All assignees
800 prefixes in 484 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 484-300 | POTTSTOWN | 5562 | 2002-09-30 | Yes |
| 484-301 | WESTTOWN | 4007 | — | Yes |
| 484-302 | PHOENIXVL | 6626 | 2002-09-30 | Yes |
| 484-303 | WESTTOWN | 547E | — | Yes |
| 484-304 | TOPTON | 3806 | 2009-03-13 | Yes |
| 484-305 | UPBLCKEDDY | 8320 | — | Yes |
| 484-306 | RIEGELSVL | 073H | — | Yes |
| 484-307 | WESTTOWN | 7229 | — | Yes |
| 484-308 | RIEGELSVL | 8320 | — | Yes |
| 484-309 | UPBLCKEDDY | 829J | — | Yes |
| 484-310 | RIEGELSVL | 547E | — | — |
| 484-311 | XXXXXXXXXX | MULT | — | — |
| 484-312 | UPBLCKEDDY | 4007 | — | Yes |
| 484-313 | WESTTOWN | 547E | — | Yes |
| 484-314 | RIEGELSVL | 4007 | — | Yes |
| 484-315 | WESTTOWN | 547E | — | Yes |
| 484-316 | RIEGELSVL | 829J | — | Yes |
| 484-317 | GREENHILLS | 3806 | 2009-03-17 | Yes |
| 484-318 | PHPHSBZN28 | 6626 | 2002-09-27 | Yes |
| 484-319 | W CHESTER | 6626 | 2002-09-27 | Yes |
| 484-320 | PHPHSBZN28 | 7434 | — | Yes |
| 484-321 | PHPHSBZN28 | 002F | — | Yes |
| 484-322 | PHPHSBZN30 | 9208 | — | Yes |
| 484-323 | PHPHSBZN28 | 4007 | — | Yes |
| 484-324 | PHPHSBZN28 | 4007 | — | Yes |
| 484-325 | PHPHSBZN28 | 6626 | — | Yes |
| 484-326 | PHPHSBZN13 | 6626 | 2002-09-30 | Yes |
| 484-327 | PHPHSBZN28 | 829J | — | Yes |
| 484-328 | PHPHSBZN28 | 4007 | — | Yes |
| 484-329 | PHPHSBZN28 | 829J | — | Yes |
| 484-330 | SLATINGTON | 6626 | 2002-09-30 | Yes |
| 484-331 | READING | 4007 | — | Yes |
| 484-332 | READING | 6392 | — | — |
| 484-333 | READING | 6921 | — | — |
| 484-334 | READING | 4007 | — | Yes |
| 484-335 | READING | 4007 | — | Yes |
| 484-336 | READING | 4036 | — | Yes |
| 484-337 | PHPHSBZN25 | 4007 | — | Yes |
| 484-338 | READING | 9208 | — | Yes |
| 484-339 | READING | 547E | — | — |
| 484-340 | COATESVL | 4007 | — | Yes |
| 484-341 | EAGLE | 547E | — | Yes |
| 484-342 | PHPHSBZN31 | 829J | — | Yes |
| 484-343 | PHPHSBZN23 | 4036 | — | — |
| 484-344 | PHPHSBZN31 | 9208 | — | Yes |
| 484-345 | READING | 6392 | 2009-09-16 | Yes |
| 484-346 | EAGLE | 547E | — | Yes |
| 484-347 | ALLENTOWN | 6626 | 2001-07-24 | Yes |
| 484-348 | EAGLE | 829J | — | Yes |
| 484-349 | EAGLE | 547E | — | — |
| 484-350 | ALLENTOWN | 6626 | 2007-05-15 | Yes |
| 484-351 | PHPHSBZN31 | 7434 | — | Yes |
| 484-352 | PHPHSBZN10 | 829J | — | Yes |
| 484-353 | BETHLEHEM | 5562 | 2010-06-04 | Yes |
| 484-354 | W CHESTER | 4036 | 2001-10-11 | — |
| 484-355 | READING | 7434 | 2009-06-04 | Yes |
| 484-356 | W CHESTER | 9208 | — | Yes |
| 484-357 | ALLENTOWN | 6626 | 2001-05-24 | Yes |
| 484-358 | ALLENTOWN | 6626 | — | — |
| 484-359 | EAGLE | 4007 | — | Yes |
| 484-360 | BIRDSBORO | 0162 | 2016-07-14 | Yes |
| 484-361 | PHPHSBZN11 | 829J | — | Yes |
| 484-362 | PHPHSBZN31 | 4007 | 2001-03-06 | Yes |
| 484-363 | POTTSTOWN | 7615 | — | Yes |
| 484-364 | DOWNINGTN | 6626 | 2002-10-01 | Yes |
| 484-365 | OXFORD | 4007 | — | Yes |
| 484-366 | POTTSTOWN | 4036 | — | Yes |
| 484-367 | PHPHSBZN26 | 7434 | — | Yes |
| 484-368 | PHPHSBZN31 | 6626 | — | Yes |
| 484-369 | ROYERSFORD | 6626 | 2002-10-01 | Yes |
| 484-370 | PHPHSBZN30 | 318J | 2014-09-30 | Yes |
| 484-371 | KEMBLESVL | 4007 | — | Yes |
| 484-372 | KEMBLESVL | 829J | — | Yes |
| 484-373 | EASTON | 9208 | — | Yes |
| 484-374 | POTTSTOWN | 7513 | 2009-09-22 | Yes |
| 484-375 | ALLENTOWN | 7229 | — | Yes |
| 484-376 | KEMBLESVL | 829J | — | Yes |
| 484-377 | PHPHSBZN21 | 547E | — | Yes |
| 484-378 | COATESVL | 784E | 2009-04-03 | Yes |
| 484-379 | BETHLEHEM | 547E | 2015-12-16 | Yes |
| 484-380 | PHPHSBZN25 | 3806 | — | Yes |
| 484-381 | PHPHSBZN25 | 4007 | — | Yes |
| 484-382 | PHPHSBZN25 | 515J | — | Yes |
| 484-383 | PHPHSBZN25 | 4007 | — | Yes |
| 484-384 | PHPHSBZN25 | 829J | — | Yes |
| 484-385 | PHPHSBZN25 | 829J | — | Yes |
| 484-386 | PHPHSBZN25 | 829J | — | Yes |
| 484-387 | ALLENTOWN | 7615 | 2010-11-17 | Yes |
| 484-388 | READING | 6392 | 2008-05-09 | Yes |
| 484-389 | PHPHSBZN25 | 3806 | — | Yes |
| 484-390 | PHPHSBZN29 | 3806 | — | Yes |
| 484-391 | PHPHSBZN29 | 829J | — | Yes |
| 484-392 | PHPHSBZN29 | 3806 | — | Yes |
| 484-393 | PHPHSBZN29 | 7615 | — | Yes |
| 484-394 | PHPHSBZN29 | 4007 | — | Yes |
| 484-395 | PHPHSBZN28 | 829J | 2001-03-29 | Yes |
| 484-396 | PHPHSBZN29 | 507J | — | Yes |
| 484-397 | ALLENTOWN | 7229 | — | Yes |
| 484-398 | PHPHSBZN29 | 829J | — | Yes |
| 484-399 | PHPHSBZN29 | 7615 | — | 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.