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

Area code 501 prefixes

631 of the 786 possible NXX blocks are assigned in area code 501 (80.3% of capacity), spread across 61 rate centers and 46 holders. The largest holders are SOUTHWESTERN BELL (159 blocks, 25.2%), NEW CINGULAR WIRELESS PCS, LLC - IL (86 blocks, 13.6%), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR (54 blocks, 8.6%). Grouped by brand, AT&T accounts for 255 blocks; brand-attributable holders cover 93% 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 2001-01-18 to 2026-10-21, with 26 blocks handed out in 2002 alone. 478 blocks (76%) 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. 3 assigned blocks (598, 608, 616) are not yet in service: assigned to a carrier but not open for calls, so a caller ID from one is spoofed. 142 were growth assignments – additional blocks to a carrier that had already filled its earlier ones.

631 assigned blocks of 786
61 rate centers
46 holders of record
76% in thousands-block pooling

Largest holders in 501

Holder of record, as NANPA names itBrandBlocksShare
SOUTHWESTERN BELL AT&T 159 25.2%
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 86 13.6%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR Verizon 54 8.6%
LEVEL 3 COMMUNICATIONS, LLC - AR Lumen 48 7.6%
T-MOBILE USA, INC. T-Mobile 42 6.7%
ONVOY, LLC - AR Onvoy 41 6.5%
WINDSTREAM COMMUNICATIONS, INC. - AR Windstream 34 5.4%
WINDSTREAM ARKANSAS, INC. Windstream 20 3.2%
BRIGHTSPEED OF CENTRAL ARKANSAS, LLC Brightspeed 18 2.9%
LEVEL 3 TELECOM OF ARKANSAS, LLC - AR Lumen 12 1.9%
BANDWIDTH.COM CLEC, LLC - AR Bandwidth 11 1.7%
AMERICAN MESSAGING SERVICES, LLC American Messaging 10 1.6%

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 631 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
501-200 AT&T REDFIELD 2002-10-17 yes yes
501-201 AT&T BRADFORD 2002-10-17 – yes
501-202 AT&T LITTLEROCK – – yes
501-203 Verizon SEARCY 2002-11-20 yes yes
501-204 T-Mobile JESSIEVL 2002-11-22 yes yes
501-205 Lumen CONWAY 2002-12-23 yes yes
501-206 AT&T HEBER SPG – yes yes
501-207 AT&T SEARCY – yes yes
501-208 AT&T MORRILTON – yes yes
501-209 Verizon JESSIEVL 2003-03-10 yes yes
501-210 AT&T LITTLEROCK – yes yes
501-212 AT&T LITTLEROCK – – yes
501-213 AT&T BRYANTCGVL 2003-03-12 yes yes
501-214 AT&T LITTLEROCK 2017-07-19 yes yes
501-215 AT&T MORRILTON 2003-04-28 yes yes
501-216 T-Mobile LITTLEROCK 2011-08-25 yes yes
501-217 AT&T LITTLEROCK – – yes
501-218 AT&T LITTLEROCK – yes yes
501-219 AT&T LITTLEROCK – – yes
501-220 Windstream LITTLEROCK – – yes
501-221 AT&T LITTLEROCK – – yes
501-222 Windstream WRIGHTSVL – yes yes
501-223 AT&T LITTLEROCK – yes yes
501-224 AT&T LITTLEROCK – – yes
501-225 AT&T LITTLEROCK – – yes
501-226 CSC VOICE, LLC JESSIEVL – yes yes
501-227 AT&T LITTLEROCK – yes yes
501-228 AT&T LITTLEROCK – – yes
501-229 Lumen MALVERN 2003-03-18 yes yes
501-230 AT&T SEARCY – yes yes
501-231 AT&T LITTLEROCK – – yes
501-232 Lumen BEEBE 2004-04-29 yes yes
501-233 ARKWEST COMMUNICATIONS, INC. CASA – – yes
501-234 Windstream LITTLEROCK 2011-07-06 yes yes
501-235 AT&T LITTLEROCK – yes yes
501-236 T-Mobile SEARCY 2017-08-11 yes yes
501-237 T-Mobile LONOKE 2011-05-06 yes yes
501-238 Verizon GREERSFRRY 2003-04-23 yes yes
501-239 Verizon BEEBE 2003-04-23 yes yes
501-240 T-Mobile LITTLEROCK – yes yes
501-241 Brightspeed JACKSONVL – yes yes
501-242 Lumen MORRILTON 2002-06-19 yes yes
501-243 T-Mobile LITTLEROCK 2011-06-02 yes yes
501-244 AT&T LITTLEROCK – yes yes
501-245 American Messaging LITTLEROCK – – yes
501-246 Comcast LITTLEROCK 2004-09-28 yes yes
501-247 T-Mobile LITTLEROCK – yes yes
501-248 T-Mobile LITTLEROCK 2011-09-22 yes yes
501-249 AT&T BENTON – yes yes
501-250 AT&T HEBER SPG – yes yes
501-251 AT&T LITTLEROCK 2007-03-08 yes yes
501-252 Windstream LITTLEROCK – – yes
501-253 AT&T CLINTON 2004-06-01 yes yes
501-254 AT&T SEARCY 2015-06-30 yes yes
501-255 Lumen LITTLEROCK – yes yes
501-256 T-Mobile LITTLEROCK – yes yes
501-257 AT&T LITTLEROCK – yes yes
501-258 AT&T LITTLEROCK – – yes
501-259 AT&T CABOT – yes yes
501-260 T-Mobile LITTLEROCK – yes yes
501-261 AT&T SPRINGLAKE – yes yes
501-262 AT&T HOTSPRINGS – yes yes
501-263 Vonage LITTLEROCK 2017-12-18 yes yes
501-264 T-Mobile LITTLEROCK 2011-10-14 yes yes
501-265 AT&T LITTLEROCK – yes yes
501-266 Verizon LONOKE 2003-04-29 yes yes
501-267 T-Mobile MALVERN 2011-10-10 yes yes
501-268 AT&T SEARCY – – yes
501-269 AT&T CONWAY – – yes
501-270 Verizon HEBER SPG 2002-04-08 yes yes
501-271 AT&T PALARM 2018-01-15 yes yes
501-272 T-Mobile LITTLEROCK 2011-06-22 yes yes
501-273 T-Mobile CONWAY 2018-03-21 yes yes
501-274 Telnyx LITTLEROCK 2018-07-24 yes yes
501-275 Brightspeed COY – – yes
501-276 AT&T HOTSPRINGS – – yes
501-277 T-Mobile GREENBRIER 2002-12-31 yes yes
501-278 AT&T SEARCY – yes yes
501-279 AT&T SEARCY – – yes
501-280 AT&T LITTLEROCK – – yes
501-281 AT&T SEARCY – – yes
501-282 AT&T HOTSPRINGS – – yes
501-283 AT&T BALD KNOB 2002-10-16 yes yes
501-284 AT&T JUDSONIA 2002-10-16 yes yes
501-285 AT&T ENGLAND 2002-10-16 yes yes
501-286 AT&T CABOT 2008-12-22 yes yes
501-287 Windstream GREENBRIER 2008-03-27 yes yes
501-288 AT&T BEEBE 2003-08-05 yes yes
501-289 Verizon MORRILTON 2005-07-14 yes yes
501-290 T-Mobile SEARCY 2018-08-23 yes yes
501-291 Bandwidth LITTLEROCK 2008-07-15 yes yes
501-292 Onvoy BALD KNOB – yes yes
501-293 T-Mobile HOTSPRINGS 2017-03-06 yes yes
501-294 AT&T MORGANTON 2010-01-08 yes yes
501-295 Onvoy LITTLEROCK 2008-10-31 yes yes
501-296 AT&T LITTLEROCK – – yes
501-297 Verizon LITTLEROCK – yes yes
501-298 AT&T SPRINGLAKE 2019-02-12 yes yes
501-299 Lumen KENSETT – yes yes
501-300 Onvoy BRADFORD 2018-09-21 yes yes
501-301 AT&T LITTLEROCK – yes yes
501-302 AT&T HEBER SPG 2010-01-18 yes yes
501-303 AT&T BENTON – yes yes
501-304 Verizon MALVERN 2002-04-08 yes yes
501-305 AT&T SEARCY – yes yes
501-306 AT&T QUITMAN 2009-11-18 yes yes
501-307 Onvoy LITTLEROCK – yes yes
501-308 T-Mobile LITTLEROCK 2011-10-06 yes yes
501-309 Charter LITTLEROCK – yes yes
501-310 T-Mobile LITTLEROCK – yes yes
501-312 AT&T LITTLEROCK – – yes
501-313 Comcast LITTLEROCK 2011-10-20 yes yes
501-314 AT&T GREENBRIER 2008-07-18 yes yes
501-315 AT&T BENTON – yes yes
501-316 AT&T BENTON – yes yes
501-317 AT&T BENTON – yes yes
501-318 AT&T HOTSPRINGS – yes yes
501-319 AT&T LITTLEROCK – yes yes
501-320 Windstream LITTLEROCK – – yes
501-321 AT&T HOTSPRINGS – – yes
501-322 Verizon KENSETT 2006-06-15 yes yes
501-323 Brightspeed GRIFFITHVL – yes yes
501-324 AT&T LITTLEROCK – – yes
501-325 Lumen LITTLEROCK – yes yes
501-326 Verizon BENTON 2002-04-08 yes yes
501-327 AT&T CONWAY – – yes
501-328 AT&T CONWAY – yes yes
501-329 AT&T CONWAY – – yes
501-330 Windstream WYE – yes yes
501-331 Windstream PERRYVILLE 2011-11-14 yes yes
501-332 AT&T MALVERN – – yes
501-333 Windstream MAUMELLE – yes yes
501-334 American Messaging SEARCY – – yes
501-335 Windstream DAMASCUS – yes yes
501-336 AT&T CONWAY – – yes
501-337 AT&T MALVERN – yes yes
501-338 Lumen BISMARCK 2019-03-28 yes yes
501-339 AT&T CONWAY 2001-05-08 yes yes
501-340 AT&T LITTLEROCK – yes yes
501-342 AT&T CONWAY – – yes
501-343 Charter LITTLEROCK – yes yes
501-344 Brightspeed BRADFORD – yes yes
501-345 Brightspeed PLEASANTPL – yes yes
501-346 T-Mobile LITTLEROCK – yes yes
501-347 Charter LITTLEROCK – yes yes
501-348 T-Mobile LITTLEROCK – yes yes
501-349 T-Mobile LITTLEROCK – yes yes
501-350 Verizon LITTLEROCK – – yes
501-351 Verizon LITTLEROCK – – yes
501-352 AT&T LITTLEROCK – – yes
501-353 Comcast LITTLEROCK 2005-10-27 yes yes
501-354 AT&T MORRILTON – – yes
501-355 Lumen LITTLEROCK – yes yes
501-356 CSC WIRELESS, LLC JESSIEVL 2019-03-28 yes yes
501-357 Lumen DONALDSON 2019-03-28 yes yes
501-358 Lumen CONWAY – yes yes
501-359 E. RITTER COMMUNICATIONS, LLC HOTSPRINGS – yes yes
501-360 American Messaging LITTLEROCK – – yes
501-361 AT&T BRYANTCGVL 2019-06-11 yes yes
501-362 AT&T HEBER SPG – – yes
501-363 AT&T HOTSPRINGS 2019-06-12 yes yes
501-364 Windstream LITTLEROCK – – yes
501-365 AT&T HEBER SPG 2001-05-08 yes yes
501-366 Verizon LITTLEROCK 2005-03-17 yes yes
501-367 Windstream PINNACLE – yes yes
501-368 AT&T SEARCY – yes yes
501-369 EXIANT COMMUNICATIONS LLC LITTLEROCK 2019-08-05 yes yes
501-370 AT&T LITTLEROCK – – yes
501-371 AT&T LITTLEROCK – – yes
501-372 AT&T LITTLEROCK – – yes
501-373 AT&T LITTLEROCK – – yes
501-374 AT&T LITTLEROCK – – yes
501-375 AT&T LITTLEROCK – yes yes
501-376 AT&T LITTLEROCK – – yes
501-377 AT&T LITTLEROCK – yes yes
501-378 AT&T LITTLEROCK – – yes
501-379 AT&T LITTLEROCK – yes yes
501-380 AT&T SEARCY – yes yes
501-381 Verizon BENTON 2019-09-18 yes yes
501-382 Onvoy LONSDALE 2019-10-14 yes yes
501-383 Bandwidth SEARCY 2024-10-16 yes yes
501-384 CENTRAL ARKANSAS TEL. COOP., INC. DONALDSON – – yes
501-385 AT&T HOTSPRINGS 2020-01-24 yes yes
501-386 Lumen CENTER RDG 2001-05-08 yes yes
501-387 Bandwidth BEEBE 2020-01-30 yes yes
501-388 Verizon SEARCY 2005-12-14 yes yes
501-389 Bandwidth SEARCY 2020-01-30 yes yes
501-390 American Messaging LITTLEROCK – – yes
501-391 Windstream PERRYVILLE 2001-06-25 yes yes
501-392 Windstream SYVNHLSHWD – yes yes
501-393 Bandwidth PANGBURN 2020-02-21 yes yes
501-394 AT&T CABOT 2020-03-24 yes yes
501-395 American Messaging LITTLEROCK – – yes
501-396 AT&T LITTLEROCK – yes yes
501-397 Brightspeed REDFIELD – yes yes
501-398 AT&T LITTLEROCK 2002-02-15 – yes
501-399 AT&T LITTLEROCK – yes yes
501-400 Windstream LITTLEROCK 2011-03-24 yes yes
501-401 Vonage LITTLEROCK – yes yes
501-402 Windstream GREENBRIER 2011-11-14 yes yes
501-403 T-Mobile BENTON 2020-03-31 yes yes
501-404 NUSO, LLC LITTLEROCK 2012-11-01 yes yes
501-405 American Messaging LITTLEROCK – – yes
501-406 AIRUS, INC. - AR LITTLEROCK 2015-09-17 yes yes
501-407 AT&T LITTLEROCK – yes yes
501-408 Lumen BENTON 2012-04-17 yes yes
501-409 T-Mobile BENTON 2020-03-31 yes yes
501-410 AT&T LITTLEROCK 2008-01-28 yes yes
501-412 AT&T LITTLEROCK – – yes
501-413 AT&T LITTLEROCK – yes yes
501-414 Comcast LITTLEROCK 2007-09-14 yes yes
501-415 T-Mobile LONOKE 2014-03-28 yes yes
501-416 AT&T LITTLEROCK – – yes
501-417 Lumen JUDSONIA 2015-06-24 yes yes
501-418 AT&T HOTSPRINGS 2020-04-08 yes yes
501-419 Lumen ROSE BUD 2015-01-21 yes yes
501-420 T-Mobile LITTLEROCK 2012-11-01 yes yes
501-421 Lumen LITTLEROCK – – yes
501-422 Verizon CABOT 2010-02-16 yes yes
501-423 Lumen LITTLEROCK – – yes
501-424 AT&T CABOT 2016-03-28 yes yes
501-425 AT&T LITTLEROCK – – yes
501-426 Verizon CONWAY 2020-04-27 yes yes
501-427 AT&T MAUMELLE 2020-06-15 yes yes
501-428 Verizon CONWAY 2002-04-09 yes yes
501-429 Lumen HEBER SPG 2002-05-06 yes yes
501-430 Verizon BENTON 2020-06-24 yes yes
501-431 AT&T HOTSPRINGS 2020-07-08 yes yes
501-432 Windstream NIMROD – yes yes
501-433 AT&T LITTLEROCK – – yes
501-434 Verizon MCRAE 2005-12-30 yes yes
501-435 T-Mobile LITTLEROCK 2016-08-18 yes yes
501-436 Lumen SYVNHLSHWD 2002-05-06 yes yes
501-437 Bandwidth LONOKE 2020-07-15 yes yes
501-438 Lumen LONOKE 2002-05-06 yes yes
501-439 Verizon ENGLAND 2020-09-03 yes yes
501-440 Windstream SO FOURCHE – yes yes
501-441 NUSO, LLC LITTLEROCK 2020-09-17 yes yes
501-442 T-Mobile LITTLEROCK 2004-01-27 yes yes
501-443 T-Mobile BENTON 2016-08-18 yes yes
501-444 T-Mobile LITTLEROCK 2011-08-02 yes yes
501-445 AT&T HOTSPRINGS 2020-10-05 yes yes
501-446 Comcast CABOT 2021-09-08 yes yes
501-447 Windstream LITTLEROCK 2001-12-05 – yes
501-448 Windstream FERNDALE – yes yes
501-449 T-Mobile CABOT 2021-01-13 yes yes
501-450 AT&T CONWAY – – yes
501-451 IP HORIZON LLC LITTLEROCK 2021-03-04 yes yes
501-452 STRATUS NETWORKS MORRILTON 2021-03-16 yes yes
501-453 E. RITTER COMMUNICATIONS, LLC JACKSONVL 2021-05-20 yes yes
501-454 AT&T LITTLEROCK – – yes
501-455 AT&T LITTLEROCK – yes yes
501-456 Lumen JUDSONIA 2006-05-23 yes yes
501-457 Windstream JACKSONVL – yes yes
501-458 Lumen MALVERN 2002-05-13 yes yes
501-459 STRATUS NETWORKS CONWAY 2021-06-02 yes yes
501-460 Onvoy GREENBRIER 2021-07-14 yes yes
501-461 Charter BAUXITE 2021-06-07 yes yes
501-462 Onvoy SEARCY 2021-06-04 yes yes
501-463 Lumen HOTSPRINGS – yes yes
501-464 Onvoy BALD KNOB 2021-01-11 yes yes
501-465 American Messaging CONWAY – – yes
501-466 Onvoy COY 2020-11-20 yes yes
501-467 AT&T MALVERN – yes yes
501-468 Onvoy CLEVELAND 2021-06-23 yes yes
501-469 Charter BIGELOW – yes yes
501-470 AT&T CONWAY – yes yes
501-471 AT&T FERNDALE 2021-10-04 yes yes
501-472 AT&T CONWAY – – yes
501-473 T-Mobile SEARCY 2001-08-20 yes yes
501-474 Onvoy MCRAE 2020-11-20 yes yes
501-475 Windstream SPRINGLAKE – yes yes
501-476 Onvoy LITTLEROCK 2008-01-03 yes yes
501-477 AT&T MORRILTON – yes yes
501-478 AT&T LITTLEROCK 2015-02-26 yes yes
501-480 NUSO, LLC LITTLEROCK 2022-09-21 yes yes
501-481 Lumen BRYANTCGVL – yes yes
501-482 Lumen FERNDALE – yes yes
501-483 Lumen PALARM – yes yes
501-484 Onvoy SPRINGLAKE 2021-06-23 yes yes
501-485 Lumen PINNACLE – yes yes
501-486 Lumen SPRINGLAKE – yes yes
501-487 Lumen SYVNHLSHWD – yes yes
501-488 Charter BRADFORD 2021-06-07 yes yes
501-489 T-Mobile MALVERN 2021-10-11 yes yes
501-490 AT&T LITTLEROCK – yes yes
501-491 Bandwidth BEEBE 2021-11-09 yes yes
501-492 AT&T LITTLEROCK – yes yes
501-493 Onvoy CRYSTALSPG 2021-06-23 yes yes
501-494 Onvoy JESSIEVL 2021-06-23 yes yes
501-495 Onvoy LONSDALE 2021-06-23 yes yes
501-496 Onvoy REDFIELD 2021-07-02 yes yes
501-497 Onvoy CONWAY 2021-10-04 yes yes
501-498 Dish LITTLEROCK 2021-12-08 yes yes
501-499 AT&T CONWAY 2002-06-20 yes yes
501-500 Onvoy LITTLEROCK 2017-09-28 yes yes
501-501 Onvoy HOTSPRINGS 2022-09-27 yes yes
501-502 T-Mobile LITTLEROCK 2014-08-20 yes yes
501-503 Bandwidth LITTLEROCK 2014-08-07 yes yes
501-504 AT&T CONWAY – yes yes
501-505 AT&T CONWAY – yes yes
501-506 Onvoy GRIFFITHVL 2018-09-21 yes yes
501-507 T-Mobile BENTON 2014-03-19 yes yes
501-508 Lumen LITTLEROCK 2014-08-12 yes yes
501-509 Lumen COY 2015-01-13 yes yes
501-510 T-Mobile LONOKE 2014-12-10 yes yes
501-512 Charter BRYANTCGVL 2021-06-07 yes yes
501-513 AT&T CONWAY – yes yes
501-514 Verizon CONWAY – yes yes
501-515 AT&T LITTLEROCK – yes yes
501-516 Verizon LITTLEROCK – – yes
501-517 Verizon LITTLEROCK – – yes
501-518 Bandwidth DAMASCUS 2022-01-05 yes yes
501-519 Verizon LITTLEROCK – – yes
501-520 AT&T HOTSPRINGS – yes yes
501-521 Onvoy HOTSPRINGS 2020-10-02 yes yes
501-522 Onvoy BENTON 2021-07-15 yes yes
501-523 Windstream SCOTT – yes yes
501-524 Dish VILONIA 2022-01-12 yes yes
501-525 AT&T HOTSPRINGS – – yes
501-526 Windstream LITTLEROCK – – yes
501-527 Windstream LITTLEROCK 2022-09-21 yes yes
501-528 Verizon MALVERN 2022-10-03 yes yes
501-529 Verizon LITTLEROCK – – yes
501-530 Verizon BALD KNOB 2005-07-05 yes yes
501-531 Bandwidth HOTSPRINGS 2023-01-20 yes yes
501-532 Verizon JESSIEVL 2023-05-16 yes yes
501-533 Brightspeed JACKSONVL 2001-12-27 yes yes
501-534 Lumen LITTLEROCK – yes yes
501-535 TON80 COMMUNICATIONS, LLC BALD KNOB 2022-02-24 yes yes
501-536 Verizon CONWAY 2023-06-12 yes yes
501-537 Windstream LITTLEROCK – – yes
501-538 AT&T HOTSPRINGS – yes yes
501-539 Verizon LITTLEROCK – – yes
501-540 Charter MCRAE 2024-02-20 yes yes
501-541 AT&T LITTLEROCK – – yes
501-542 Lumen SYVNHLSHWD – yes yes
501-543 American Messaging BENTON – – yes
501-544 Lumen SHIRLEY 2023-09-28 yes yes
501-545 AT&T HOTSPRINGS 2002-06-14 yes yes
501-546 Lumen FAIRFLD BY 2023-10-09 yes yes
501-547 Verizon HOTSPRINGS – yes yes
501-548 AT&T CONWAY 2001-01-18 yes yes
501-549 AT&T PALARM 2023-10-17 yes yes
501-550 Lumen GREERSFRRY 2002-05-06 yes yes
501-551 AT&T LITTLEROCK – – yes
501-552 Windstream LITTLEROCK 2001-11-07 – yes
501-553 Lumen LITTLEROCK – yes yes
501-554 AT&T LITTLEROCK – yes yes
501-556 Windstream ROSE BUD – yes yes
501-557 AT&T BAUXITE – yes yes
501-558 AT&T LITTLEROCK – yes yes
501-559 Verizon BENTON 2023-12-20 yes yes
501-560 Onvoy JACKSONVL 2025-02-12 yes yes
501-561 CALLWORKS CORPORATION LITTLEROCK 2023-11-06 yes yes
501-562 AT&T LITTLEROCK – – yes
501-563 AT&T LITTLEROCK – – yes
501-564 IP HORIZON LLC SYVNHLSHWD 2024-02-16 yes yes
501-565 AT&T LITTLEROCK – – yes
501-566 AT&T JONESMILLS 2001-05-08 yes yes
501-567 FRACTEL, LLC CENTER RDG 2020-11-19 yes yes
501-568 AT&T LITTLEROCK – yes yes
501-569 AT&T LITTLEROCK – – yes
501-570 AT&T LITTLEROCK – yes yes
501-571 Onvoy WYE 2023-01-11 yes yes
501-572 Dish ENOLA 2024-02-20 yes yes
501-573 AT&T CABOT 2024-12-30 yes yes
501-574 Lumen BENTON 2001-05-08 yes yes
501-575 Bandwidth BENTON 2015-10-06 yes yes
501-576 AT&T CONWAY 2025-01-13 yes yes
501-577 FRACTEL, LLC LONOKE 2020-07-15 yes yes
501-578 Onvoy FERNDALE 2025-03-13 yes yes
501-579 AT&T SPRINGLAKE 2025-04-16 yes yes
501-580 Verizon LITTLEROCK – – yes
501-581 Windstream GREENBRIER – yes yes
501-582 Onvoy BENTON 2025-11-04 yes yes
501-583 WAVENATION, LLC LITTLEROCK 2025-11-17 yes yes
501-584 Verizon LITTLEROCK – yes yes
501-585 Windstream CONWAY 2015-10-01 yes yes
501-586 Onvoy CONWAY 2025-12-12 yes yes
501-587 E. RITTER COMMUNICATIONS, LLC LITTLEROCK 2025-12-15 yes yes
501-588 Lumen LITTLEROCK 2002-05-06 yes yes
501-589 Windstream QUITMAN – yes yes
501-590 AT&T LITTLEROCK – – yes
501-591 T-Mobile BEEBE 2025-12-05 yes yes
501-592 ARKANSAS TEL. CO., INC. SCOTLAND – – yes
501-593 Lumen SEARCY 2002-07-15 yes yes
501-594 AT&T PARON – yes yes
501-595 IP HORIZON LLC BRYANTCGVL 2026-06-01 yes yes
501-596 AT&T JACKSONVL – yes yes
501-597 IP HORIZON LLC HOTSPRINGS 2026-06-03 yes yes
501-598 IP HORIZON LLC PALARM 2026-06-03 yes no
501-599 FRACTEL, LLC SYVNHLSHWD 2020-07-15 yes yes
501-600 Onvoy PLEASANTPL 2018-09-21 yes yes
501-601 Onvoy MALVERN 2018-10-15 yes yes
501-602 AT&T BAUXITE – yes yes
501-603 AT&T LITTLEROCK – yes yes
501-604 Lumen LITTLEROCK – yes yes
501-605 Brightspeed CABOT – yes yes
501-606 T-Mobile CABOT – yes yes
501-607 Verizon LITTLEROCK – – yes
501-608 IP HORIZON LLC SYVNHLSHWD 2026-06-12 yes no
501-609 AT&T HOTSPRINGS – – yes
501-610 Onvoy CABOT 2026-08-12 yes yes
501-612 AT&T LITTLEROCK – – yes
501-613 T-Mobile LITTLEROCK 2005-10-17 yes yes
501-614 AT&T LITTLEROCK – yes yes
501-615 AT&T LITTLEROCK – yes yes
501-616 Onvoy BENTON 2026-10-21 yes no
501-617 Verizon HOTSPRINGS – – yes
501-618 AT&T LITTLEROCK – yes yes
501-620 AT&T HOTSPRINGS – yes yes
501-621 Telnyx LITTLEROCK – yes yes
501-622 AT&T HOTSPRINGS – – yes
501-623 AT&T HOTSPRINGS – – yes
501-624 AT&T HOTSPRINGS – – yes
501-625 AT&T HOTSPRINGS – yes yes
501-626 AT&T LITTLEROCK – – yes
501-627 AT&T HOTSPRINGS – – yes
501-628 Windstream CABOT – yes yes
501-629 HD CARRIER LLC LITTLEROCK – yes yes
501-630 Lumen LITTLEROCK – yes yes
501-631 Lumen LITTLEROCK 2003-07-23 yes yes
501-632 Lumen LITTLEROCK 2003-07-23 yes yes
501-633 Lumen LITTLEROCK 2003-07-23 yes yes
501-634 Lumen LITTLEROCK 2003-07-23 yes yes
501-635 Lumen LITTLEROCK 2003-07-23 yes yes
501-636 Lumen LITTLEROCK 2003-07-23 yes yes
501-637 Lumen LITTLEROCK 2003-07-23 yes yes
501-638 Lumen LITTLEROCK 2003-07-23 yes yes
501-639 Lumen LITTLEROCK 2003-07-23 yes yes
501-640 TON80 COMMUNICATIONS, LLC LITTLEROCK – yes yes
501-641 Verizon LITTLEROCK – yes yes
501-642 Onvoy LITTLEROCK – yes yes
501-643 Twilio LITTLEROCK – yes yes
501-644 AT&T LITTLEROCK – yes yes
501-645 AT&T MORRILTON – yes yes
501-646 AT&T LITTLEROCK – yes yes
501-647 AT&T LITTLEROCK – yes yes
501-648 AT&T LITTLEROCK – yes yes
501-650 AT&T LITTLEROCK 2005-08-16 yes yes
501-651 AT&T HOTSPRINGS 2007-06-26 yes yes
501-652 AT&T MORRILTON – yes yes
501-653 AT&T BRYANTCGVL – yes yes
501-654 Windstream MORGANTON – yes yes
501-655 T-Mobile HOTSPRINGS – yes yes
501-658 AT&T LITTLEROCK – – yes
501-660 AT&T LITTLEROCK – – yes
501-661 AT&T LITTLEROCK – yes yes
501-662 Windstream PERRY – yes yes
501-663 AT&T LITTLEROCK – – yes
501-664 AT&T LITTLEROCK – – yes
501-665 COMMIO, LLC LITTLEROCK – yes yes
501-666 AT&T LITTLEROCK – yes yes
501-667 FRACTEL, LLC KENSETT 2020-11-19 yes yes
501-669 AT&T CLEVELAND – yes yes
501-671 AT&T LITTLEROCK – – yes
501-672 AT&T BENTON – yes yes
501-673 Windstream PINNACLE – yes yes
501-676 AT&T LONOKE – yes yes
501-679 Windstream GREENBRIER – – yes
501-680 Verizon LITTLEROCK – – yes
501-681 AT&T LITTLEROCK – – yes
501-682 Windstream LITTLEROCK – – yes
501-683 AT&T LITTLEROCK – yes yes
501-686 AT&T LITTLEROCK – – yes
501-687 Windstream LITTLEROCK – yes yes
501-688 AT&T LITTLEROCK – – yes
501-690 Verizon LITTLEROCK – – yes
501-691 AT&T HEBER SPG – yes yes
501-693 T-Mobile HOTSPRINGS – yes yes
501-694 Lumen LITTLEROCK – – yes
501-697 AT&T CONWAY – yes yes
501-699 Verizon SCOTLAND 2006-08-07 yes yes
501-701 AT&T HOTSPRINGS – yes yes
501-703 T-Mobile LONOKE 2014-01-30 yes yes
501-707 Verizon LITTLEROCK – yes yes
501-708 Verizon LITTLEROCK – yes yes
501-710 Charter LITTLEROCK 2019-09-17 yes yes
501-712 AT&T LITTLEROCK 2011-12-12 yes yes
501-714 Twilio GREENBRIER 2024-10-31 yes yes
501-716 AT&T LITTLEROCK – yes yes
501-722 Windstream BENTON – yes yes
501-723 ARKANSAS TEL. CO., INC. SHIRLEY – – yes
501-724 Brightspeed BALD KNOB – yes yes
501-725 Lumen LITTLEROCK – yes yes
501-726 Brightspeed MCRAE – – yes
501-727 AT&T MORRILTON – yes yes
501-728 Windstream PANGBURN – yes yes
501-729 Brightspeed JUDSONIA – yes yes
501-730 AT&T CONWAY – – yes
501-732 AT&T MALVERN – yes yes
501-733 AT&T CONWAY – yes yes
501-734 Windstream PALARM – yes yes
501-737 Comcast SCOTT – yes yes
501-738 AHOI LLC LITTLEROCK 2026-03-30 yes yes
501-742 Brightspeed KENSETT – – yes
501-743 Brightspeed CABOT – yes yes
501-744 AT&T LITTLEROCK 2002-01-09 – yes
501-745 ARKANSAS TEL. CO., INC. CLINTON – – yes
501-746 TON80 COMMUNICATIONS, LLC BRYANTCGVL 2022-02-07 yes yes
501-747 AT&T LITTLEROCK 2005-04-07 yes yes
501-748 Windstream LITTLEROCK – yes yes
501-749 AT&T LITTLEROCK – – yes
501-753 AT&T LITTLEROCK – – yes
501-755 FRACTEL, LLC QUITMAN 2020-07-15 yes yes
501-757 Verizon CLINTON 2006-08-07 yes yes
501-758 AT&T LITTLEROCK – – yes
501-759 Windstream BIGELOW – yes yes
501-760 AT&T HOTSPRINGS – yes yes
501-762 Lumen HOTSPRINGS – yes yes
501-763 American Messaging HOTSPRINGS – – yes
501-764 AT&T CONWAY – yes yes
501-765 AT&T LITTLEROCK – – yes
501-766 AT&T LITTLEROCK – – yes
501-767 AT&T HOTSPRINGS – – yes
501-770 Onvoy WRIGHTSVL 2019-10-10 yes yes
501-771 AT&T LITTLEROCK – yes yes
501-772 AT&T LITTLEROCK 2001-03-22 yes yes
501-773 AT&T LITTLEROCK 2001-07-18 yes yes
501-776 AT&T BENTON – – yes
501-777 Onvoy LITTLEROCK 2015-01-28 yes yes
501-778 AT&T BENTON – – yes
501-779 T-Mobile LITTLEROCK – yes yes
501-781 Lumen HOTSPRINGS – yes yes
501-782 TON80 COMMUNICATIONS, LLC GRIFFITHVL 2022-02-15 yes yes
501-786 AT&T LITTLEROCK – yes yes
501-790 Onvoy PARON 2019-10-10 yes yes
501-791 AT&T LITTLEROCK – yes yes
501-794 AT&T BENTON – yes yes
501-796 Windstream VILONIA – yes yes
501-798 Lumen PINNACLE – yes yes
501-799 FRACTEL, LLC PALARM 2020-07-15 yes yes
501-800 Onvoy PALARM 2015-03-25 yes yes
501-801 Lumen LITTLEROCK – – yes
501-802 Verizon JONESMILLS 2005-06-20 yes yes
501-803 AT&T PALARM – yes yes
501-804 Verizon LITTLEROCK – – yes
501-808 AT&T VILONIA 2015-06-19 yes yes
501-812 AT&T LITTLEROCK – yes yes
501-813 AT&T LITTLEROCK – yes yes
501-815 AT&T JONESMILLS – yes yes
501-817 Lumen FERNDALE 2001-07-05 yes yes
501-818 T-Mobile MALVERN 2001-01-23 yes yes
501-819 AT&T SYVNHLSHWD – yes yes
501-821 AT&T FERNDALE – – yes
501-823 Lumen LITTLEROCK – yes yes
501-825 AT&T GREERSFRRY – yes yes
501-827 AT&T SEARCY – – yes
501-828 American Messaging LITTLEROCK – – yes
501-830 Windstream FERNDALE – yes yes
501-831 Verizon LITTLEROCK – – yes
501-832 TON80 COMMUNICATIONS, LLC GREERSFRRY 2022-01-13 yes yes
501-833 AT&T SYVNHLSHWD – yes yes
501-834 AT&T SYVNHLSHWD – – yes
501-835 AT&T SYVNHLSHWD – – yes
501-837 AT&T LITTLEROCK – – yes
501-838 AT&T LITTLEROCK 2001-02-26 – yes
501-840 AT&T BENTON – yes yes
501-842 Brightspeed ENGLAND – yes yes
501-843 Brightspeed CABOT – – yes
501-844 AT&T JONESMILLS – yes yes
501-847 AT&T BRYANTCGVL – – yes
501-849 Windstream ENOLA – yes yes
501-850 Windstream LITTLEROCK 2009-04-16 yes yes
501-851 AT&T PALARM – yes yes
501-852 Windstream CONWAY – yes yes
501-858 Verizon BEEBE 2005-12-30 yes yes
501-859 Lumen LITTLEROCK – yes yes
501-860 AT&T BENTON – yes yes
501-862 AT&T LITTLEROCK – – yes
501-864 AT&T SYVNHLSHWD 2006-01-19 yes yes
501-865 CENTRAL ARKANSAS TEL. COOP., INC. BISMARCK – – yes
501-866 TON80 COMMUNICATIONS, LLC CASA 2022-01-13 yes yes
501-867 Onvoy MAUMELLE 2025-09-11 yes yes
501-868 AT&T PINNACLE – yes yes
501-870 Charter MORGANTON 2024-01-31 yes yes
501-881 Lumen HOTSPRINGS 2002-05-13 yes yes
501-882 AT&T BEEBE – – yes
501-884 ARKANSAS TEL. CO., INC. FAIRFLD BY – – yes
501-887 AT&T HEBER SPG – yes yes
501-888 AT&T SPRINGLAKE – yes yes
501-889 Windstream PERRYVILLE – yes yes
501-891 Verizon LITTLEROCK – yes yes
501-893 AT&T CENTER RDG – yes yes
501-897 AT&T WRIGHTSVL – yes yes
501-900 TERRA NOVA TELECOM INC. LITTLEROCK 2019-01-22 yes yes
501-902 Verizon LITTLEROCK – yes yes
501-904 Onvoy LITTLEROCK 2015-03-25 yes yes
501-905 Windstream LITTLEROCK – – yes
501-906 Windstream LITTLEROCK – – yes
501-907 Windstream LITTLEROCK – – yes
501-908 T-Mobile CONWAY – yes yes
501-909 T-Mobile BENTON – yes yes
501-910 Onvoy LITTLEROCK 2021-04-16 yes yes
501-912 Verizon LITTLEROCK – – yes
501-913 Verizon LITTLEROCK – yes yes
501-914 Verizon LITTLEROCK – yes yes
501-915 AT&T JESSIEVL – yes yes
501-916 AT&T LITTLEROCK – yes yes
501-918 AT&T LITTLEROCK – yes yes
501-920 AT&T LITTLEROCK – – yes
501-922 AT&T JESSIEVL – – yes
501-932 Windstream CONWAY – yes yes
501-939 AT&T LONSDALE – yes yes
501-940 AT&T LITTLEROCK – – yes
501-941 Brightspeed CABOT – yes yes
501-942 TON80 COMMUNICATIONS, LLC SCOTT 2022-02-15 yes yes
501-943 Windstream BRYANTCGVL – yes yes
501-944 AT&T LITTLEROCK – – yes
501-945 AT&T LITTLEROCK – – yes
501-946 FRACTEL, LLC BENTON 2022-05-12 yes yes
501-951 Verizon LITTLEROCK – – yes
501-952 T-Mobile LITTLEROCK – yes yes
501-954 AT&T LITTLEROCK – yes yes
501-955 AT&T LITTLEROCK – – yes
501-960 T-Mobile LITTLEROCK – yes yes
501-961 AT&T SCOTT – yes yes
501-975 Windstream LITTLEROCK – – yes
501-977 AT&T MORRILTON – yes yes
501-978 Windstream LITTLEROCK – – yes
501-982 Brightspeed JACKSONVL – – yes
501-983 Brightspeed JACKSONVL – yes yes
501-984 AT&T JESSIEVL – yes yes
501-985 Brightspeed JACKSONVL – – yes
501-987 Brightspeed JACKSONVL – – yes
501-988 Brightspeed JACKSONVL – yes yes
501-991 Onvoy CRYSTALSPG – yes yes
501-992 Windstream SYVNHLSHWD – yes yes
501-993 Verizon LITTLEROCK – – yes
501-999 TERRA NOVA TELECOM INC. BEEBE 2021-04-26 yes yes

Frequently asked

How many prefixes does area code 501 have?

631 NXX blocks are assigned of 786 possible. Each block is 10,000 consecutive numbers, so the code currently covers about 6,310 thousand-number ranges across 61 rate centers.

What do the first three digits after 501 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 501 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 501 table?

That the block is in thousands-block pooling: carriers draw 1,000-number lots from it instead of taking all 10,000. 478 of 501'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