy ROGUERIVER 2006-09-25 yes yes
541-300 T-Mobile THE DALLES – yes yes
541-301 T-Mobile MEDFORD – yes yes
541-302 Lumen EUGENE – – yes
541-303 Lumen HERMISTON 2001-05-16 yes yes
541-304 Lumen PENDLETON 2001-06-18 yes yes
541-305 Lumen FLORENCE 2001-06-18 yes yes
541-306 Verizon BEND 2002-02-25 yes yes
541-307 Comcast PHILOMATH 2009-03-13 – yes
541-308 Lumen HOOD RIVER – yes yes
541-309 Bandwidth LAKEVIEW 2023-08-18 yes yes
541-310 T-Mobile PENDLETON – yes yes
541-312 Lumen BEND – – yes
541-313 Onvoy OAKRIDGE – yes yes
541-314 T-Mobile HERMISTON 2001-08-17 yes yes
541-315 Verizon OAKLAND 2002-02-25 yes yes
541-316 Allstream REDMOND – yes yes
541-317 Lumen BEND – – yes
541-318 Lumen BEND – – yes
541-319 Onvoy REEDSPORT – yes yes
541-320 Lumen SUMPTER 2005-10-04 yes yes
541-321 T-Mobile JUNCTIONCY – yes yes
541-322 Lumen BEND – – yes
541-323 BENDTEL, INC. - OR BEND 2005-11-18 yes yes
541-324 Verizon MEDFORD 2002-02-25 yes yes
541-325 Lumen MADRAS – yes yes
541-326 Lumen MEDFORD 2002-05-03 yes yes
541-327 Lumen JEFFERSON – yes yes
541-328 Lumen PINE GROVE – yes yes
541-329 Onvoy BANDON – yes yes
541-330 Lumen BEND – – yes
541-331 T-Mobile KLAMATHFLS – yes yes
541-332 Ziply Fiber PORTORFORD – – yes
541-333 Lumen GRASS VLY – – yes
541-334 Lumen EUGENE – – yes
541-335 Lumen EUGENE – yes yes
541-336 Lumen TOLEDO – yes yes
541-337 T-Mobile EUGENE – yes yes
541-338 Lumen EUGENE – – yes
541-339 OREGON-IDAHO UTILITIES, INC. RIDGEVIEW – – yes
541-340 T-Mobile THE DALLES – yes yes
541-341 Lumen EUGENE – – yes
541-342 Lumen EUGENE – – yes
541-343 Lumen EUGENE – – yes
541-344 Lumen EUGENE – – yes
541-345 Lumen EUGENE – – yes
541-346 Lumen EUGENE – – yes
541-347 Ziply Fiber BANDON – yes yes
541-348 Ziply Fiber LANGLOIS – yes yes
541-349 Lumen EUGENE – – yes
541-350 T-Mobile BEND – – yes
541-351 T-Mobile NEWPORT 2002-04-17 yes yes
541-352 Lumen PARKDALE – – yes
541-353 Lumen BLY – – yes
541-354 Lumen ODELL – yes yes
541-355 BENDTEL, INC. - OR BEND 2008-09-05 yes yes
541-356 Lumen ROCKYPOINT – – yes
541-357 Allstream EUGENE 2008-06-26 yes yes
541-358 OREGON TEL. CORP. HARPER – – yes
541-359 Lumen EUGENE 2002-05-03 yes yes
541-360 ALYRICA TELEPHONE LLC DBA NEXT GEN PHONE SYS-OR CORVALLIS 2003-12-12 yes yes
541-361 UNITED STATES CELLULAR - OR REEDSPORT – yes yes
541-362 Lumen PRINEVILLE 2002-03-13 yes yes
541-363 AT&T KLAMATHFLS 2002-04-25 yes yes
541-364 T-Mobile LINCOLN CY 2002-06-17 yes yes
541-365 Lumen CHEMULT – – yes
541-366 Lumen PORTORFORD 2002-05-14 yes yes
541-367 Lumen SWEET HOME – – yes
541-368 Lumen CORVALLIS 2002-05-03 yes yes
541-369 ROOME TELECOMMUNICATIONS, INC. HALSEY – – yes
541-370 AXXIS COMMUNICATION, INC. - OR THE DALLES 2002-06-17 yes yes
541-371 Verizon HERMISTON 2014-04-02 yes yes
541-372 Lumen NYSSA – yes yes
541-373 Verizon GOLD BEACH 2002-08-01 yes yes
541-374 Lumen CASCADELKS – – yes
541-375 Lumen ROSEBURG 2008-06-17 yes yes
541-376 Lumen ECHO – yes yes
541-377 UNITED STATES CELLULAR - OR PENDLETON – yes yes
541-378 AT&T ROSEBURG – yes yes
541-379 UNITED STATES CELLULAR - OR PENDLETON – yes yes
541-380 T-Mobile HOOD RIVER – yes yes
541-381 Lumen FT KLAMATH – yes yes
541-382 Lumen BEND – – yes
541-383 Lumen BEND – – yes
541-384 HOME TEL. CO. CONDON – – yes
541-385 Lumen BEND – – yes
541-386 Lumen HOOD RIVER – – yes
541-387 Lumen HOOD RIVER – – yes
541-388 Lumen BEND – – yes
541-389 Lumen BEND – – yes
541-390 T-Mobile BEND – yes yes
541-391 T-Mobile ROSEBURG – yes yes
541-392 Lumen CASCADELKS 2002-08-14 yes yes
541-393 Allstream EUGENE – yes yes
541-394 Lumen GRASS VLY 2002-08-14 yes yes
541-395 Lumen MAUPIN – yes yes
541-396 Ziply Fiber COQUILLE – yes yes
541-397 Lumen THE DALLES 2002-07-30 yes yes
541-398 UNITED STATES CELLULAR - OR ENTERPRISE 2002-08-29 yes yes
541-399 AT&T HOOD RIVER 2002-09-04 yes yes
541-400 T-Mobile HOOD RIVER – yes yes
541-401 Verizon LEBANON – yes yes
541-402 Lumen PARKDALE 2002-08-14 yes yes
541-403 UNITED STATES CELLULAR - OR BAKER 2002-09-06 yes yes
541-404 AT&T COOS BAY 2002-09-09 – yes
541-405 Verizon LEBANON – yes yes
541-406 Ziply Fiber BAKER 2002-09-17 yes yes
541-407 Onvoy LAKEVIEW 2008-01-11 yes yes
541-408 Verizon BEND – yes yes
541-409 AT&T LEBANON – – yes
541-410 Verizon BEND – – yes
541-412 Ziply Fiber BROOKINGS – yes yes
541-413 UNITED STATES CELLULAR - OR BURNS 2002-09-06 yes yes
541-414 HUNTER CONSTRUCTION, INC. DBA HUNTER COMMS - OR MEDFORD 2009-03-05 yes yes
541-415 UNITED STATES CELLULAR - OR CAVE JCT 2003-03-12 yes yes
541-416 Lumen PRINEVILLE – – yes
541-417 UNITED STATES CELLULAR - OR LAKEVIEW 2002-09-09 yes yes
541-418 Lumen LINCOLN CY 2002-09-12 yes yes
541-419 Verizon BEND – – yes
541-420 UNITED STATES CELLULAR - OR BEND – yes yes
541-421 Lumen LONG CREEK – – yes
541-422 Lumen IONE – yes yes
541-423 Allstream CENTRAL PT 2003-07-01 yes yes
541-424 PIONEER TEL. COOPERATIVE BELLFONTAN – – yes
541-425 UNITED STATES CELLULAR - OR GOLD BEACH 2003-08-05 yes yes
541-426 Ziply Fiber ENTERPRISE – yes yes
541-427 Lumen UKIAH – yes yes
541-428 Lumen PILOT ROCK – – yes
541-429 AT&T PENDLETON 2003-09-04 yes yes
541-430 UNITED STATES CELLULAR - OR ROSEBURG – yes yes
541-431 Lumen EUGENE – – yes
541-432 Ziply Fiber JOSEPH – – yes
541-433 Lumen GILCHRIST – – yes
541-434 Lumen EUGENE – – yes
541-435 Verizon COOS BAY 2003-07-02 yes yes
541-436 AXXIS COMMUNICATION, INC. - OR HOOD RIVER – yes yes
541-437 Ziply Fiber ELGIN 2001-05-08 – yes
541-438 PIONEER TEL. COOPERATIVE HARLAN – – yes
541-439 Ziply Fiber POWERS – yes yes
541-440 Lumen ROSEBURG – – yes
541-441 T-Mobile GRANTSPASS – yes yes
541-442 Lumen WASCO – yes yes
541-443 Lumen PILOT ROCK – – yes
541-444 Lumen SILETZ – yes yes
541-445 Lumen CAMAS VLY – yes yes
541-446 OREGON TEL. CORP. HEREFDUNTY – – yes
541-447 Lumen PRINEVILLE – – yes
541-448 OREGON TEL. CORP. BATES – – yes
541-449 Lumen STANFIELD – yes yes
541-450 Verizon GRANTSPASS – yes yes
541-451 Lumen LEBANON – yes yes
541-452 Allstream CORVALLIS – yes yes
541-453 PIONEER TEL. COOPERATIVE BLODGETT – – yes
541-454 Lumen ARLINGTON – yes yes
541-455 AXXIS COMMUNICATION, INC. - OR ARLINGTON 2004-11-17 – yes
541-456 PIONEER TEL. COOPERATIVE SUMMIT – – yes
541-457 HELIX TEL. CO. HELIX – – yes
541-458 Charter WOLF CREEK 2023-12-08 yes yes
541-459 Lumen OAKLAND – – yes
541-460 Verizon MADRAS 2004-12-06 yes yes
541-461 Lumen EUGENE – – yes
541-462 Lumen MITCHELL – – yes
541-463 Lumen EUGENE – – yes
541-464 Lumen ROSEBURG – – yes
541-465 Lumen EUGENE – – yes
541-466 Lumen BROWNSVL – yes yes
541-467 NORTH-STATE TEL. CO. DUFUR – – yes
541-468 Lumen SPRAY – yes yes
541-469 Ziply Fiber BROOKINGS – – yes
541-470 Onvoy DURKEE 2008-09-04 yes yes
541-471 Lumen GRANTSPASS – – yes
541-472 Lumen GRANTSPASS – – yes
541-473 Lumen VALE – yes yes
541-474 Lumen GRANTSPASS – – yes
541-475 Lumen MADRAS – – yes
541-476 Lumen GRANTSPASS – – yes
541-477 Lumen PAULINA – yes yes
541-478 Lumen MOSIER – – yes
541-479 Lumen GRANTSPASS – – yes
541-480 Verizon BEND – – yes
541-481 Lumen BOARDMAN – – yes
541-482 Lumen ASHLAND – – yes
541-483 Lumen TYGHVALLEY – – yes
541-484 Lumen EUGENE – – yes
541-485 Lumen EUGENE – – yes
541-486 PIONEER TEL. COOPERATIVE LOBSTERVLY – – yes
541-487 PIONEER TEL. COOPERATIVE ALSEA – – yes
541-488 Lumen ASHLAND – – yes
541-489 TRANS-CASCADES TEL. CO. ANTELOPE – – yes
541-490 AT&T HOOD RIVER – – yes
541-491 Lumen SHEDD – yes yes
541-492 Onvoy ROSEBURG – – yes
541-493 Lumen NO HARNEY – – yes
541-494 Bandwidth MEDFORD – – yes
541-495 Lumen SO HARNEY – – yes
541-496 Lumen GLIDE – – yes
541-497 Allstream ALBANY – yes yes
541-498 Lumen NO UMPQUA – yes yes
541-499 Charter MEDFORD 2007-04-03 yes yes
541-500 Charter MEDFORD 2012-08-31 yes yes
541-501 T-Mobile EUGENE – yes yes
541-502 Bandwidth GOLD HILL 2012-01-19 yes yes
541-503 LEAP TELECOM, LLC EUGENE 2025-03-07 yes yes
541-504 Lumen REDMOND – yes yes
541-505 Allstream EUGENE 2005-10-03 yes yes
541-506 Lumen THE DALLES – – yes
541-507 Lumen GRANTSPASS 2012-08-01 yes yes
541-508 Onvoy BEND 2008-10-08 yes yes
541-510 Verizon EUGENE – yes yes
541-512 Lumen PHOENIX – yes yes
541-513 T-Mobile EUGENE – – yes
541-514 T-Mobile EUGENE – yes yes
541-515 T-Mobile EUGENE – yes yes
541-516 Lumen REDMOND 2007-02-21 yes yes
541-517 Verizon EUGENE – – yes
541-518 EAGLE TELEPHONE SYSTEM, INC. BAKER 2001-03-22 – yes
541-519 Verizon BAKER – yes yes
541-520 Verizon EUGENE – – yes
541-521 Verizon EUGENE – – yes
541-522 HUMBOLDT TELEPHONE COMPANY QUINN – – yes
541-523 Lumen BAKER – – yes
541-524 Lumen BAKER – yes yes
541-525 Bandwidth EUGENE 2008-05-27 yes yes
541-526 Lumen REDMOND 2003-10-30 yes yes
541-527 Verizon REDMOND 2015-10-28 yes yes
541-528 PIONEER TEL. COOPERATIVE TIDEWATER – – yes
541-529 Verizon OAKLAND 2015-11-12 yes yes
541-530 Verizon ROSEBURG – yes yes
541-531 UNITED STATES CELLULAR - OR MEDFORD – yes yes
541-532 Onvoy PILOT ROCK 2008-09-04 yes yes
541-533 Lumen SPRAGUERIV – – yes
541-534 Ziply Fiber IMBLER – yes yes
541-535 Lumen PHOENIX – – yes
541-536 Lumen LAPINE – yes yes
541-537 AT&T ROSEBURG 2007-02-20 yes yes
541-538 T-Mobile WHITE CITY – yes yes
541-539 AT&T KLAMATHFLS 2005-11-17 yes yes
541-540 EAGLE TELEPHONE SYSTEM, INC. RICHLAND 2001-02-16 – yes
541-541 Onvoy BROOKINGS 2024-08-15 yes yes
541-542 Lumen SENECA – yes yes
541-543 T-Mobile EUGENE – yes yes
541-544 Lumen WAMIC – yes yes
541-545 Lumen BONANZA – – yes
541-546 Lumen CULVER – yes yes
541-547 PIONEER TEL. COOPERATIVE YACHATS – – yes
541-548 Lumen REDMOND – – yes
541-549 Lumen SISTERS – – yes
541-550 T-Mobile BEND 2005-09-20 yes yes
541-551 Verizon BANDON 2002-08-12 yes yes
541-552 Lumen ASHLAND – yes yes
541-553 Lumen MADRAS – – yes
541-554 Verizon EUGENE – – yes
541-556 Verizon EUGENE – yes yes
541-557 Lumen LINCOLN CY – – yes
541-558 Lumen STATELINE – yes yes
541-559 Onvoy MYRTLE PT – yes yes
541-560 Lumen PROSPECT – yes yes
541-561 Verizon HERMISTON – yes yes
541-562 Ziply Fiber UNION – yes yes
541-563 PIONEER TEL. COOPERATIVE WALDPORT – – yes
541-564 Lumen HERMISTON – – yes
541-565 Lumen MORO – yes yes
541-566 Lumen ATHENA – yes yes
541-567 Lumen HERMISTON – – yes
541-568 Ziply Fiber COVE – yes yes
541-569 Ziply Fiber LOSTINE – yes yes
541-570 T-Mobile LEBANON – yes yes
541-571 UNITED STATES CELLULAR - OR HERMISTON – yes yes
541-572 Ziply Fiber MYRTLE PT – yes yes
541-573 Lumen BURNS – yes yes
541-574 Lumen NEWPORT – – yes
541-575 Lumen JOHN DAY – – yes
541-576 Lumen SILVERLAKE – yes yes
541-577 Ziply Fiber JOSEPH – yes yes
541-578 T-Mobile MOSIER – yes yes
541-579 T-Mobile EUGENE – yes yes
541-580 AT&T ROSEBURG – – yes
541-581 Bandwidth LOWELL 2015-05-01 yes yes
541-582 Lumen ROGUERIVER – yes yes
541-583 Bandwidth HARRISBURG 2015-05-06 yes yes
541-584 CASCADE UTILITIES, INC. ELKTON – – yes
541-585 Onvoy BEND – – yes
541-586 OREGON-IDAHO UTILITIES, INC. JORDAN VLY – – yes
541-587 CASCADE UTILITIES, INC. SCOTTSBURG – – yes
541-588 Lumen SISTERS – yes yes
541-589 Verizon BURNS – yes yes
541-590 T-Mobile FLORENCE 2009-02-17 yes yes
541-591 Verizon KLAMATHFLS – yes yes
541-592 Ziply Fiber CAVE JCT – yes yes
541-593 Lumen BEND – – yes
541-594 Lumen CRATERLAKE – yes yes
541-595 Lumen BLACKBUTTE – yes yes
541-596 Ziply Fiber O BRIEN – yes yes
541-597 Ziply Fiber SELMA – yes yes
541-598 Lumen BEND – yes yes
541-599 CASCADE UTILITIES, INC. ASH VALLEY – – yes
541-600 NUSO, LLC EUGENE 2012-10-23 yes yes
541-601 AT&T MEDFORD – – yes
541-602 AT&T CORVALLIS – yes yes
541-603 Onvoy EUGENE 2008-06-10 yes yes
541-604 Verizon REDMOND – yes yes
541-605 Charter LA GRANDE 2008-11-19 yes yes
541-606 AT&T EUGENE 2001-06-18 – yes
541-607 Lumen EUGENE – – yes
541-608 Lumen MEDFORD – – yes
541-609 Verizon PHILOMATH – yes yes
541-610 Verizon BEND – yes yes
541-612 Lumen PENDLETON – yes yes
541-613 Verizon MEDFORD 2009-09-14 yes yes
541-614 Charter LINCOLN CY 2008-02-14 yes yes
541-615 WARM SPRINGS TELECOMMUNICATIONS COMPANY - OR MADRAS 2011-07-29 yes yes
541-616 EASTERN OREGON TELECOM, LLC - OR BOARDMAN 2006-02-13 – yes
541-617 Lumen BEND – – yes
541-618 Lumen MEDFORD – – yes
541-619 Verizon ALBANY – – yes
541-620 Verizon JOHN DAY – yes yes
541-621 UNITED STATES CELLULAR - OR MEDFORD – yes yes
541-622 Charter MEDFORD – yes yes
541-623 Onvoy COTTAGEGRV – yes yes
541-624 Ziply Fiber LA GRANDE 2001-09-18 yes yes
541-625 Bandwidth ASHLAND 2015-05-05 yes yes
541-626 Lumen UMATILLA 2006-11-07 yes yes
541-627 Onvoy MITCHELL 2008-09-03 yes yes
541-628 Onvoy JOHN DAY 2008-09-04 yes yes
541-629 PINE TEL. SYSTEM THREE RVS 2010-03-10 – yes
541-630 Verizon CENTRAL PT 2013-01-09 yes yes
541-631 Bandwidth ASHLAND 2012-10-16 yes yes
541-632 ELTOPIA COMMUNICATIONS LLC - OR EUGENE 2010-03-25 yes yes
541-633 Lumen BEND 2006-02-03 yes yes
541-634 Onvoy SPRAY 2008-09-03 yes yes
541-635 Charter TOLEDO 2008-01-09 yes yes
541-636 Lumen EUGENE 2008-02-26 yes yes
541-637 Lumen ROSEBURG 2006-08-23 yes yes
541-638 Bandwidth BLACKBUTTE 2010-05-11 yes yes
541-639 AT&T BEND 2009-03-16 yes yes
541-640 Verizon BEND 2015-09-17 yes yes
541-641 Onvoy YONCALLA 2008-08-28 yes yes
541-642 ALYRICA TELEPHONE LLC DBA NEXT GEN PHONE SYS-OR HALSEY 2018-06-21 – yes
541-643 UNITED STATES CELLULAR - OR ROSEBURG – yes yes
541-644 ELTOPIA COMMUNICATIONS LLC - OR HARRISBURG – yes yes
541-645 Verizon HOOD RIVER 2009-10-23 yes yes
541-646 Allstream MEDFORD 2006-05-15 yes yes
541-647 Verizon BEND 2007-08-27 yes yes
541-648 Lumen SILETZ – yes yes
541-649 AT&T COTTAGEGRV 2009-05-11 yes yes
541-650 T-Mobile EUGENE – yes yes
541-651 Onvoy FOSSIL 2008-09-04 yes yes
541-652 Onvoy BLY 2008-08-28 yes yes
541-653 AT&T EUGENE 2002-03-25 yes yes
541-654 Comcast EUGENE 2005-08-16 yes yes
541-655 Verizon LANGLOIS 2002-08-12 yes yes
541-656 T-Mobile HERMISTON 2009-11-06 yes yes
541-657 TERRA NOVA TELECOM INC. BROWNSVL – yes yes
541-658 Onvoy CRESWELL 2008-01-11 yes yes
541-659 UNITED STATES CELLULAR - OR GRANTSPASS – yes yes
541-660 UNITED STATES CELLULAR - OR GRANTSPASS – yes yes
541-661 AT&T BROOKINGS 2001-02-16 – yes
541-662 AT&T REEDSPORT 2001-02-16 yes yes
541-663 Ziply Fiber LA GRANDE – yes yes
541-664 Lumen CENTRAL PT – – yes
541-665 Lumen CENTRAL PT – yes yes
541-666 T-Mobile ALBANY 2016-01-20 yes yes
541-667 Lumen HERMISTON – yes yes
541-668 Verizon BEND 2014-08-15 yes yes
541-669 Onvoy LINCOLN CY – yes yes
541-670 Verizon ROSEBURG – yes yes
541-671 Verizon ROSEBURG – yes yes
541-672 Lumen ROSEBURG – – yes
541-673 Lumen ROSEBURG – – yes
541-674 AT&T CRESWELL 2015-12-14 yes yes
541-675 Onvoy MADRAS 2016-12-01 yes yes
541-676 Lumen HEPPNER – – yes
541-677 Lumen ROSEBURG – – yes
541-678 Verizon BEND 2006-02-15 yes yes
541-679 Lumen ROSEBURG – – yes
541-680 T-Mobile ROSEBURG – yes yes
541-681 Lumen EUGENE – – yes
541-682 Lumen EUGENE – – yes
541-683 Lumen EUGENE – – yes
541-684 Lumen EUGENE – – yes
541-685 Lumen EUGENE – – yes
541-686 Lumen EUGENE – – yes
541-687 Lumen EUGENE – – yes
541-688 Lumen EUGENE – – yes
541-689 Lumen EUGENE – – yes
541-690 Verizon MEDFORD – yes yes
541-691 Onvoy CANYONVL – – yes
541-692 Onvoy MALIN 2008-09-03 yes yes
541-693 AT&T BEND – yes yes
541-694 Onvoy CHEMULT 2008-09-03 yes yes
541-695 Onvoy WAMIC 2008-09-03 yes yes
541-696 Onvoy CAMAS VLY 2008-09-03 yes yes
541-697 Onvoy HUNTINGTON 2006-10-24 yes yes
541-698 AT&T GOLD BEACH 2002-01-17 yes yes
541-699 AT&T REDMOND 2013-04-23 yes yes
541-701 Charter HERMISTON 2007-05-14 yes yes
541-702 Lumen JACKSONVL – yes yes
541-703 Onvoy UKIAH 2008-09-03 yes yes
541-704 Allstream ALBANY – yes yes
541-705 Lumen THE DALLES 2001-08-17 yes yes
541-706 Verizon BEND 2007-11-05 yes yes
541-707 Verizon REEDSPORT 2002-08-01 yes yes
541-708 Onvoy ASHLAND 2006-09-25 yes yes
541-709 Verizon ONTARIO 2004-09-16 yes yes
541-712 Onvoy BONANZA 2008-09-03 yes yes
541-713 Lumen CORVALLIS – – yes
541-714 Lumen CORVALLIS – yes yes
541-715 Lumen CORVALLIS – – yes
541-716 Lumen HOOD RIVER 2001-08-17 yes yes
541-717 Verizon BAKER 2017-12-11 yes yes
541-719 Lumen SISTERS 2007-05-16 yes yes
541-720 T-Mobile HERMISTON – yes yes
541-721 Onvoy MONUMENT 2008-09-03 yes yes
541-722 Onvoy SO HARNEY 2008-09-03 yes yes
541-723 Lumen MALIN – yes yes
541-724 OREGON-IDAHO UTILITIES, INC. ADRIAN – – yes
541-725 Lumen MAPLETON 2006-12-21 yes yes
541-726 Lumen EUGENE – – yes
541-727 Lumen CENTRAL PT 2006-08-08 yes yes
541-728 Lumen BEND 2007-04-30 yes yes
541-729 Verizon EUGENE – – yes
541-730 T-Mobile ALBANY – yes yes
541-731 T-Mobile EUGENE – yes yes
541-732 Lumen MEDFORD – – yes
541-733 UNITED STATES CELLULAR - OR ROSEBURG – yes yes
541-734 Lumen MEDFORD – – yes
541-735 Allstream EUGENE 2013-08-22 yes yes
541-736 Lumen EUGENE – yes yes
541-737 Lumen CORVALLIS – – yes
541-738 Lumen CORVALLIS – – yes
541-739 Lumen RUFUS – yes yes
541-740 AT&T CORVALLIS – – yes
541-741 Lumen EUGENE – – yes
541-742 PINE TEL. SYSTEM HALFWAY – – yes
541-743 Allstream EUGENE – yes yes
541-744 Lumen EUGENE – – yes
541-745 Lumen CORVALLIS – yes yes
541-746 Lumen EUGENE – – yes
541-747 Lumen EUGENE – – yes
541-748 Onvoy PAULINA 2008-09-03 yes yes
541-749 Allstream BEND – yes yes
541-750 Lumen CORVALLIS – – yes
541-751 Ziply Fiber COOS BAY – yes yes
541-752 Lumen CORVALLIS – – yes
541-753 Lumen CORVALLIS – – yes
541-754 Lumen CORVALLIS – – yes
541-755 PINE TEL. SYSTEM SUMPTER – – yes
541-756 Ziply Fiber COOS BAY – – yes
541-757 Lumen CORVALLIS – – yes
541-758 Lumen CORVALLIS – – yes
541-759 Ziply Fiber LAKESIDE – yes yes
541-760 Verizon CORVALLIS – – yes
541-761 UNITED STATES CELLULAR - OR GRANTSPASS – yes yes
541-762 Onvoy EUGENE – – yes
541-763 Lumen FOSSIL – yes yes
541-764 Lumen DEPOE BAY – yes yes
541-765 Lumen DEPOE BAY – yes yes
541-766 Lumen CORVALLIS – – yes
541-767 Lumen COTTAGEGRV – yes yes
541-768 Lumen CORVALLIS – – yes
541-769 Charter THE DALLES 2008-02-14 yes yes
541-770 Lumen MEDFORD – – yes
541-771 UNITED STATES CELLULAR - OR BEND – yes yes
541-772 Lumen MEDFORD – – yes
541-773 Lumen MEDFORD – – yes
541-774 Lumen MEDFORD – – yes
541-775 Telnyx WALLOWA 2026-10-27 yes no
541-776 Lumen MEDFORD – – yes
541-777 T-Mobile MADRAS – yes yes
541-778 AT&T MEDFORD – yes yes
541-779 Lumen MEDFORD – – yes
541-780 Onvoy EUGENE 2015-12-08 yes yes
541-781 Onvoy NO HARNEY 2008-09-03 yes yes
541-782 Lumen OAKRIDGE – yes yes
541-783 Lumen CHILOQUIN – yes yes
541-784 Lumen ROSEBURG – yes yes
541-785 PINE TEL. SYSTEM OXBOW – – yes
541-786 Verizon LA GRANDE – yes yes
541-787 UNITED STATES CELLULAR - OR GRANTSPASS – yes yes
541-788 T-Mobile BEND – yes yes
541-789 Lumen MEDFORD 2004-09-28 yes yes
541-790 Onvoy EUGENE 2008-09-17 yes yes
541-791 Lumen ALBANY – yes yes
541-792 UNITED STATES CELLULAR - OR JOHN DAY 2005-06-20 yes yes
541-793 Lumen DIAMOND LK – yes yes
541-794 Onvoy NO POWDER 2008-09-04 yes yes
541-795 Onvoy HEPPNER 2008-09-04 yes yes
541-796 Onvoy HUNTINGTON 2008-09-04 yes yes
541-797 Bandwidth BEND 2014-11-06 yes yes
541-798 Lumen MERRILL – – yes
541-799 Bandwidth EUGENE 2015-04-24 yes yes
541-800 Peerless STANFIELD 2014-09-23 yes yes
541-801 T-Mobile ALBANY 2014-08-29 yes yes
541-802 Charter OAKLAND 2012-09-20 yes yes
541-803 Onvoy CULVER 2007-03-13 yes yes
541-804 Onvoy DRAIN 2008-09-02 yes yes
541-805 Verizon LA GRANDE 2005-09-07 yes yes
541-806 UNITED STATES CELLULAR - OR HOOD RIVER – yes yes
541-807 AT&T UNION 2015-03-16 yes yes
541-808 Charter COOS BAY 2008-04-15 yes yes
541-809 Onvoy MILTONFWTR 2014-06-25 yes yes
541-810 UNITED STATES CELLULAR - OR KLAMATHFLS – yes yes
541-812 Lumen ALBANY – – yes
541-813 T-Mobile BROOKINGS 2005-09-01 yes yes
541-814 Spok MEDFORD – – yes
541-815 UNITED STATES CELLULAR - OR BEND – yes yes
541-816 Verizon MEDFORD 2013-01-29 yes yes
541-817 Lumen ROSEBURG 2002-10-16 yes yes
541-818 Comcast SWEET HOME 2006-03-31 yes yes
541-819 Bandwidth NEWPORT – yes yes
541-820 OREGON TEL. CORP. PRAIRIE CY – – yes
541-821 UNITED STATES CELLULAR - OR MEDFORD – yes yes
541-822 Lumen BLUE RIVER – – yes
541-823 Lumen ONTARIO – yes yes
541-824 Onvoy COQUILLE – yes yes
541-825 Ziply Fiber DAYS CREEK – yes yes
541-826 Lumen WHITE CITY – – yes
541-827 Onvoy CHILOQUIN 2008-09-02 yes yes
541-828 ASOTIN TEL CO FLORA TROY – yes yes
541-829 T-Mobile CORVALLIS – yes yes
541-830 Lumen WHITE CITY – – yes
541-831 Lumen WHITE CITY – – yes
541-832 Ziply Fiber GLENDALE – yes yes
541-833 Onvoy VENETA 2006-09-25 yes yes
541-834 Onvoy PINE GROVE 2008-09-03 yes yes
541-835 Onvoy FT KLAMATH 2008-09-02 yes yes
541-836 Lumen DRAIN – – yes
541-837 Ziply Fiber AZALEA – yes yes
541-838 Bandwidth PROVOTMPHY 2015-04-09 yes yes
541-839 Ziply Fiber CANYONVL – yes yes
541-840 AT&T MEDFORD – – yes
541-841 Verizon MEDFORD 2015-03-16 yes yes
541-842 Allstream MEDFORD – yes yes
541-843 Verizon JACKSONVL 2014-02-06 yes yes
541-844 Onvoy EUGENE 2006-03-13 yes yes
541-845 Onvoy MERRILL 2008-08-28 yes yes
541-846 Ziply Fiber PROVOTMPHY – yes yes
541-847 MONROE TEL. CO. MONROE – – yes
541-848 T-Mobile BEND 2006-01-25 yes yes
541-849 Lumen YONCALLA – – yes
541-850 Lumen KLAMATHFLS – – yes
541-851 Lumen KLAMATHFLS – yes yes
541-852 Verizon EUGENE 2008-02-19 yes yes
541-853 CASCADE UTILITIES, INC. MEDICALSPG – – yes
541-854 Onvoy BLUE RIVER 2007-03-13 yes yes
541-855 Lumen GOLD HILL – yes yes
541-856 CASCADE UTILITIES, INC. HAINES – – yes
541-857 Lumen MEDFORD – – yes
541-858 Lumen MEDFORD – – yes
541-859 Onvoy ROCKYPOINT 2008-08-28 yes yes
541-860 Ziply Fiber MYRTLE CRK – yes yes
541-861 T-Mobile MILTONFWTR – yes yes
541-862 Ziply Fiber PROVOTMPHY – yes yes
541-863 Ziply Fiber MYRTLE CRK – yes yes
541-864 Lumen MEDFORD – yes yes
541-865 Lumen BUTTEFALLS – yes yes
541-866 Ziply Fiber WOLF CREEK – yes yes
541-867 PIONEER TEL. COOPERATIVE SOUTHBEACH – – yes
541-868 Allstream EUGENE – yes yes
541-869 Lumen HUNTINGTON – – yes
541-870 T-Mobile EUGENE – yes yes
541-871 Onvoy SPRAGUERIV 2008-08-28 yes yes
541-872 Onvoy GLIDE 2008-08-28 yes yes
541-873 Onvoy SENECA 2008-09-03 yes yes
541-874 Ziply Fiber RIDDLE – yes yes
541-875 PIONEER TEL. COOPERATIVE CHITWOOD – – yes
541-876 Onvoy LAPINE 2006-09-25 yes yes
541-877 Lumen DURKEE – – yes
541-878 Lumen SHADY COVE – yes yes
541-879 Charter WHITE CITY 2007-05-14 yes yes
541-880 Lumen KLAMATHFLS – yes yes
541-881 Lumen ONTARIO – – yes
541-882 Lumen KLAMATHFLS – – yes
541-883 Lumen KLAMATHFLS – – yes
541-884 Lumen KLAMATHFLS – – yes
541-885 Lumen KLAMATHFLS – – yes
541-886 Ziply Fiber WALLOWA – yes yes
541-887 CAL-ORE COMMUNICATIONS, INC. - OR KLAMATHFLS 2004-10-13 yes yes
541-888 Ziply Fiber COOS BAY – – yes
541-889 Lumen ONTARIO – – yes
541-890 UNITED STATES CELLULAR - OR MEDFORD – yes yes
541-891 Verizon KLAMATHFLS – – yes
541-892 UNITED STATES CELLULAR - OR KLAMATHFLS – yes yes
541-893 EAGLE TEL. SYSTEM, INC. RICHLAND – – yes
541-894 Lumen SUMPTER – yes yes
541-895 Lumen CRESWELL – – yes
541-896 Lumen LEABURG – yes yes
541-897 Charter PHOENIX 2007-04-26 yes yes
541-898 Lumen NO POWDER – – yes
541-899 Lumen JACKSONVL – – yes
541-900 Verizon ROSEBURG 2015-03-13 yes yes
541-901 Lumen FLORENCE 2013-08-27 yes yes
541-902 Lumen FLORENCE – yes yes
541-903 Verizon PRINEVILLE 2013-04-10 yes yes
541-904 Verizon SISTERS 2013-12-03 yes yes
541-905 T-Mobile ALBANY – yes yes
541-906 Onvoy PAISLEY 2008-08-28 yes yes
541-907 Verizon LAPINE 2013-12-03 yes yes
541-908 T-Mobile CORVALLIS – yes yes
541-909 Onvoy NO UMPQUA 2008-08-28 yes yes
541-910 UNITED STATES CELLULAR - OR LA GRANDE – yes yes
541-912 AT&T EUGENE – – yes
541-913 AT&T EUGENE – – yes
541-914 AT&T EUGENE – – yes
541-915 AT&T EUGENE – – yes
541-916 AT&T GRANTSPASS 2015-12-16 yes yes
541-917 Lumen ALBANY – – yes
541-918 Lumen ALBANY – yes yes
541-919 Lumen ATHENA 2014-01-27 yes yes
541-920 Verizon VALE 2013-12-24 yes yes
541-921 Verizon LINCOLN CY – yes yes
541-922 Lumen UMATILLA – yes yes
541-923 Lumen REDMOND – – yes
541-924 Lumen ALBANY – – yes
541-925 PIONEER TEL. COOPERATIVE HORTON – – yes
541-926 Lumen ALBANY – – yes
541-927 PIONEER TEL. COOPERATIVE TRIANGLELK – – yes
541-928 Lumen ALBANY – – yes
541-929 PIONEER TEL. COOPERATIVE PHILOMATH – – yes
541-930 T-Mobile MEDFORD 2014-10-16 yes yes
541-931 Onvoy GILCHRIST 2008-09-04 yes yes
541-932 OREGON TEL. CORP. MT VERNON – – yes
541-933 Lumen MARCOLA – yes yes
541-934 Lumen MONUMENT – – yes
541-935 Lumen VENETA – – yes
541-936 T-Mobile ALBANY – yes yes
541-937 Lumen LOWELL – yes yes
541-938 Lumen MILTONFWTR – – yes
541-939 Onvoy LONG CREEK 2008-09-04 yes yes
541-940 Onvoy LEXINGTON 2008-09-04 yes yes
541-941 AT&T MEDFORD – – yes
541-942 Lumen COTTAGEGRV – – yes
541-943 Lumen PAISLEY – yes yes
541-944 AT&T MEDFORD – – yes
541-945 Onvoy BOARDMAN 2008-09-04 yes yes
541-946 Lumen COTTAGEGRV – yes yes
541-947 Lumen LAKEVIEW – yes yes
541-948 T-Mobile BEND – yes yes
541-949 Lumen FISH LAKE – yes yes
541-951 UNITED STATES CELLULAR - OR MEDFORD – yes yes
541-952 Lumen JUNCTIONCY – yes yes
541-953 AT&T EUGENE – – yes
541-954 AT&T EUGENE – – yes
541-955 Lumen GRANTSPASS – – yes
541-956 Lumen GRANTSPASS – yes yes
541-957 Lumen ROSEBURG – – yes
541-960 Onvoy ELGIN 2007-05-30 yes yes
541-961 Verizon NEWPORT – yes yes
541-962 Ziply Fiber LA GRANDE – yes yes
541-963 Ziply Fiber LA GRANDE – – yes
541-964 PIONEER TEL. COOPERATIVE TRIANGLELK – – yes
541-965 AT&T THE DALLES – yes yes
541-966 Lumen PENDLETON – yes yes
541-967 Lumen ALBANY – – yes
541-968 AT&T EUGENE – yes yes
541-969 Verizon PENDLETON – yes yes
541-970 UNITED STATES CELLULAR - OR PENDLETON – yes yes
541-971 AT&T ALBANY – yes yes
541-972 Onvoy EUGENE 2014-03-04 yes yes
541-973 UNITED STATES CELLULAR - OR MEDFORD – yes yes
541-974 AT&T ALBANY – yes yes
541-975 Ziply Fiber LA GRANDE – yes yes
541-977 UNITED STATES CELLULAR - OR BEND – yes yes
541-978 UNITED STATES CELLULAR - OR THE DALLES – yes yes
541-979 AT&T ALBANY – – yes
541-980 AT&T THE DALLES – – yes
541-981 T-Mobile ALBANY – yes yes
541-982 UNITED STATES CELLULAR - OR COOS BAY – yes yes
541-983 HELIX TEL. CO. MEACHAM – – yes
541-984 Lumen EUGENE – – yes
541-985 Onvoy TYGHVALLEY 2008-09-04 yes yes
541-986 Telnyx TOLEDO 2026-10-27 yes no
541-987 OREGON TEL. CORP. DAYVILLE – – yes
541-988 Lumen EUGENE – – yes
541-989 Lumen LEXINGTON – – yes
541-990 Verizon ALBANY – – yes
541-991 AT&T FLORENCE – yes yes
541-992 AT&T LINCOLN CY – yes yes
541-993 UNITED STATES CELLULAR - OR THE DALLES – yes yes
541-994 Lumen LINCOLN CY – – yes
541-995 Lumen HARRISBURG – yes yes
541-996 Lumen LINCOLN CY – – yes
541-997 Lumen FLORENCE – – yes
541-998 Lumen JUNCTIONCY – – yes
541-999 Verizon FLORENCE – yes yes

Frequently asked

How many prefixes does area code 541 have?

783 NXX blocks are assigned of 786 possible. Each block is 10,000 consecutive numbers, so the code currently covers about 7,830 thousand-number ranges across 191 rate centers.

What do the first three digits after 541 tell me?

They identify the block, which tells you the rate center it was allocated to and the carrier that received it. They do not tell you who serves the number today: portability moves numbers between carriers, and pooling splits a block between several of them.

Is a 541 prefix tied to a specific town?

To a rate center, which is billing geography rather than a town. NANPA abbreviates rate center names to ten characters and in large metros uses zone codes, so the name is a NANPA label, not a place name.

What does “pooled” mean in the 541 table?

That the block is in thousands-block pooling: carriers draw 1,000-number lots from it instead of taking all 10,000. 510 of 541's blocks are pooled, which is how regulators slowed down area code exhaustion – and why one prefix can belong to several carriers.

Source and limits

NANPA CO Code Assignment Records, all states, utilized codes, file updated 11/01/2026 – the rows where the record's Use field is “AS” (assigned). Unavailable codes are excluded. The records say who received a block and when, not who serves a particular number today.

More about this code: overview · carriers · spam complaints · local time