All assignees
800 prefixes in 347 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 347-300 | NWYRCYZN06 | 5562 | 2010-04-23 | Yes |
| 347-301 | NWYRCYZN04 | 4036 | 2005-05-17 | Yes |
| 347-302 | NWYRCYZN04 | 4036 | 2005-05-17 | Yes |
| 347-303 | NWYRCYZN08 | 5562 | 2009-10-16 | Yes |
| 347-304 | NWYRCYZN06 | 6959 | 2010-03-10 | Yes |
| 347-305 | NWYRCYZN06 | 612K | 2010-03-11 | Yes |
| 347-306 | NWYRCYZN13 | 6959 | 2001-03-20 | Yes |
| 347-307 | NWYRCYZN06 | 6622 | 2003-10-15 | Yes |
| 347-308 | NWYRCYZN15 | 6959 | 2006-06-07 | Yes |
| 347-309 | NWYRCYZN07 | 5562 | 2010-03-11 | Yes |
| 347-310 | NWYRCYZN03 | 5562 | 2010-03-17 | Yes |
| 347-311 | XXXXXXXXXX | MULT | — | — |
| 347-312 | NWYRCYZN07 | 8526 | 2001-02-07 | Yes |
| 347-313 | NWYRCYZN03 | 5562 | 2010-03-19 | Yes |
| 347-314 | NWYRCYZN06 | 5562 | 2010-03-22 | Yes |
| 347-315 | NWYRCYZN06 | 997E | 2022-09-26 | Yes |
| 347-316 | NWYRCYZN03 | 5562 | 2010-03-30 | Yes |
| 347-317 | NWYRCYZN03 | 5562 | 2010-04-26 | Yes |
| 347-318 | NWYRCYZN06 | 612K | 2010-04-30 | Yes |
| 347-319 | NWYRCYZN11 | 5562 | 2010-05-03 | Yes |
| 347-320 | NWYRCYZN06 | 6622 | 2006-12-29 | Yes |
| 347-321 | NWYRCYZN11 | 4006 | — | Yes |
| 347-322 | NWYRCYZN14 | 4036 | 2007-02-28 | Yes |
| 347-323 | NWYRCYZN03 | 6622 | — | Yes |
| 347-324 | NWYRCYZN05 | 4036 | 2007-01-24 | Yes |
| 347-325 | NWYRCYZN07 | 4036 | 2005-06-22 | Yes |
| 347-326 | NWYRCYZN05 | 4036 | 2007-02-05 | Yes |
| 347-327 | NWYRCYZN05 | 4036 | 2007-02-05 | Yes |
| 347-328 | NWYRCYZN06 | 4006 | — | Yes |
| 347-329 | NWYRCYZN03 | 5562 | — | Yes |
| 347-330 | NWYRCYZN14 | 4036 | 2007-06-07 | Yes |
| 347-331 | NWYRCYZN05 | 4036 | 2007-10-25 | Yes |
| 347-332 | NWYRCYZN05 | 7133 | — | Yes |
| 347-333 | NWYRCYZN09 | 384C | — | — |
| 347-334 | NWYRCYZN05 | 4036 | 2008-01-11 | Yes |
| 347-335 | NWYRCYZN06 | 6622 | 2008-04-30 | Yes |
| 347-336 | NWYRCYZN10 | 5562 | 2010-05-03 | Yes |
| 347-337 | NWYRCYZN08 | 5562 | 2010-05-03 | Yes |
| 347-338 | NWYRCYZN05 | 6622 | 2008-04-29 | Yes |
| 347-339 | NWYRCYZN08 | 5562 | 2009-10-16 | Yes |
| 347-340 | NWYRCYZN03 | 5562 | 2010-05-07 | Yes |
| 347-341 | NWYRCYZN05 | 4006 | — | Yes |
| 347-342 | NWYRCYZN06 | 4006 | — | Yes |
| 347-343 | NWYRCYZN13 | 6959 | 2011-04-12 | Yes |
| 347-344 | NWYRCYZN03 | 5562 | 2010-05-18 | Yes |
| 347-345 | NWYRCYZN08 | 6622 | 2010-05-18 | Yes |
| 347-346 | NWYRCYZN05 | 6959 | 2006-12-19 | Yes |
| 347-347 | NWYRCYZN14 | 997E | 2022-10-03 | Yes |
| 347-348 | NWYRCYZN09 | 6622 | 2010-05-18 | Yes |
| 347-349 | NWYRCYZN14 | 6959 | 2010-09-10 | Yes |
| 347-350 | NWYRCYZN06 | 612K | 2004-09-23 | Yes |
| 347-351 | NWYRCYZN06 | 5562 | — | Yes |
| 347-352 | NWYRCYZN03 | 997E | 2010-05-24 | Yes |
| 347-353 | NWYRCYZN04 | 5562 | 2010-05-24 | Yes |
| 347-354 | NWYRCYZN08 | 997E | 2010-05-24 | Yes |
| 347-355 | NWYRCYZN08 | 5562 | 2010-06-01 | Yes |
| 347-356 | NWYRCYZN07 | 5562 | 2010-06-01 | Yes |
| 347-357 | NWYRCYZN11 | 5562 | 2010-06-01 | Yes |
| 347-358 | NWYRCYZN10 | 5562 | 2010-06-01 | Yes |
| 347-359 | NWYRCYZN07 | 5562 | 2010-06-01 | Yes |
| 347-360 | NWYRCYZN03 | 5562 | 2010-06-01 | Yes |
| 347-361 | NWYRCYZN08 | 5562 | 2010-06-24 | Yes |
| 347-362 | NWYRCYZN06 | 6622 | 2010-06-24 | Yes |
| 347-363 | NWYRCYZN09 | 6622 | 2010-06-17 | Yes |
| 347-364 | NWYRCYZN03 | 5562 | 2010-06-17 | Yes |
| 347-365 | NWYRCYZN06 | 612K | — | Yes |
| 347-366 | NWYRCYZN03 | 4036 | — | Yes |
| 347-367 | NWYRCYZN03 | 5562 | 2010-06-24 | Yes |
| 347-368 | NWYRCYZN09 | 7133 | — | Yes |
| 347-369 | NWYRCYZN06 | 6622 | 2008-04-30 | Yes |
| 347-370 | NWYRCYZN07 | 6622 | 2006-06-19 | Yes |
| 347-371 | NWYRCYZN07 | 4036 | 2006-04-14 | Yes |
| 347-372 | NWYRCYZN07 | 5562 | 2010-06-24 | Yes |
| 347-373 | NWYRCYZN03 | 5562 | 2010-07-02 | Yes |
| 347-374 | NWYRCYZN07 | 6959 | 2004-10-05 | Yes |
| 347-375 | NWYRCYZN03 | 5562 | 2010-07-02 | Yes |
| 347-376 | NWYRCYZN03 | 5562 | 2010-07-02 | Yes |
| 347-377 | NWYRCYZN07 | 997E | — | Yes |
| 347-378 | NWYRCYZN06 | 4006 | 2010-07-29 | Yes |
| 347-379 | NWYRCYZN09 | 6959 | 2010-09-10 | Yes |
| 347-380 | NWYRCYZN05 | 6959 | 2010-09-10 | Yes |
| 347-381 | NWYRCYZN06 | 829J | — | Yes |
| 347-382 | NWYRCYZN06 | 6959 | 2010-07-09 | Yes |
| 347-383 | NWYRCYZN06 | 6622 | 2010-07-12 | Yes |
| 347-384 | NWYRCYZN06 | 612K | 2010-08-26 | Yes |
| 347-385 | NWYRCYZN06 | 5562 | — | Yes |
| 347-386 | NWYRCYZN07 | 5562 | — | Yes |
| 347-387 | NWYRCYZN04 | 6622 | 2005-03-18 | Yes |
| 347-388 | NWYRCYZN06 | 6622 | 2010-07-12 | Yes |
| 347-389 | NWYRCYZN05 | 997E | 2010-10-04 | Yes |
| 347-390 | NWYRCYZN06 | 829J | — | — |
| 347-391 | NWYRCYZN03 | 4006 | 2010-07-13 | Yes |
| 347-392 | NWYRCYZN10 | 5562 | 2001-03-12 | Yes |
| 347-393 | NWYRCYZN08 | 6622 | — | Yes |
| 347-394 | NWYRCYZN07 | 829J | 2005-02-08 | Yes |
| 347-395 | NWYRCYZN12 | 5562 | 2010-07-13 | Yes |
| 347-396 | NWYRCYZN08 | 793K | — | Yes |
| 347-397 | NWYRCYZN06 | 6622 | 2010-07-12 | Yes |
| 347-398 | NWYRCYZN04 | 5562 | 2005-02-14 | Yes |
| 347-399 | NWYRCYZN09 | 6622 | 2009-02-17 | 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.