All assignees
613 prefixes in 612 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 612-301 | TWINCITIES | 8405 | — | — |
| 612-302 | TWINCITIES | 9631 | — | — |
| 612-303 | TWINCITIES | 9631 | — | — |
| 612-304 | TWINCITIES | 5312 | — | — |
| 612-305 | TWINCITIES | 9631 | — | Yes |
| 612-306 | TWINCITIES | 6701 | — | Yes |
| 612-307 | TWINCITIES | 9631 | — | — |
| 612-308 | TWINCITIES | 6534 | — | — |
| 612-309 | TWINCITIES | 6534 | — | — |
| 612-310 | TWINCITIES | 6701 | — | Yes |
| 612-311 | XXXXXXXXXX | MULT | — | — |
| 612-312 | TWINCITIES | 829J | — | Yes |
| 612-313 | TWINCITIES | 9631 | — | — |
| 612-314 | TWINCITIES | 184D | 2012-05-21 | Yes |
| 612-315 | TWINCITIES | 107F | 2012-03-21 | Yes |
| 612-316 | TWINCITIES | 9631 | — | — |
| 612-317 | TWINCITIES | 9631 | — | — |
| 612-318 | TWINCITIES | 9631 | — | — |
| 612-319 | TWINCITIES | 6630 | — | — |
| 612-320 | — | — | ||
| 612-321 | TWINCITIES | 9631 | — | Yes |
| 612-322 | TWINCITIES | 5816 | 2017-01-19 | Yes |
| 612-323 | TWINCITIES | 6701 | 2012-03-19 | Yes |
| 612-324 | TWINCITIES | 184D | 2017-09-01 | Yes |
| 612-325 | TWINCITIES | 6534 | — | — |
| 612-326 | TWINCITIES | 5256 | — | Yes |
| 612-327 | TWINCITIES | 6701 | — | Yes |
| 612-328 | TWINCITIES | 6701 | — | Yes |
| 612-329 | TWINCITIES | 9631 | — | Yes |
| 612-330 | TWINCITIES | 9631 | — | — |
| 612-331 | TWINCITIES | 9631 | — | — |
| 612-332 | TWINCITIES | 9631 | — | — |
| 612-333 | TWINCITIES | 9631 | — | — |
| 612-334 | TWINCITIES | 9631 | — | — |
| 612-335 | TWINCITIES | 9631 | — | — |
| 612-336 | TWINCITIES | 9631 | — | — |
| 612-337 | TWINCITIES | 9631 | — | — |
| 612-338 | TWINCITIES | 9631 | — | — |
| 612-339 | TWINCITIES | 9631 | — | — |
| 612-340 | TWINCITIES | 9631 | — | — |
| 612-341 | TWINCITIES | 9631 | — | — |
| 612-342 | TWINCITIES | 9631 | — | — |
| 612-343 | TWINCITIES | 9631 | — | — |
| 612-344 | TWINCITIES | 9631 | — | — |
| 612-345 | TWINCITIES | 184D | 2005-03-23 | Yes |
| 612-346 | TWINCITIES | 5816 | 2017-09-26 | Yes |
| 612-347 | TWINCITIES | 9631 | — | — |
| 612-348 | TWINCITIES | 9631 | — | — |
| 612-349 | TWINCITIES | 9631 | — | — |
| 612-350 | TWINCITIES | 9631 | — | — |
| 612-351 | TWINCITIES | 184D | 2013-01-11 | Yes |
| 612-352 | TWINCITIES | 9631 | 2013-06-21 | Yes |
| 612-353 | TWINCITIES | 2557 | 2005-04-19 | Yes |
| 612-354 | TWINCITIES | 7229 | — | Yes |
| 612-355 | TWINCITIES | 7229 | — | Yes |
| 612-356 | TWINCITIES | 6534 | — | Yes |
| 612-357 | TWINCITIES | 5816 | 2017-03-16 | Yes |
| 612-358 | TWINCITIES | 5562 | 2017-10-11 | Yes |
| 612-359 | TWINCITIES | 9631 | — | — |
| 612-360 | TWINCITIES | 5816 | — | Yes |
| 612-361 | TWINCITIES | 4139 | 2014-05-22 | Yes |
| 612-362 | TWINCITIES | 9631 | — | — |
| 612-363 | TWINCITIES | 6701 | — | Yes |
| 612-364 | TWINCITIES | 5816 | 2017-10-31 | Yes |
| 612-365 | TWINCITIES | 9631 | 2010-05-03 | Yes |
| 612-366 | TWINCITIES | 6701 | — | Yes |
| 612-367 | TWINCITIES | 7421 | — | Yes |
| 612-368 | TWINCITIES | 5816 | 2018-01-05 | Yes |
| 612-369 | TWINCITIES | 6701 | — | Yes |
| 612-370 | TWINCITIES | 9631 | — | — |
| 612-371 | TWINCITIES | 9631 | — | — |
| 612-372 | TWINCITIES | 9631 | — | — |
| 612-373 | TWINCITIES | 9631 | — | — |
| 612-374 | TWINCITIES | 9631 | — | — |
| 612-375 | TWINCITIES | 9631 | — | — |
| 612-376 | TWINCITIES | 9631 | — | — |
| 612-377 | TWINCITIES | 9631 | — | — |
| 612-378 | TWINCITIES | 9631 | — | — |
| 612-379 | TWINCITIES | 9631 | — | — |
| 612-380 | TWINCITIES | 6534 | 2018-01-15 | Yes |
| 612-381 | TWINCITIES | 9631 | — | Yes |
| 612-382 | TWINCITIES | 6701 | — | Yes |
| 612-383 | TWINCITIES | 6534 | 2018-01-15 | Yes |
| 612-384 | TWINCITIES | 6701 | — | Yes |
| 612-385 | TWINCITIES | 6701 | — | Yes |
| 612-386 | TWINCITIES | 6701 | — | Yes |
| 612-387 | TWINCITIES | 6701 | — | Yes |
| 612-388 | TWINCITIES | 6701 | — | Yes |
| 612-389 | TWINCITIES | 980E | 2018-03-30 | Yes |
| 612-390 | CAMBRIDGE | 5816 | — | — |
| 612-391 | TWINCITIES | 5816 | 2018-04-25 | Yes |
| 612-392 | TWINCITIES | 5256 | — | Yes |
| 612-393 | TWINCITIES | 6534 | 2018-05-31 | Yes |
| 612-394 | TWINCITIES | 5816 | 2018-06-13 | Yes |
| 612-395 | TWINCITIES | 9631 | — | Yes |
| 612-396 | TWINCITIES | 6701 | — | Yes |
| 612-397 | TWINCITIES | 9631 | — | — |
| 612-398 | TWINCITIES | 181J | 2018-06-27 | Yes |
| 612-399 | TWINCITIES | 9631 | — | Yes |
| 612-400 | TWINCITIES | 5816 | 2014-09-18 | 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.