All assignees
800 prefixes in 330 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 330-500 | CANTON | 6534 | 2023-08-17 | Yes |
| 330-501 | YOUNGSTOWN | 6534 | — | — |
| 330-502 | YOUNGSTOWN | 6534 | — | — |
| 330-503 | YOUNGSTOWN | 6534 | — | — |
| 330-504 | AKRON | 9748 | — | — |
| 330-505 | NILES | 9321 | — | Yes |
| 330-506 | YOUNGSTOWN | 6534 | — | — |
| 330-507 | YOUNGSTOWN | 6534 | — | — |
| 330-508 | CANTON | 9748 | — | — |
| 330-509 | YOUNGSTOWN | 6534 | — | Yes |
| 330-510 | AKRON | 6025 | — | Yes |
| 330-511 | XXXXXXXXXX | MULT | — | — |
| 330-512 | ALLIANCE | 9748 | — | — |
| 330-513 | KENT | 9748 | — | — |
| 330-514 | MASSILLON | 9748 | — | — |
| 330-515 | AKRON | 9321 | — | Yes |
| 330-516 | DALTON | 4863 | — | Yes |
| 330-517 | GREENSBURG | 4863 | — | Yes |
| 330-518 | YOUNGSTOWN | 6529 | — | Yes |
| 330-519 | YOUNGSTOWN | 6529 | — | Yes |
| 330-520 | MARSHALLVL | 7836 | 2005-01-25 | Yes |
| 330-521 | MILLERSBG | 508J | — | Yes |
| 330-522 | MINERVA | 793K | — | Yes |
| 330-523 | RICHFIELD | 0666 | 2002-07-08 | Yes |
| 330-524 | AKRON | 6534 | — | — |
| 330-525 | NOGEORGETN | 0615 | — | Yes |
| 330-526 | NO CANTON | 829J | — | Yes |
| 330-527 | GARRETTSVL | 0615 | — | Yes |
| 330-528 | NORTHFIELD | 0666 | — | Yes |
| 330-529 | MANCHESTR | 829J | — | Yes |
| 330-530 | GIRARD | 9321 | — | Yes |
| 330-531 | YOUNGSTOWN | 6534 | — | Yes |
| 330-532 | WELLSVILLE | 9321 | — | Yes |
| 330-533 | CANFIELD | 9321 | — | — |
| 330-534 | HUBBARD | 9321 | — | — |
| 330-535 | AKRON | 9321 | — | — |
| 330-536 | LOWELLVL | 9321 | — | Yes |
| 330-537 | DAMASCUS | 0661 | — | Yes |
| 330-538 | NO JACKSON | 9321 | — | Yes |
| 330-539 | GIRARD | 9321 | — | Yes |
| 330-540 | YOUNGSTOWN | 6534 | — | — |
| 330-541 | KENT | 6529 | 2001-03-20 | Yes |
| 330-542 | NORTH LIMA | 9321 | — | Yes |
| 330-543 | AKRON | 9321 | — | — |
| 330-544 | NILES | 9321 | — | — |
| 330-545 | GIRARD | 9321 | — | — |
| 330-546 | CANTON | 793K | 2005-07-11 | Yes |
| 330-547 | BERLIN CTR | 0661 | — | Yes |
| 330-548 | KENT | 829J | — | Yes |
| 330-549 | NORTH LIMA | 9321 | — | Yes |
| 330-550 | YOUNGSTOWN | 6534 | — | — |
| 330-551 | HARTVILLE | 464C | — | Yes |
| 330-552 | KENT | 4863 | — | Yes |
| 330-553 | WARREN | 6529 | — | Yes |
| 330-554 | KENT | 6529 | — | Yes |
| 330-555 | DIR ASST | MULT | — | — |
| 330-556 | NEWPHLDLPH | 4863 | 2002-07-23 | Yes |
| 330-557 | LAKEMILTON | 6534 | 2002-07-17 | Yes |
| 330-558 | BRUNSWICK | 0615 | 2001-06-06 | Yes |
| 330-559 | YOUNGSTOWN | 6529 | — | Yes |
| 330-560 | AKRON | 9748 | — | — |
| 330-561 | AKRON | 9748 | — | — |
| 330-562 | AURORA | 0666 | — | — |
| 330-563 | GREENSBURG | 829J | — | Yes |
| 330-564 | AKRON | 829J | — | Yes |
| 330-565 | YOUNGSTOWN | 6534 | — | — |
| 330-566 | CANTON | 9748 | — | — |
| 330-567 | SHREVE | 0661 | — | Yes |
| 330-568 | HUBBARD | 9321 | — | Yes |
| 330-569 | HIRAM | 0666 | — | Yes |
| 330-570 | KENT | 9748 | — | — |
| 330-571 | AKRON | 6025 | — | — |
| 330-572 | AKRON | 4863 | — | Yes |
| 330-573 | AKRON | 6529 | — | Yes |
| 330-574 | NILES | 7421 | 2002-11-12 | Yes |
| 330-575 | CANTON | 6025 | — | — |
| 330-576 | MONTROSE | 4863 | — | Yes |
| 330-577 | RAVENNA | 829J | — | Yes |
| 330-578 | ROOTSTOWN | 829J | — | Yes |
| 330-579 | MASSILLON | 9748 | — | — |
| 330-580 | CANTON | 9321 | — | — |
| 330-581 | ALLIANCE | 6529 | — | Yes |
| 330-582 | DELLROY | 732J | 2022-10-28 | Yes |
| 330-583 | GREENE | 0661 | — | Yes |
| 330-584 | NO BENTON | 0661 | — | Yes |
| 330-585 | ALLIANCE | 9748 | — | — |
| 330-586 | MANTUA | 6534 | 2022-12-05 | Yes |
| 330-587 | HARTVILLE | 829J | — | Yes |
| 330-588 | CANTON | 9321 | — | Yes |
| 330-589 | NILES | 9748 | — | — |
| 330-590 | SHARON CTR | 6025 | — | Yes |
| 330-591 | MEDINA | 4863 | 2002-07-23 | Yes |
| 330-592 | AKRON | 6025 | — | — |
| 330-593 | KENT | 4863 | — | Yes |
| 330-594 | MOGADORE | 829J | — | Yes |
| 330-595 | UNIONTOWN | 829J | — | Yes |
| 330-596 | ALLIANCE | 9321 | — | Yes |
| 330-597 | ATWATER | 829J | — | Yes |
| 330-598 | MONTROSE | 7443 | — | Yes |
| 330-599 | YOUNGSTOWN | 9321 | 2001-06-27 | 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.