All assignees
510 prefixes in 219 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 219-300 | LOWELL | 318J | 2015-03-27 | Yes |
| 219-301 | HIGHLAND | 516C | 2014-07-08 | Yes |
| 219-302 | GARY | 6725 | 2012-09-21 | Yes |
| 219-303 | CEDAR LAKE | 6725 | 2014-06-18 | Yes |
| 219-304 | WESTVILLE | 508J | 2014-04-10 | Yes |
| 219-305 | LKSFRSSONS | 318J | — | Yes |
| 219-306 | CROWNPOINT | 6529 | 2002-04-30 | Yes |
| 219-307 | VALPARAISO | 6725 | 2012-10-10 | Yes |
| 219-308 | CROWNPOINT | 6529 | 2001-05-31 | Yes |
| 219-309 | VALPARAISO | 6529 | 2001-05-31 | Yes |
| 219-310 | CROWNPOINT | 4803 | 2001-10-09 | Yes |
| 219-311 | XXXXXXXXXX | MULT | — | — |
| 219-312 | VALPARAISO | 097D | 2019-02-20 | Yes |
| 219-313 | GARY | 6529 | 2002-04-11 | Yes |
| 219-314 | GARY | 6725 | — | — |
| 219-315 | E CHICAGO | 6529 | 2013-05-28 | Yes |
| 219-316 | E CHICAGO | 6529 | 2013-05-28 | Yes |
| 219-318 | GARY | 6529 | 2014-03-03 | Yes |
| 219-319 | DYER | 6725 | 2015-04-09 | Yes |
| 219-320 | WHITING | 6725 | 2014-04-11 | Yes |
| 219-321 | GARY | 6529 | 2012-10-01 | Yes |
| 219-322 | DYER | 9325 | — | — |
| 219-323 | CROWNPOINT | 6529 | 2013-01-17 | Yes |
| 219-324 | LA PORTE | 0772 | — | — |
| 219-325 | LA PORTE | 0772 | — | — |
| 219-326 | LA PORTE | 0772 | — | — |
| 219-327 | LOWELL | 097D | 2019-09-30 | Yes |
| 219-328 | KOUTS | 490J | 2023-04-27 | Yes |
| 219-329 | VALPARAISO | 6725 | 2023-01-03 | Yes |
| 219-330 | SAN PIERRE | 4117 | 2004-03-09 | Yes |
| 219-331 | PORTAGE | 6529 | — | Yes |
| 219-332 | LOWELL | 097D | 2023-05-19 | Yes |
| 219-333 | CROWNPOINT | 097D | 2015-08-17 | Yes |
| 219-334 | CROWNPOINT | 6529 | 2015-08-31 | Yes |
| 219-335 | FRANCESVL | 4117 | 2004-03-09 | Yes |
| 219-336 | MICHIGANCY | 097D | 2016-03-07 | Yes |
| 219-337 | MERRILLVL | 097D | 2023-06-22 | Yes |
| 219-338 | CEDAR LAKE | 097D | 2023-06-22 | Yes |
| 219-339 | HAMMOND | 097D | 2023-07-12 | Yes |
| 219-340 | MEDARYVL | 097D | 2023-07-13 | Yes |
| 219-341 | E CHICAGO | 6529 | 2023-07-26 | Yes |
| 219-342 | WESTVILLE | 965H | 2020-08-25 | Yes |
| 219-343 | GARY | 6534 | 2023-08-22 | Yes |
| 219-344 | LA PORTE | 6725 | 2011-03-10 | Yes |
| 219-345 | ROSELAWN | 0800 | — | — |
| 219-346 | LA PORTE | 097D | 2023-08-31 | Yes |
| 219-347 | ROLLNGPRRI | 939H | 2023-09-12 | Yes |
| 219-348 | WHITING | 965H | 2019-03-15 | Yes |
| 219-349 | MERRILLVL | 6534 | 2023-11-29 | Yes |
| 219-350 | PORTAGE | 6529 | 2023-12-13 | Yes |
| 219-351 | ST JOHN | 105F | 2015-01-28 | Yes |
| 219-352 | HIGHLAND | 097D | 2023-12-28 | Yes |
| 219-353 | VALPARAISO | 097D | 2023-12-28 | Yes |
| 219-354 | E CHICAGO | 460K | 2002-04-16 | Yes |
| 219-355 | UNIONMILLS | 965H | 2020-08-25 | Yes |
| 219-356 | CROWNPOINT | 965H | 2019-03-15 | Yes |
| 219-357 | ST JOHN | 097D | 2024-01-02 | Yes |
| 219-358 | HOBART | 506J | 2024-01-02 | Yes |
| 219-359 | GARY | 6529 | 2008-10-06 | Yes |
| 219-360 | DYER | 097D | 2024-01-02 | Yes |
| 219-361 | CROWNPOINT | 097D | 2024-01-02 | Yes |
| 219-362 | LA PORTE | 0772 | — | — |
| 219-363 | LA PORTE | 6725 | — | — |
| 219-364 | WHEELER | 0772 | — | Yes |
| 219-365 | ST JOHN | 9325 | — | — |
| 219-366 | GARY | 6725 | 2024-01-18 | Yes |
| 219-367 | MICHIGANCY | 6725 | 2024-02-08 | Yes |
| 219-368 | HAMMOND | 6529 | 2024-02-09 | Yes |
| 219-369 | LA PORTE | 0772 | — | Yes |
| 219-370 | WHITING | 105F | 2010-08-20 | Yes |
| 219-371 | HEBRON | 6529 | 2024-02-09 | Yes |
| 219-372 | WHITING | 097D | 2024-02-21 | Yes |
| 219-373 | CROWNPOINT | 516J | 2022-03-01 | Yes |
| 219-374 | CEDAR LAKE | 9325 | — | Yes |
| 219-375 | MERRILLVL | 097D | 2024-02-29 | Yes |
| 219-376 | GARY | 6534 | 2024-03-15 | Yes |
| 219-377 | E CHICAGO | 6529 | 2024-04-30 | Yes |
| 219-378 | E CHICAGO | 9325 | — | Yes |
| 219-379 | LA PORTE | 4117 | — | Yes |
| 219-380 | LA PORTE | 5562 | 2002-06-26 | Yes |
| 219-381 | MERRILLVL | 6534 | 2002-02-27 | Yes |
| 219-382 | MERRILLVL | 6534 | 2024-06-11 | Yes |
| 219-383 | MERRILLVL | 6534 | 2024-06-26 | Yes |
| 219-384 | GARY | 6725 | — | — |
| 219-385 | HAMMOND | 6529 | 2024-08-21 | Yes |
| 219-386 | VALPARAISO | 6534 | 2014-10-15 | Yes |
| 219-387 | MERRILLVL | 6534 | 2024-08-30 | Yes |
| 219-388 | WHEELER | 965H | 2020-08-25 | Yes |
| 219-389 | PORTAGE | 6529 | 2024-09-09 | Yes |
| 219-390 | CEDAR LAKE | 4803 | 2002-04-16 | Yes |
| 219-391 | E CHICAGO | 9325 | — | — |
| 219-392 | E CHICAGO | 9325 | — | Yes |
| 219-393 | LA PORTE | 0772 | — | Yes |
| 219-394 | MOUNT AYR | 0800 | — | — |
| 219-395 | CHESTERTON | 0772 | — | Yes |
| 219-396 | MERRILLVL | 6534 | 2024-12-02 | Yes |
| 219-397 | E CHICAGO | 9325 | — | — |
| 219-398 | E CHICAGO | 9325 | — | Yes |
| 219-399 | E CHICAGO | 9325 | — | — |
| 219-400 | HOBART | 105F | 2015-10-15 | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.