All assignees
800 prefixes in 610 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 610-300 | PHOENIXVL | 3806 | 2001-03-21 | Yes |
| 610-301 | READING | 3806 | 2001-03-21 | Yes |
| 610-302 | BOYERTOWN | 8320 | 2007-04-30 | Yes |
| 610-303 | PHPHSBZN25 | 6630 | — | — |
| 610-304 | PHPHSBZN30 | 6392 | — | — |
| 610-305 | PHPHSBZN25 | 6630 | — | — |
| 610-306 | PHPHSBZN30 | 4036 | — | — |
| 610-307 | PHPHSBZN25 | 6630 | — | — |
| 610-308 | PHPHSBZN30 | 4036 | — | — |
| 610-309 | PHPHSBZN25 | 6630 | — | — |
| 610-310 | POTTSTOWN | 6392 | 2001-05-21 | — |
| 610-311 | XXXXXXXXXX | MULT | — | — |
| 610-312 | PHPHSBZN30 | 7434 | — | Yes |
| 610-313 | PHPHSBZN30 | 9208 | — | — |
| 610-314 | W CHESTER | 9208 | 2011-11-17 | Yes |
| 610-315 | PHPHSBZN25 | 6630 | — | — |
| 610-316 | PHPHSBZN30 | 4036 | — | — |
| 610-317 | BETHLEHEM | 9208 | — | — |
| 610-318 | PHPHSBZN12 | 6630 | — | — |
| 610-319 | PHPHSBZN13 | 6630 | — | — |
| 610-320 | READING | 9208 | — | Yes |
| 610-321 | EAGLE | 9208 | — | Yes |
| 610-322 | PHPHSBZN30 | 4036 | — | — |
| 610-323 | POTTSTOWN | 9208 | — | — |
| 610-324 | PHPHSBZN30 | 4036 | — | — |
| 610-325 | PHPHSBZN22 | 9208 | — | — |
| 610-326 | POTTSTOWN | 9208 | — | — |
| 610-327 | POTTSTOWN | 9208 | — | — |
| 610-328 | PHPHSBZN13 | 9208 | — | — |
| 610-329 | PHPHSBZN30 | 4036 | — | — |
| 610-330 | EASTON | 9208 | — | Yes |
| 610-331 | PHPHSBZN30 | 6392 | — | — |
| 610-332 | BETHLEHEM | 7229 | — | — |
| 610-333 | EASTON | 7309 | — | Yes |
| 610-334 | READING | 6392 | — | — |
| 610-335 | KENNETT SQ | 7309 | — | Yes |
| 610-336 | ALLENTOWN | 9208 | — | — |
| 610-337 | PHPHSBZN30 | 9208 | — | — |
| 610-338 | PHPHSBZN13 | 9208 | — | Yes |
| 610-339 | ALLENTOWN | 6630 | — | — |
| 610-340 | POTTSTOWN | 829J | 2005-02-01 | Yes |
| 610-341 | PHPHSBZN26 | 9208 | — | Yes |
| 610-342 | COLLEGEVL | 7309 | — | Yes |
| 610-343 | DOWNINGTN | 7309 | — | Yes |
| 610-344 | W CHESTER | 9208 | — | — |
| 610-345 | WEST GROVE | 9208 | — | Yes |
| 610-346 | SPRINGTOWN | 9208 | — | Yes |
| 610-347 | UNIONVILLE | 9208 | — | Yes |
| 610-348 | PHPHSBZN24 | 6626 | — | Yes |
| 610-349 | ALLENTOWN | 6392 | — | — |
| 610-350 | W CHESTER | 829J | — | Yes |
| 610-351 | ALLENTOWN | 7615 | — | — |
| 610-352 | PHPHSBZN17 | 9208 | — | — |
| 610-353 | PHPHSBZN22 | 9208 | — | — |
| 610-354 | PHPHSBZN30 | 9208 | — | — |
| 610-355 | PHPHSBZN22 | 9208 | — | Yes |
| 610-356 | PHPHSBZN22 | 9208 | — | — |
| 610-357 | PHPHSBZN10 | 6392 | — | — |
| 610-358 | PHPHSBZN10 | 9208 | — | — |
| 610-359 | PHPHSBZN22 | 9208 | — | — |
| 610-360 | BETHLEHEM | 6392 | — | — |
| 610-361 | PHPHSBZN10 | 9208 | — | — |
| 610-362 | PHPHSBZN14 | 9208 | — | Yes |
| 610-363 | EXTON | 9208 | — | — |
| 610-364 | PHPHSBZN11 | 9208 | — | Yes |
| 610-365 | NAZARETH | 7615 | — | Yes |
| 610-366 | ALLENTOWN | 9208 | — | — |
| 610-367 | BOYERTOWN | 0162 | — | — |
| 610-368 | PHPHSBZN10 | 6392 | — | — |
| 610-369 | BOYERTOWN | 0162 | — | — |
| 610-370 | READING | 9208 | — | Yes |
| 610-371 | READING | 9208 | — | Yes |
| 610-372 | READING | 9208 | — | — |
| 610-373 | READING | 9208 | — | — |
| 610-374 | READING | 9208 | — | — |
| 610-375 | READING | 9208 | — | — |
| 610-376 | READING | 9208 | — | — |
| 610-377 | LEHIGHTON | 9208 | — | — |
| 610-378 | READING | 9208 | — | — |
| 610-379 | LEHIGHTON | 9208 | — | Yes |
| 610-380 | COATESVL | 9208 | — | — |
| 610-381 | KUNKLETOWN | 0196 | — | — |
| 610-382 | PHPHSBZN30 | 7309 | — | Yes |
| 610-383 | COATESVL | 9208 | — | — |
| 610-384 | COATESVL | 9208 | — | — |
| 610-385 | DOUGLASSVL | 0162 | — | — |
| 610-386 | PHPHSBZN26 | 7309 | — | Yes |
| 610-387 | PHPHSBZN10 | 7309 | — | Yes |
| 610-388 | MENDENHALL | 9208 | — | — |
| 610-389 | PHPHSBZN30 | 6392 | — | — |
| 610-390 | ALLENTOWN | 4036 | — | — |
| 610-391 | ALLENTOWN | 9208 | — | Yes |
| 610-392 | ALLENTOWN | 4036 | — | — |
| 610-393 | ALLENTOWN | 4036 | — | — |
| 610-394 | PHPHSBZN17 | 9208 | — | Yes |
| 610-395 | ALLENTOWN | 9208 | — | — |
| 610-396 | READING | 9208 | — | Yes |
| 610-397 | PHPHSBZN31 | 9208 | — | Yes |
| 610-398 | ALLENTOWN | 9208 | — | — |
| 610-399 | WESTTOWN | 9208 | — | — |
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.