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

Area code 619 prefixes

785 of the 786 possible NXX blocks are assigned in area code 619 (99.9% of capacity), spread across 17 rate centers and 37 holders. The largest holders are PACIFIC BELL (189 blocks, 24.1%), NEW CINGULAR WIRELESS PCS, LLC (104 blocks, 13.2%), T-MOBILE USA, INC. (96 blocks, 12.2%). Grouped by brand, AT&T accounts for 306 blocks; brand-attributable holders cover 97% 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 2001-01-25 to 2026-06-10, with 44 blocks handed out in 2001 alone. 522 blocks (66%) 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. 1 assigned block (968) is not yet in service: assigned to a carrier but not open for calls, so a caller ID from one is spoofed. 212 were growth assignments – additional blocks to a carrier that had already filled its earlier ones.

785 assigned blocks of 786
17 rate centers
37 holders of record
66% in thousands-block pooling

Largest holders in 619

Holder of record, as NANPA names itBrandBlocksShare
PACIFIC BELL AT&T 189 24.1%
NEW CINGULAR WIRELESS PCS, LLC AT&T 104 13.2%
T-MOBILE USA, INC. T-Mobile 96 12.2%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA Verizon 75 9.6%
ONVOY, LLC - CA Onvoy 49 6.2%
COMCAST PHONE OF CALIFORNIA, LLC Comcast 36 4.6%
METROPCS, INC. T-Mobile 35 4.5%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 30 3.8%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA Verizon 29 3.7%
BANDWIDTH.COM CLEC, LLC - CA Bandwidth 29 3.7%
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS TPx 24 3.1%
SPOK, INC. Spok 19 2.4%

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 785 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
619-200 AT&T SNDG SNDG – – yes
619-201 T-Mobile EL CAJON 2007-01-19 yes yes
619-202 Lumen JACUMBA – yes yes
619-203 AT&T SNDG SNDG – – yes
619-204 AT&T SNDG SNDG 2001-04-24 – yes
619-205 AT&T CHULAVISTA – yes yes
619-206 AT&T SNDG SNDG 2001-04-24 – yes
619-207 Verizon CHULAVISTA 2004-08-04 yes yes
619-208 AT&T SNDG SNDG 2001-04-24 – yes
619-209 AT&T SNDG SNDG – yes yes
619-210 Verizon CHULAVISTA – yes yes
619-212 Verizon EL CAJON – yes yes
619-213 Verizon CHULAVISTA – yes yes
619-214 T-Mobile SNDG SNDG – yes yes
619-215 Verizon CORONADO – yes yes
619-216 AT&T CHULAVISTA – – yes
619-217 Spok SNDG SNDG – – yes
619-218 T-Mobile SNDG SNDG – yes yes
619-219 AT&T EL CAJON – yes yes
619-220 AT&T SNDG SNDG – yes yes
619-221 AT&T SNDG SNDG – yes yes
619-222 AT&T SNDG SNDG – – yes
619-223 AT&T SNDG SNDG – – yes
619-224 AT&T SNDG SNDG – – yes
619-225 AT&T SNDG SNDG – yes yes
619-226 AT&T SNDG SNDG – yes yes
619-227 T-Mobile CHULAVISTA – yes yes
619-228 AT&T SNDG SNDG – yes yes
619-229 AT&T SNDG SNDG – – yes
619-230 AT&T SNDG SNDG – yes yes
619-231 AT&T SNDG SNDG – – yes
619-232 AT&T SNDG SNDG – – yes
619-233 AT&T SNDG SNDG – – yes
619-234 AT&T SNDG SNDG – – yes
619-235 AT&T SNDG SNDG – – yes
619-236 AT&T SNDG SNDG – – yes
619-237 AT&T SNDG SNDG – – yes
619-238 AT&T SNDG SNDG – – yes
619-239 AT&T SNDG SNDG – – yes
619-240 T-Mobile CHULAVISTA 2006-11-21 yes yes
619-241 Verizon SNDG SNDG – yes yes
619-242 Spok SNDG SNDG – – yes
619-243 Verizon SNDG SNDG – yes yes
619-244 AT&T EL CAJON – – yes
619-245 Lumen NATIONALCY – yes yes
619-246 AT&T SNDG SNDG – – yes
619-247 T-Mobile SNDG SNDG – yes yes
619-248 T-Mobile LA MESA – yes yes
619-249 T-Mobile EL CAJON – yes yes
619-250 T-Mobile NATIONALCY 2001-12-27 yes yes
619-251 T-Mobile LA MESA – yes yes
619-252 AT&T SNDG SNDG – – yes
619-253 T-Mobile CHULAVISTA – yes yes
619-254 T-Mobile CHULAVISTA 2001-12-27 yes yes
619-255 Comcast SNDG SNDG – – yes
619-256 Spok CHULAVISTA – – yes
619-257 T-Mobile CHULAVISTA 2024-01-11 yes yes
619-258 AT&T EL CAJON – – yes
619-259 T-Mobile NATIONALCY 2007-01-19 yes yes
619-260 AT&T SNDG SNDG – – yes
619-261 AT&T SNDG SNDG – – yes
619-262 AT&T SNDG SNDG – – yes
619-263 AT&T SNDG SNDG – – yes
619-264 AT&T SNDG SNDG – – yes
619-265 AT&T SNDG SNDG – yes yes
619-266 AT&T SNDG SNDG – – yes
619-267 AT&T NATIONALCY – – yes
619-268 AT&T DULZURA – yes yes
619-269 Comcast SNDG SNDG – yes yes
619-270 Windstream EL CAJON – yes yes
619-271 Comcast CHULAVISTA – yes yes
619-272 Onvoy SNDG SNDG 2007-09-15 yes yes
619-273 Bandwidth NATIONALCY – yes yes
619-274 T-Mobile NATIONALCY 2001-12-27 yes yes
619-275 AT&T SNDG SNDG – – yes
619-276 AT&T SNDG SNDG – – yes
619-277 T-Mobile EL CAJON 2001-12-27 – yes
619-278 AT&T SNDG SNDG – yes yes
619-279 T-Mobile SNDG SNDG 2001-12-27 yes yes
619-280 AT&T SNDG SNDG – – yes
619-281 AT&T SNDG SNDG – – yes
619-282 AT&T SNDG SNDG – – yes
619-283 AT&T SNDG SNDG – yes yes
619-284 AT&T SNDG SNDG – – yes
619-285 AT&T SNDG SNDG – – yes
619-286 AT&T SNDG SNDG – – yes
619-287 AT&T SNDG SNDG – – yes
619-288 AT&T SNDG SNDG 2006-04-08 yes yes
619-289 AT&T CHULAVISTA 2012-06-14 yes yes
619-290 American Messaging SNDG SNDG – – yes
619-291 AT&T SNDG SNDG – – yes
619-292 AT&T NATIONALCY – yes yes
619-293 AT&T SNDG SNDG – yes yes
619-294 AT&T SNDG SNDG – yes yes
619-295 AT&T SNDG SNDG – – yes
619-296 AT&T SNDG SNDG – – yes
619-297 AT&T SNDG SNDG – – yes
619-298 AT&T SNDG SNDG – – yes
619-299 AT&T SNDG SNDG – – yes
619-300 AT&T SNDG SNDG – – yes
619-301 AT&T SNDG SNDG 2001-04-24 – yes
619-302 AT&T SNDG SNDG 2001-04-24 – yes
619-303 Comcast LA MESA – – yes
619-304 Onvoy SNDG SNDG 2015-11-20 yes yes
619-305 Onvoy CHULAVISTA 2016-01-28 yes yes
619-306 AT&T SNDG SNDG 2001-04-24 – yes
619-307 AT&T SNDG SNDG 2001-04-24 yes yes
619-308 TPx SNDG SNDG – yes yes
619-309 AT&T SNDG SNDG – yes yes
619-310 AIRESPRING, INC. SNDG SNDG 2018-05-08 yes yes
619-312 Comcast EL CAJON – yes yes
619-313 AT&T CORONADO – yes yes
619-314 Verizon SNDG SNDG 2016-03-16 yes yes
619-315 AT&T LA MESA – yes yes
619-316 AT&T SNDG SNDG – – yes
619-317 T-Mobile SNDG SNDG 2015-09-22 yes yes
619-318 Verizon SNDG SNDG – – yes
619-319 T-Mobile CORONADO – yes yes
619-320 Lumen HARBSNALPN – yes yes
619-321 AT&T SNDG SNDG – yes yes
619-322 Verizon EL CAJON – – yes
619-323 Lumen SNDG SNDG 2016-02-01 yes yes
619-324 Bandwidth HARBSNALPN – yes yes
619-325 TPx SNDG SNDG – yes yes
619-326 TPx SNDG SNDG – yes yes
619-327 T-Mobile NATIONALCY – yes yes
619-328 Comcast EL CAJON – yes yes
619-329 AT&T SNDG SNDG 2016-04-15 yes yes
619-330 Onvoy SNDG SNDG – – yes
619-331 UTILITY TELECOM GROUP, LLC - CA SNDG SNDG – – yes
619-332 AT&T EL CAJON 2015-10-08 yes yes
619-333 Bandwidth EL CAJON – yes yes
619-334 Comcast EL CAJON – – yes
619-335 Lumen LA MESA – yes yes
619-336 AT&T NATIONALCY – – yes
619-337 AT&T LA MESA – yes yes
619-338 AT&T SNDG SNDG – – yes
619-339 AT&T SNDG SNDG – – yes
619-340 T-Mobile LA MESA 2016-09-16 yes yes
619-341 AT&T SNDG SNDG 2001-04-24 yes yes
619-342 Lumen SNDG SNDG – yes yes
619-343 T-Mobile SNDG SNDG 2016-04-15 yes yes
619-344 Comcast SNDG SNDG – yes yes
619-345 TPx DULZURA 2001-01-25 yes yes
619-346 Verizon SNDG SNDG 2011-05-26 yes yes
619-347 T-Mobile CORONADO 2001-09-19 yes yes
619-348 Onvoy CHULAVISTA – yes yes
619-349 Comcast CHULAVISTA 2017-09-18 yes yes
619-350 TPx JACUMBA – yes yes
619-352 T-Mobile NATIONALCY – yes yes
619-353 Onvoy JACUMBA – yes yes
619-354 Peerless SNDG SNDG 2012-03-22 yes yes
619-355 33 WIRELESS INC. LA MESA – – yes
619-356 Onvoy SNDG SNDG – yes yes
619-357 Lumen EL CAJON 2011-10-10 yes yes
619-358 AT&T SNDG SNDG – yes yes
619-359 NUSO, LLC SNDG SNDG – yes yes
619-360 American Messaging EL CAJON – – yes
619-361 AT&T CHULAVISTA 2012-03-30 yes yes
619-362 Comcast SNDG SNDG – yes yes
619-363 Bandwidth SNDG SNDG 2013-10-21 yes yes
619-364 NORTH COUNTY COMMUNICATION CORPORATION - CA SNDG SNDG – – yes
619-365 Lumen CORONADO – yes yes
619-366 AT&T SNDG SNDG 2007-01-02 yes yes
619-367 Onvoy PINEVALLEY – yes yes
619-368 T-Mobile EL CAJON – yes yes
619-369 Onvoy HARBSNALPN 2016-05-11 yes yes
619-370 AT&T CHULAVISTA – – yes
619-371 Verizon CHULAVISTA – yes yes
619-372 Verizon SNDG SNDG – yes yes
619-373 Lumen CHULAVISTA 2013-01-31 yes yes
619-374 Onvoy SNDG SNDG – – yes
619-375 Bandwidth EL CAJON – yes yes
619-376 T-Mobile SNDG SNDG – yes yes
619-377 Lumen PINEVALLEY – yes yes
619-378 Lumen CAMPO – yes yes
619-379 T-Mobile SNDG SNDG – yes yes
619-380 Verizon SNDG SNDG 2015-07-20 yes yes
619-381 AT&T SNDG SNDG 2007-01-02 yes yes
619-382 T-Mobile CHULAVISTA 2012-12-18 yes yes
619-383 Lumen EL CAJON 2013-01-31 yes yes
619-384 T-Mobile SNDG SNDG – yes yes
619-385 Verizon SNDG SNDG 2014-10-13 yes yes
619-386 AT&T CHULAVISTA 2014-06-10 yes yes
619-387 TPx EL CAJON – yes yes
619-388 TPx LA MESA – yes yes
619-389 T-Mobile SNDG SNDG 2016-09-19 yes yes
619-390 AT&T EL CAJON – – yes
619-391 Peerless SNDG SNDG – yes yes
619-392 T-Mobile CHULAVISTA – yes yes
619-393 Onvoy SNDG SNDG – – yes
619-394 T-Mobile SNDG SNDG 2015-04-01 yes yes
619-395 AT&T CHULAVISTA 2001-09-19 yes yes
619-396 Verizon EL CAJON 2014-10-14 yes yes
619-397 AT&T CHULAVISTA – yes yes
619-398 TPx SNDG SNDG – yes yes
619-399 Lumen NATIONALCY – yes yes
619-400 Lumen SNDG SNDG – yes yes
619-401 AT&T EL CAJON – – yes
619-402 Verizon EL CAJON – yes yes
619-403 Verizon LA MESA – yes yes
619-404 T-Mobile EL CAJON 2016-08-12 yes yes
619-405 Verizon SNDG SNDG – – yes
619-406 Spok SNDG SNDG – – yes
619-407 AT&T CHULAVISTA – yes yes
619-408 AT&T SNDG SNDG 2007-01-02 yes yes
619-409 AT&T CHULAVISTA – yes yes
619-410 T-Mobile CHULAVISTA – yes yes
619-412 American Messaging SNDG SNDG – – yes
619-413 Onvoy JACUMBA – yes yes
619-414 Verizon LA MESA – yes yes
619-415 Verizon LA MESA – yes yes
619-416 Verizon SNDG SNDG 2015-10-01 yes yes
619-417 Verizon SNDG SNDG – – yes
619-418 AT&T CHULAVISTA 2020-09-08 yes yes
619-419 Verizon NATIONALCY – yes yes
619-420 AT&T CHULAVISTA – – yes
619-421 AT&T CHULAVISTA – – yes
619-422 AT&T CHULAVISTA – – yes
619-423 AT&T CHULAVISTA – – yes
619-424 AT&T CHULAVISTA – – yes
619-425 AT&T CHULAVISTA – – yes
619-426 AT&T CHULAVISTA – – yes
619-427 AT&T CHULAVISTA – – yes
619-428 AT&T CHULAVISTA – – yes
619-429 AT&T CHULAVISTA – – yes
619-430 Lumen SNDG SNDG 2014-01-24 yes yes
619-431 Bandwidth SNDG SNDG 2014-07-21 yes yes
619-432 T-Mobile SNDG SNDG 2014-10-20 yes yes
619-433 TPx LA MESA – yes yes
619-434 Comcast NATIONALCY – yes yes
619-435 AT&T CORONADO – – yes
619-436 T-Mobile SNDG SNDG – yes yes
619-437 AT&T CORONADO – – yes
619-438 Lumen EL CAJON – yes yes
619-439 Comcast LA MESA 2017-10-09 yes yes
619-440 AT&T EL CAJON – – yes
619-441 AT&T EL CAJON – – yes
619-442 AT&T EL CAJON – – yes
619-443 AT&T EL CAJON – – yes
619-444 AT&T EL CAJON – – yes
619-445 AT&T HARBSNALPN – – yes
619-446 AT&T SNDG SNDG – yes yes
619-447 AT&T EL CAJON – – yes
619-448 AT&T EL CAJON – – yes
619-449 AT&T EL CAJON – – yes
619-450 DMR COMMUNICATIONS INC. - CA SNDG SNDG 2007-02-12 yes yes
619-451 T-Mobile CHULAVISTA 2013-10-18 yes yes
619-452 T-Mobile SNDG SNDG 2013-06-10 yes yes
619-453 Onvoy SNDG SNDG 2007-05-07 yes yes
619-454 T-Mobile LA MESA 2001-10-18 yes yes
619-455 Verizon SNDG SNDG 2014-05-12 yes yes
619-456 Comcast EL CAJON – yes yes
619-457 AT&T EL CAJON 2014-04-04 yes yes
619-458 Verizon SNDG SNDG 2014-04-08 yes yes
619-459 T-Mobile CORONADO 2001-02-22 yes yes
619-460 AT&T LA MESA – – yes
619-461 AT&T LA MESA – – yes
619-462 AT&T LA MESA – – yes
619-463 AT&T LA MESA – – yes
619-464 AT&T LA MESA – yes yes
619-465 AT&T LA MESA – – yes
619-466 AT&T LA MESA – – yes
619-467 AT&T LA MESA 2006-01-25 yes yes
619-468 AT&T DULZURA – yes yes
619-469 AT&T LA MESA – – yes
619-470 AT&T NATIONALCY – – yes
619-471 Verizon SNDG SNDG – yes yes
619-472 AT&T NATIONALCY – yes yes
619-473 AT&T PINEVALLEY – yes yes
619-474 AT&T NATIONALCY – – yes
619-475 AT&T NATIONALCY – – yes
619-476 AT&T CHULAVISTA – – yes
619-477 AT&T NATIONALCY – – yes
619-478 AT&T CAMPO – yes yes
619-479 AT&T NATIONALCY – – yes
619-480 T-Mobile NATIONALCY 2016-08-26 yes yes
619-481 Verizon SNDG SNDG 2006-06-19 yes yes
619-482 AT&T CHULAVISTA – – yes
619-483 Bandwidth CHULAVISTA 2015-04-10 yes yes
619-484 T-Mobile CHULAVISTA 2015-07-23 yes yes
619-485 Bandwidth HARBSNALPN 2014-06-13 yes yes
619-486 Lumen EL CAJON 2015-07-29 yes yes
619-487 Comcast SNDG SNDG – yes yes
619-488 CURATEL, LLC - CA SNDG SNDG 2007-07-18 yes yes
619-489 Onvoy CHULAVISTA – yes yes
619-490 Verizon LA MESA – yes yes
619-491 AT&T SNDG SNDG – – yes
619-492 Onvoy DULZURA – yes yes
619-493 Bandwidth EL CAJON 2014-06-23 yes yes
619-494 Bandwidth CHULAVISTA 2014-07-21 yes yes
619-495 Verizon CHULAVISTA 2006-01-20 yes yes
619-496 T-Mobile SNDG SNDG 2014-08-04 yes yes
619-497 AT&T SNDG SNDG – yes yes
619-498 AT&T CHULAVISTA – – yes
619-499 Comcast EL CAJON – yes yes
619-500 Onvoy CHULAVISTA – yes yes
619-501 Comcast SNDG SNDG – – yes
619-502 AT&T CHULAVISTA 2006-09-13 yes yes
619-503 IP HORIZON LLC CAMPO – yes yes
619-504 AT&T EL CAJON – – yes
619-505 Onvoy NATIONALCY 2016-01-29 yes yes
619-506 American Messaging CHULAVISTA – – yes
619-507 Verizon SNDG SNDG – – yes
619-508 AT&T SNDG SNDG 2001-04-24 – yes
619-509 AT&T EL CAJON 2020-02-10 yes yes
619-510 Comcast SNDG SNDG – yes yes
619-512 Verizon NATIONALCY – yes yes
619-513 T-Mobile CHULAVISTA 2016-06-29 yes yes
619-514 T-Mobile SNDG SNDG 2016-11-29 yes yes
619-515 AT&T SNDG SNDG – – yes
619-516 AT&T SNDG SNDG – yes yes
619-517 Verizon SNDG SNDG – – yes
619-518 AT&T SNDG SNDG – – yes
619-519 T-Mobile CORONADO 2002-09-19 yes yes
619-520 T-Mobile SNDG SNDG – yes yes
619-521 AT&T SNDG SNDG – – yes
619-522 AT&T CORONADO – yes yes
619-523 AT&T SNDG SNDG – – yes
619-524 AT&T SNDG SNDG – – yes
619-525 AT&T SNDG SNDG – – yes
619-526 Spok SNDG SNDG – – yes
619-527 AT&T SNDG SNDG – – yes
619-528 AT&T SNDG SNDG – – yes
619-529 Spok SNDG SNDG – – yes
619-530 T-Mobile SNDG SNDG 2017-03-23 yes yes
619-531 AT&T SNDG SNDG – – yes
619-532 AT&T SNDG SNDG – – yes
619-533 AT&T SNDG SNDG – – yes
619-534 T-Mobile SNDG SNDG 2007-03-08 yes yes
619-535 Lumen SNDG SNDG 2014-06-23 yes yes
619-536 AT&T EL CAJON 2014-08-21 yes yes
619-537 AT&T CORONADO 2007-07-23 yes yes
619-538 Verizon SNDG SNDG 2014-09-09 yes yes
619-539 Peerless SNDG SNDG – yes yes
619-540 Verizon SNDG SNDG – – yes
619-541 Verizon SNDG SNDG 2015-03-13 yes yes
619-542 AT&T SNDG SNDG – yes yes
619-543 AT&T SNDG SNDG – – yes
619-544 AT&T SNDG SNDG – – yes
619-545 AT&T CORONADO – – yes
619-546 Comcast SNDG SNDG – yes yes
619-547 AT&T CHULAVISTA 2014-09-05 yes yes
619-548 AT&T SNDG SNDG 2001-04-24 – yes
619-549 T-Mobile SNDG SNDG 2001-09-19 – yes
619-550 Onvoy SNDG SNDG 2007-08-01 yes yes
619-551 T-Mobile CHULAVISTA 2014-10-16 yes yes
619-552 T-Mobile NATIONALCY 2014-07-07 yes yes
619-553 AT&T SNDG SNDG – – yes
619-554 TPx CORONADO – yes yes
619-556 AT&T SNDG SNDG – – yes
619-557 AT&T SNDG SNDG – – yes
619-558 T-Mobile EL CAJON 2016-10-24 yes yes
619-559 AT&T SNDG SNDG 2001-04-24 – yes
619-560 Comcast SNDG SNDG – yes yes
619-561 AT&T EL CAJON – – yes
619-562 AT&T EL CAJON – – yes
619-563 AT&T SNDG SNDG – – yes
619-564 Comcast SNDG SNDG – yes yes
619-565 T-Mobile CHULAVISTA 2005-06-28 yes yes
619-566 Onvoy HARBSNALPN – yes yes
619-567 Lumen LA MESA – yes yes
619-568 Lumen CORONADO – yes yes
619-569 T-Mobile EL CAJON 2007-10-27 yes yes
619-571 T-Mobile SNDG SNDG – yes yes
619-572 T-Mobile SNDG SNDG – yes yes
619-573 Verizon SNDG SNDG 2005-02-18 yes yes
619-574 AT&T SNDG SNDG – – yes
619-575 AT&T CHULAVISTA – – yes
619-576 Verizon CHULAVISTA 2014-09-15 yes yes
619-577 WIDE VOICE, LLC - CA SNDG SNDG 2013-11-18 yes yes
619-578 AT&T SNDG SNDG – yes yes
619-579 AT&T EL CAJON – – yes
619-580 American Messaging SNDG SNDG – – yes
619-581 AT&T SNDG SNDG 2006-04-21 yes yes
619-582 AT&T SNDG SNDG – – yes
619-583 AT&T SNDG SNDG – – yes
619-584 AT&T SNDG SNDG – – yes
619-585 AT&T CHULAVISTA – – yes
619-586 T-Mobile NATIONALCY 2014-10-17 yes yes
619-587 Verizon CHULAVISTA 2005-03-23 yes yes
619-588 AT&T EL CAJON – – yes
619-589 AT&T LA MESA – – yes
619-590 AT&T EL CAJON – – yes
619-591 TPx CHULAVISTA – yes yes
619-592 Verizon EL CAJON 2008-01-14 yes yes
619-593 AT&T EL CAJON – – yes
619-594 Comcast SNDG SNDG – – yes
619-595 AT&T SNDG SNDG – – yes
619-596 AT&T EL CAJON – – yes
619-597 Verizon LA MESA 2014-10-30 yes yes
619-598 T-Mobile CHULAVISTA 2014-10-20 yes yes
619-599 Verizon EL CAJON – yes yes
619-600 T-Mobile CHULAVISTA 2008-01-29 yes yes
619-601 Bandwidth CHULAVISTA 2016-06-24 yes yes
619-602 T-Mobile SNDG SNDG – yes yes
619-603 T-Mobile NATIONALCY 2019-06-24 yes yes
619-604 Onvoy SNDG SNDG 2024-01-24 yes yes
619-605 Comcast SNDG LVTA – yes yes
619-606 AT&T SNDG SNDG 2001-04-24 – yes
619-607 AT&T SNDG SNDG 2001-04-24 yes yes
619-608 AT&T SNDG SNDG 2001-04-24 yes yes
619-609 TPx LA MESA 2006-01-18 yes yes
619-610 Verizon SNDG SNDG – yes yes
619-612 Comcast HARBSNALPN 2017-10-03 yes yes
619-613 AT&T LA MESA 2019-09-13 yes yes
619-614 Bandwidth CHULAVISTA 2019-12-17 yes yes
619-615 AT&T SNDG SNDG – – yes
619-616 Verizon CHULAVISTA 2008-02-15 yes yes
619-617 T-Mobile CHULAVISTA 2020-01-29 yes yes
619-618 Onvoy SNDG SNDG – yes yes
619-619 Charter RNCHOSANFE 2023-05-17 yes yes
619-620 Spok SNDG SNDG – – yes
619-621 AT&T CHULAVISTA 2006-09-12 yes yes
619-622 T-Mobile CHULAVISTA 2016-10-18 yes yes
619-623 T-Mobile CHULAVISTA 2005-08-01 yes yes
619-624 AT&T SNDG SNDG – – yes
619-625 Bandwidth DULZURA – yes yes
619-626 Onvoy EL CAJON 2021-01-27 yes yes
619-627 Bandwidth EL CAJON 2015-01-16 yes yes
619-628 AT&T CHULAVISTA – yes yes
619-629 Vonage SNDG SNDG 2016-08-09 yes yes
619-630 Bandwidth SNDG SNDG 2008-04-02 yes yes
619-631 TPx EL CAJON – yes yes
619-632 T-Mobile CHULAVISTA 2005-02-02 yes yes
619-633 AT&T EL CAJON 2010-05-06 yes yes
619-634 AT&T SNDG SNDG 2006-04-21 yes yes
619-635 T-Mobile EL CAJON 2015-01-23 yes yes
619-636 T-Mobile CHULAVISTA 2015-01-13 yes yes
619-637 IP HORIZON LLC PINEVALLEY – yes yes
619-638 T-Mobile CHULAVISTA 2006-01-06 yes yes
619-639 Onvoy LA MESA – yes yes
619-640 AT&T SNDG SNDG – – yes
619-641 AT&T SNDG SNDG – – yes
619-642 T-Mobile SNDG SNDG 2014-11-24 yes yes
619-643 Verizon SNDG SNDG 2015-02-20 yes yes
619-644 AT&T LA MESA – – yes
619-645 AT&T SNDG SNDG – – yes
619-646 AT&T CHULAVISTA 2006-08-09 yes yes
619-647 T-Mobile EL CAJON – yes yes
619-648 Onvoy LA MESA – yes yes
619-649 Verizon NATIONALCY 2001-01-25 yes yes
619-650 T-Mobile CHULAVISTA 2020-03-20 yes yes
619-651 Comcast CHULAVISTA – yes yes
619-652 AT&T SNDG SNDG – – yes
619-653 Lumen CHULAVISTA 2015-07-29 yes yes
619-654 T-Mobile EL CAJON 2001-10-18 yes yes
619-655 AT&T EL CAJON 2008-09-26 yes yes
619-656 AT&T CHULAVISTA – – yes
619-657 T-Mobile LA MESA 2021-02-25 yes yes
619-658 Bandwidth CAMPO 2015-08-24 yes yes
619-659 AT&T HARBSNALPN – yes yes
619-660 AT&T LA MESA – – yes
619-661 AT&T CHULAVISTA – – yes
619-662 AT&T CHULAVISTA – – yes
619-663 Bandwidth EL CAJON 2008-10-13 yes yes
619-664 Lumen SNDG SNDG – yes yes
619-665 T-Mobile SNDG SNDG – yes yes
619-666 T-Mobile SNDG SNDG – yes yes
619-667 AT&T LA MESA – – yes
619-668 AT&T LA MESA – – yes
619-669 AT&T LA MESA – yes yes
619-670 AT&T LA MESA – – yes
619-671 AT&T CHULAVISTA – – yes
619-672 Verizon EL CAJON 2002-07-17 – yes
619-673 AT&T SNDG SNDG – yes yes
619-674 AT&T SNDG SNDG 2006-04-21 yes yes
619-675 T-Mobile CORONADO 2002-03-21 yes yes
619-676 Lumen SNDG SNDG 2015-10-21 yes yes
619-677 Lumen SNDG SNDG 2006-04-12 yes yes
619-678 T-Mobile CHULAVISTA – yes yes
619-679 Verizon CHULAVISTA 2020-03-26 yes yes
619-680 AT&T SNDG SNDG – yes yes
619-681 AT&T SNDG SNDG – yes yes
619-682 AT&T SNDG SNDG – yes yes
619-683 AT&T SNDG SNDG – yes yes
619-684 Verizon SNDG SNDG 2006-07-26 yes yes
619-685 AT&T SNDG SNDG – – yes
619-686 AT&T SNDG SNDG – – yes
619-687 AT&T SNDG SNDG – yes yes
619-688 AT&T SNDG SNDG – – yes
619-689 AT&T EL CAJON 2020-07-28 yes yes
619-690 AT&T CHULAVISTA – yes yes
619-691 AT&T CHULAVISTA – – yes
619-692 AT&T SNDG SNDG – – yes
619-693 Peerless SNDG SNDG 2015-10-08 yes yes
619-694 AT&T SNDG SNDG 2006-04-21 yes yes
619-695 Onvoy SNDG SNDG 2016-10-27 yes yes
619-696 AT&T SNDG SNDG – – yes
619-697 AT&T LA MESA – – yes
619-698 AT&T LA MESA – – yes
619-699 AT&T SNDG SNDG – yes yes
619-701 AT&T SNDG SNDG 2001-04-24 yes yes
619-702 AT&T SNDG SNDG – – yes
619-703 T-Mobile CHULAVISTA 2019-08-13 yes yes
619-704 Onvoy SNDG SNDG – yes yes
619-705 CSC WIRELESS, LLC SNDG SNDG 2020-03-05 yes yes
619-706 T-Mobile CHULAVISTA 2020-08-13 yes yes
619-707 T-Mobile SNDG SNDG 2021-02-25 yes yes
619-708 AT&T SNDG SNDG – – yes
619-709 AT&T SNDG SNDG – – yes
619-710 AT&T CHULAVISTA – yes yes
619-712 AT&T CHULAVISTA 2020-08-18 yes yes
619-713 Comcast LA MESA – yes yes
619-714 Lumen SNDG SNDG 2021-03-25 yes yes
619-715 AT&T EL CAJON 2006-08-09 yes yes
619-716 T-Mobile EL CAJON 2020-10-15 yes yes
619-717 AT&T SNDG SNDG – yes yes
619-718 AT&T SNDG SNDG – yes yes
619-719 TPx SNDG SNDG – yes yes
619-720 Onvoy SNDG SNDG 2012-02-17 yes yes
619-721 AT&T CHULAVISTA 2008-03-11 yes yes
619-722 Comcast HARBSNALPN – yes yes
619-723 T-Mobile SNDG SNDG – yes yes
619-724 Onvoy LA MESA – yes yes
619-725 AT&T SNDG SNDG – yes yes
619-726 T-Mobile SNDG SNDG 2001-05-18 yes yes
619-727 UTILITY TELECOM GROUP, LLC - CA SNDG SNDG 2006-06-06 yes yes
619-728 Onvoy EL CAJON 2014-11-24 yes yes
619-729 AT&T EL CAJON 2001-06-25 – yes
619-730 Onvoy CHULAVISTA 2008-10-13 yes yes
619-731 AT&T NATIONALCY 2015-06-05 yes yes
619-732 Onvoy NATIONALCY – yes yes
619-733 Verizon EL CAJON – – yes
619-734 TPx CHULAVISTA – yes yes
619-735 Lumen CHULAVISTA 2008-11-06 yes yes
619-736 Bandwidth SNDG SNDG 2014-11-17 yes yes
619-737 AT&T CHULAVISTA – yes yes
619-738 Bandwidth SNDG SNDG 2015-03-25 yes yes
619-739 AT&T CHULAVISTA – yes yes
619-740 AT&T LA MESA – yes yes
619-741 Comcast LA MESA – yes yes
619-742 Verizon LA JOLLA – – yes
619-743 Verizon POWAY – – yes
619-744 AT&T SNDG SNDG – – yes
619-745 T-Mobile CHULAVISTA 2016-12-21 yes yes
619-746 AT&T CHULAVISTA 2006-08-23 yes yes
619-747 NORTH COUNTY COMMUNICATION CORPORATION - CA JACUMBA – – yes
619-748 T-Mobile CHULAVISTA 2015-05-04 yes yes
619-749 Comcast EL CAJON – yes yes
619-750 T-Mobile LA MESA – yes yes
619-751 T-Mobile CHULAVISTA 2015-09-16 yes yes
619-752 Bandwidth SNDG SNDG 2009-04-28 yes yes
619-753 Verizon SNDG SNDG 2014-12-11 yes yes
619-754 Comcast CHULAVISTA – yes yes
619-755 AT&T CHULAVISTA 2009-06-02 yes yes
619-756 Comcast SNDG SNDG – yes yes
619-757 Verizon SNDG SNDG – yes yes
619-758 AT&T SNDG SNDG – yes yes
619-759 T-Mobile CHULAVISTA 2020-11-03 yes yes
619-760 Lumen EL CAJON – yes yes
619-761 AT&T CHULAVISTA 2009-07-06 yes yes
619-762 T-Mobile CORONADO 2015-06-16 yes yes
619-763 Lumen CHULAVISTA 2016-01-05 yes yes
619-764 T-Mobile SNDG SNDG – yes yes
619-765 Onvoy NATIONALCY – yes yes
619-766 AT&T JACUMBA – yes yes
619-767 AT&T SNDG SNDG – yes yes
619-768 Onvoy EL CAJON – yes yes
619-769 AT&T CHULAVISTA 2020-12-09 yes yes
619-770 AT&T SNDG SNDG – yes yes
619-771 Onvoy LA MESA 2016-09-07 yes yes
619-772 T-Mobile LA MESA – yes yes
619-773 TPx NATIONALCY – yes yes
619-774 NORTH COUNTY COMMUNICATION CORPORATION - CA DULZURA – – yes
619-775 Onvoy CORONADO 2016-10-10 yes yes
619-776 AT&T LA MESA 2020-07-06 yes yes
619-777 Bandwidth CHULAVISTA – yes yes
619-778 T-Mobile SNDG SNDG – yes yes
619-779 AT&T CHULAVISTA 2009-07-06 yes yes
619-780 Lumen SNDG SNDG 2013-05-02 yes yes
619-781 Lumen CHULAVISTA – yes yes
619-782 Onvoy SNDG SNDG 2016-02-03 yes yes
619-783 Comcast SNDG SNDG – – yes
619-784 T-Mobile LA MESA – yes yes
619-785 AT&T SNDG SNDG – yes yes
619-786 Bandwidth SNDG SNDG 2010-11-11 yes yes
619-787 Verizon SNDG SNDG – – yes
619-788 Lumen SNDG SNDG – yes yes
619-789 Onvoy NATIONALCY – yes yes
619-790 Bandwidth PINEVALLEY – yes yes
619-791 AT&T NATIONALCY – yes yes
619-792 Verizon EL CAJON 2006-06-16 yes yes
619-793 T-Mobile SNDG SNDG 2005-02-02 yes yes
619-794 T-Mobile SNDG SNDG – yes yes
619-795 Comcast SNDG SNDG – yes yes
619-796 AT&T CHULAVISTA 2009-07-06 yes yes
619-797 TPx LA MESA – yes yes
619-798 Verizon SNDG SNDG – yes yes
619-799 AT&T CHULAVISTA 2010-03-12 yes yes
619-800 Bandwidth SNDG SNDG – yes yes
619-801 33 WIRELESS INC. SNDG SNDG – – yes
619-802 Verizon NATIONALCY 2010-11-24 yes yes
619-803 TPx SNDG SNDG 2022-05-26 yes yes
619-804 T-Mobile SNDG SNDG – yes yes
619-805 T-Mobile CORONADO – yes yes
619-806 AT&T SNDG SNDG 2001-04-24 yes yes
619-807 T-Mobile SNDG SNDG – yes yes
619-808 AT&T SNDG SNDG – yes yes
619-809 American Messaging SNDG SNDG – – yes
619-810 Verizon SNDG SNDG 2010-11-24 yes yes
619-812 TPx LA JOLLA 2022-05-26 yes yes
619-813 AT&T SNDG SNDG – – yes
619-814 TPx SNDG SNDG – – yes
619-815 Onvoy CHULAVISTA 2022-07-06 yes yes
619-816 Verizon CHULAVISTA 2009-09-24 yes yes
619-817 AT&T SNDG SNDG – yes yes
619-818 Verizon SNDG SNDG – – yes
619-819 Windstream SNDG SNDG – – yes
619-820 Verizon EL CAJON – – yes
619-821 Lumen SNDG SNDG 2010-12-15 yes yes
619-822 T-Mobile SNDG SNDG – yes yes
619-823 Verizon SNDG SNDG – – yes
619-824 SKYE TELECOM LLC DBA SKYETEL CAMPO – yes yes
619-825 Comcast LA MESA – yes yes
619-826 AT&T DULZURA 2011-06-20 yes yes
619-827 TPx CHULAVISTA – yes yes
619-828 Verizon LA MESA – yes yes
619-829 T-Mobile NATIONALCY – yes yes
619-830 T-Mobile CHULAVISTA 2016-12-01 yes yes
619-831 T-Mobile SNDG SNDG 2013-10-25 yes yes
619-832 Onvoy LA MESA 2015-06-23 yes yes
619-833 Onvoy JACUMBA 2016-09-21 yes yes
619-834 AT&T EL CAJON 2020-11-12 yes yes
619-835 NORTH COUNTY COMMUNICATION CORPORATION - CA SNDG SNDG – – yes
619-836 Bandwidth CHULAVISTA 2013-10-17 yes yes
619-837 IP HORIZON LLC SNDG SNDG 2020-11-25 yes yes
619-838 Verizon SNDG SNDG – – yes
619-839 Onvoy SNDG SNDG – yes yes
619-840 Verizon SNDG SNDG – – yes
619-841 TPx CORONADO – yes yes
619-842 Onvoy PINEVALLEY – yes yes
619-843 T-Mobile SNDG SNDG – yes yes
619-844 Comcast SNDG SNDG – yes yes
619-845 AT&T CHULAVISTA 2020-10-22 yes yes
619-846 T-Mobile SNDG SNDG – yes yes
619-847 T-Mobile SNDG SNDG – yes yes
619-848 Lumen DEL MAR 2022-01-24 yes yes
619-849 AT&T SNDG SNDG – yes yes
619-850 AT&T SNDG SNDG – – yes
619-851 Verizon SNDG SNDG – – yes
619-852 T-Mobile CHULAVISTA – yes yes
619-853 T-Mobile CHULAVISTA 2022-07-14 yes yes
619-854 Lumen SNDG SNDG 2020-04-07 yes yes
619-855 AT&T SNDG SNDG 2001-04-24 – yes
619-856 T-Mobile NATIONALCY – yes yes
619-857 Verizon SNDG SNDG – – yes
619-858 Verizon SNDG SNDG – – yes
619-859 Verizon LA MESA 2020-12-14 yes yes
619-860 Charter SNDG SNDG 2019-05-20 yes yes
619-861 AT&T SNDG SNDG – – yes
619-862 Verizon CHULAVISTA 2006-09-25 yes yes
619-863 IP HORIZON LLC CHULAVISTA – yes yes
619-864 T-Mobile CHULAVISTA – yes yes
619-865 T-Mobile CORONADO – yes yes
619-866 Verizon SNDG SNDG – yes yes
619-867 T-Mobile LA MESA – yes yes
619-868 NORTH COUNTY COMMUNICATION CORPORATION - CA CAMPO – – yes
619-869 Verizon CHULAVISTA 2005-08-03 yes yes
619-870 Lumen CHULAVISTA 2010-06-04 yes yes
619-871 Verizon SNDG SNDG – – yes
619-872 Verizon CHULAVISTA – yes yes
619-873 TPx EL CAJON – yes yes
619-874 Verizon CHULAVISTA 2015-01-16 yes yes
619-875 AT&T EL CAJON 2020-11-12 yes yes
619-876 Verizon SNDG SNDG 2006-06-06 yes yes
619-877 FRACTEL, LLC SNDG MRMS 2019-03-19 yes yes
619-878 Verizon CORONADO – yes yes
619-879 AT&T CHULAVISTA 2020-11-27 yes yes
619-880 Bandwidth SNDG SNDG – yes yes
619-881 Verizon SNDG SNDG – yes yes
619-882 T-Mobile CHULAVISTA 2014-02-21 yes yes
619-883 AT&T CHULAVISTA 2020-12-16 yes yes
619-884 Verizon SNDG SNDG – – yes
619-885 AT&T SNDG SNDG 2001-04-24 – yes
619-886 T-Mobile SNDG SNDG – yes yes
619-887 AT&T SNDG SNDG 2001-04-24 yes yes
619-888 AT&T SNDG SNDG 2001-04-24 – yes
619-889 Verizon SNDG SNDG – – yes
619-890 Verizon SNDG SNDG – – yes
619-891 AT&T EL CAJON 2020-12-16 yes yes
619-892 AT&T SNDG SNDG 2001-04-24 yes yes
619-893 Spok SNDG SNDG – – yes
619-894 AT&T SNDG SNDG 2001-04-24 yes yes
619-895 AT&T SNDG SNDG 2001-04-24 – yes
619-896 Spok SNDG SNDG – – yes
619-897 Lumen CHULAVISTA 2021-02-28 yes yes
619-898 Spok SNDG SNDG – – yes
619-899 Spok SNDG SNDG – – yes
619-900 Bandwidth NATIONALCY – yes yes
619-901 AT&T EL CAJON 2020-12-16 yes yes
619-902 T-Mobile CHULAVISTA 2021-01-08 yes yes
619-903 T-Mobile EL CAJON 2024-02-29 yes yes
619-904 T-Mobile CHULAVISTA 2021-02-24 yes yes
619-905 AT&T EL CAJON 2006-09-18 yes yes
619-906 AT&T SNDG SNDG – yes yes
619-907 T-Mobile SNDG SNDG 2021-03-17 yes yes
619-908 AT&T SNDG SNDG – yes yes
619-909 COMMIO, LLC SNDG SNDG 2017-03-29 yes yes
619-910 Onvoy NATIONALCY 2024-03-11 yes yes
619-912 Onvoy EL CAJON 2024-03-14 yes yes
619-913 AT&T SNDG SNDG 2001-04-24 yes yes
619-914 Bandwidth HARBSNALPN 2021-03-01 yes yes
619-915 Peerless SNDG SNDG – yes yes
619-916 Verizon LA MESA – yes yes
619-917 AT&T SNDG SNDG – – yes
619-918 T-Mobile NATIONALCY 2021-03-04 yes yes
619-919 AT&T NATIONALCY 2014-10-27 yes yes
619-920 AT&T SNDG SNDG – – yes
619-921 T-Mobile SNDG SNDG – yes yes
619-922 Verizon EL CAJON – – yes
619-923 Onvoy SNDG SNDG – – yes
619-924 Peerless SNDG SNDG 2010-02-24 yes yes
619-925 AT&T SNDG SNDG 2001-04-24 – yes
619-926 American Messaging SNDG SNDG – – yes
619-927 Onvoy CHULAVISTA 2021-01-22 yes yes
619-928 Lumen LA MESA – yes yes
619-929 Lumen SNDG SNDG – yes yes
619-930 T-Mobile SNDG SNDG 2013-05-24 yes yes
619-931 Verizon NATIONALCY – yes yes
619-932 FRACTEL, LLC CHULAVISTA 2019-03-19 yes yes
619-933 Verizon EL CAJON – – yes
619-934 Comcast CHULAVISTA – yes yes
619-935 Lumen SNDG SNDG 2024-03-19 yes yes
619-936 Verizon CHULAVISTA 2021-07-20 yes yes
619-937 Verizon EL CAJON – yes yes
619-938 AT&T EL CAJON – yes yes
619-939 T-Mobile CHULAVISTA 2021-05-21 yes yes
619-940 Bandwidth SNDG SNDG – yes yes
619-941 Lumen CHULAVISTA – yes yes
619-942 Verizon CHULAVISTA 2007-08-17 yes yes
619-943 T-Mobile CHULAVISTA 2021-10-29 yes yes
619-944 AT&T SNDG SNDG – – yes
619-945 Comcast LA MESA 2021-06-04 yes yes
619-946 Verizon CHULAVISTA – yes yes
619-947 AT&T CHULAVISTA 2006-01-24 yes yes
619-948 AT&T CHULAVISTA – – yes
619-949 T-Mobile CHULAVISTA 2021-08-23 yes yes
619-951 T-Mobile LA MESA 2021-09-13 yes yes
619-952 Verizon SNDG SNDG – yes yes
619-953 T-Mobile LA JOLLA 2021-10-26 yes yes
619-954 T-Mobile SNDG SNDG – yes yes
619-955 Verizon SNDG SNDG – yes yes
619-956 AT&T EL CAJON – yes yes
619-957 AT&T SNDG SNDG – – yes
619-960 Onvoy CHULAVISTA 2024-03-19 yes yes
619-961 TPx SNDG SNDG – yes yes
619-962 AT&T NATIONALCY – – yes
619-963 Lumen SNDG SNDG 2021-09-17 yes yes
619-964 Verizon SNDG SNDG 2005-10-11 yes yes
619-965 American Messaging SNDG SNDG – – yes
619-966 Onvoy EL CAJON – yes yes
619-967 T-Mobile NATIONALCY 2021-09-22 yes yes
619-968 LEAP TELECOM, LLC SNDG SNDG 2026-06-10 yes no
619-969 Spok SNDG SNDG – – yes
619-970 Spok SNDG SNDG – – yes
619-971 Verizon EL CAJON – – yes
619-972 Verizon SNDG SNDG – – yes
619-973 Spok SNDG SNDG – – yes
619-974 T-Mobile CHULAVISTA 2021-12-10 yes yes
619-975 AT&T DULZURA 2021-12-09 yes yes
619-976 NORTH COUNTY COMMUNICATION CORPORATION - CA SNDG SNDG 2011-06-08 – yes
619-977 Verizon SNDG SNDG – – yes
619-978 Spok SNDG SNDG – – yes
619-979 Spok SNDG SNDG – – yes
619-980 Verizon SNDG SNDG – – yes
619-981 AT&T SNDG SNDG 2001-04-24 yes yes
619-982 Spok SNDG SNDG – – yes
619-983 T-Mobile LA MESA 2022-01-14 yes yes
619-984 Verizon SNDG SNDG 2022-01-19 yes yes
619-985 Verizon SNDG SNDG – – yes
619-986 T-Mobile CHULAVISTA 2024-03-26 yes yes
619-987 Verizon SNDG SNDG – – yes
619-988 AT&T SNDG SNDG 2001-04-24 – yes
619-989 Spok SNDG SNDG – – yes
619-990 Verizon SNDG SNDG – – yes
619-991 AT&T SNDG SNDG 2001-04-24 – yes
619-992 Verizon SNDG SNDG – – yes
619-993 Verizon SNDG SNDG – – yes
619-994 Verizon SNDG SNDG – – yes
619-995 AT&T SNDG SNDG 2001-04-24 – yes
619-996 Onvoy CORONADO – yes yes
619-997 Verizon SNDG SNDG – – yes
619-998 Spok SNDG SNDG – – yes
619-999 WIDE VOICE, LLC - CA RNCHOSANFE 2024-08-29 yes yes

Frequently asked

How many prefixes does area code 619 have?

785 NXX blocks are assigned of 786 possible. Each block is 10,000 consecutive numbers, so the code currently covers about 7,850 thousand-number ranges across 17 rate centers.

What do the first three digits after 619 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 619 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 619 table?

That the block is in thousands-block pooling: carriers draw 1,000-number lots from it instead of taking all 10,000. 522 of 619'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.

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