All assignees
800 prefixes in 740 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 740-500 | CIRCLEVL | 6701 | 2010-12-09 | Yes |
| 740-501 | MT VERNON | 6025 | — | Yes |
| 740-502 | COSHOCTON | 6025 | — | — |
| 740-503 | LANCASTER | 6025 | — | — |
| 740-504 | MT VERNON | 6025 | — | — |
| 740-505 | WSNGTNCTHS | 6025 | — | — |
| 740-506 | LONDON | 6025 | — | Yes |
| 740-507 | MT VERNON | 6025 | 2001-01-10 | — |
| 740-508 | POMEROY | 6025 | 2003-08-22 | Yes |
| 740-509 | CALDWELL | 6025 | 2003-08-22 | Yes |
| 740-510 | FAIRVIEW | 6025 | 2004-07-30 | Yes |
| 740-511 | XXXXXXXXXX | MULT | — | — |
| 740-512 | STEUBENVL | 6025 | — | — |
| 740-513 | DELAWARE | 4863 | 2002-08-16 | Yes |
| 740-514 | NEWLXINGTN | 6701 | 2023-03-23 | Yes |
| 740-515 | AMESVILLE | 793K | 2023-05-03 | Yes |
| 740-516 | MARIETTA | 6025 | — | Yes |
| 740-517 | ATHENS | 6025 | — | — |
| 740-518 | DRESDEN | 464C | 2002-04-23 | Yes |
| 740-519 | CLARINGTON | 829J | 2004-03-05 | Yes |
| 740-520 | ADAMSVILLE | 001F | 2011-09-28 | Yes |
| 740-521 | DRESDEN | 829J | 2004-03-05 | Yes |
| 740-522 | NEWARK | 0665 | — | — |
| 740-523 | IRONTON | 024E | 2007-04-13 | — |
| 740-524 | KILBOURNE | 0615 | — | Yes |
| 740-525 | MARIETTA | 6025 | — | — |
| 740-526 | STCLAIRSVL | 9321 | — | Yes |
| 740-527 | HEBRON | 7836 | 2005-03-01 | Yes |
| 740-528 | GREEN CAMP | 0615 | — | Yes |
| 740-529 | PORTSMOUTH | 793K | 2008-08-21 | Yes |
| 740-530 | DUFFY | 464C | 2002-04-23 | Yes |
| 740-531 | THORNVILLE | 464C | 2006-11-17 | Yes |
| 740-532 | IRONTON | 9321 | — | — |
| 740-533 | IRONTON | 9321 | — | Yes |
| 740-534 | IRONTON | 9321 | — | Yes |
| 740-535 | MINGO JCT | 9321 | — | Yes |
| 740-536 | RUSHVILLE | 9321 | — | Yes |
| 740-537 | TORONTO | 9321 | — | Yes |
| 740-538 | MARIETTA | 6025 | 2007-02-20 | Yes |
| 740-539 | LANCASTER | 460K | 2002-04-23 | Yes |
| 740-540 | CHILLICOTH | 0597 | 2012-02-06 | Yes |
| 740-541 | ATHENS | 6025 | — | — |
| 740-542 | CHILLICOTH | 6534 | 2009-03-23 | Yes |
| 740-543 | AMSTERDAM | 0615 | — | Yes |
| 740-544 | KNOXVILLE | 0615 | — | Yes |
| 740-545 | WLAFAYETTE | 9321 | — | Yes |
| 740-546 | ADENA | 0615 | — | Yes |
| 740-547 | IRONTON | 9321 | — | Yes |
| 740-548 | CHESHIRCTR | 0615 | — | — |
| 740-549 | CHESHIRCTR | 0615 | — | — |
| 740-550 | IRONTON | 5562 | — | Yes |
| 740-551 | BARTLETT | 0661 | — | — |
| 740-552 | COSHOCTON | 6701 | — | Yes |
| 740-553 | COSHOCTON | 6630 | — | — |
| 740-554 | CHESTERHL | 0661 | — | Yes |
| 740-555 | DIR ASST | MULT | — | — |
| 740-556 | BALTIMORE | 6534 | 2022-08-26 | Yes |
| 740-557 | PENNSVILLE | 0661 | — | Yes |
| 740-558 | REINELHKNY | 0661 | — | Yes |
| 740-559 | STOCKPORT | 0661 | — | — |
| 740-560 | RIO GRANDE | 464C | 2016-03-14 | Yes |
| 740-561 | GNADENHTTN | 793K | 2006-04-15 | Yes |
| 740-562 | ZANESVILLE | 6701 | 2012-03-12 | Yes |
| 740-563 | MINGO JCT | 464C | 2002-04-23 | Yes |
| 740-564 | PATASKALA | 6025 | 2016-03-28 | Yes |
| 740-565 | DRESDEN | 6534 | 2004-03-17 | Yes |
| 740-566 | ATHENS | 0615 | — | Yes |
| 740-567 | LEWISVILLE | 9321 | — | Yes |
| 740-568 | MARIETTA | 9321 | — | Yes |
| 740-569 | BREMEN | 0615 | — | Yes |
| 740-570 | CHESTER | 0666 | 2001-06-26 | Yes |
| 740-571 | CIRCLEVL | 4863 | 2001-06-26 | Yes |
| 740-572 | WSNGTNCTHS | 6701 | — | Yes |
| 740-573 | ARABIA | 829J | 2001-06-26 | Yes |
| 740-574 | PORTSMOUTH | 0615 | — | Yes |
| 740-575 | COSHOCTON | 9321 | 2001-06-26 | Yes |
| 740-576 | STCLAIRSVL | 6025 | — | Yes |
| 740-577 | JACKSON | 0615 | 2001-06-26 | Yes |
| 740-578 | GALLIPOLIS | 6701 | — | Yes |
| 740-579 | STCLAIRSVL | 4863 | — | Yes |
| 740-580 | SHAWNEE | 464C | 2002-04-23 | Yes |
| 740-581 | CALDWELL | 6534 | — | Yes |
| 740-582 | CADIZ | 6534 | — | Yes |
| 740-583 | LOGAN | 6534 | — | Yes |
| 740-584 | CAMBRIDGE | 6534 | — | — |
| 740-585 | LOWERSALEM | 0615 | — | Yes |
| 740-586 | ZANESVILLE | 9321 | — | Yes |
| 740-587 | GRANVILLE | 0665 | — | — |
| 740-588 | ZANESVILLE | 9321 | — | Yes |
| 740-589 | ATHENS | 0615 | — | Yes |
| 740-590 | ATHENS | 6534 | 2001-05-18 | Yes |
| 740-591 | ATHENS | 6534 | — | — |
| 740-592 | ATHENS | 0615 | — | — |
| 740-593 | ATHENS | 0615 | — | — |
| 740-594 | ATHENS | 0615 | — | — |
| 740-595 | RADNOR | 0615 | — | Yes |
| 740-596 | MCARTHUR | 0615 | — | Yes |
| 740-597 | ATHENS | 0615 | — | — |
| 740-598 | BRILLIANT | 0615 | — | Yes |
| 740-599 | DANVL | 0661 | — | — |
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.