All assignees
800 prefixes in 740 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 740-300 | NELSONVL | 001F | 2011-09-26 | Yes |
| 740-301 | RIO GRANDE | 284F | 2002-04-23 | Yes |
| 740-302 | IRONTON | 001F | — | Yes |
| 740-303 | PHILO | 464C | 2002-04-23 | Yes |
| 740-304 | LANCASTER | 6701 | 2001-02-06 | Yes |
| 740-305 | CALDWELL | 4863 | 2002-06-26 | Yes |
| 740-306 | GUYAN | 464C | 2002-04-23 | Yes |
| 740-307 | IRONTON | 460K | 2002-04-23 | Yes |
| 740-308 | DEXTERCITY | 4863 | 2002-06-26 | Yes |
| 740-309 | BARNESVL | 464C | 2002-04-23 | Yes |
| 740-310 | STCLAIRSVL | 6025 | — | Yes |
| 740-311 | XXXXXXXXXX | MULT | — | — |
| 740-312 | STCLAIRSVL | 6025 | — | Yes |
| 740-313 | WSNGTNCTHS | 460K | 2002-04-23 | Yes |
| 740-314 | STEUBENVL | 4863 | 2002-03-21 | Yes |
| 740-315 | BELPRE | 4863 | 2002-04-23 | Yes |
| 740-316 | BOWERSTON | 4863 | 2002-06-26 | Yes |
| 740-317 | STEUBENVL | 6534 | — | Yes |
| 740-318 | SUGARGROVE | 464C | 2002-04-23 | Yes |
| 740-319 | ZANESVILLE | 6534 | — | Yes |
| 740-320 | CADIZ | 4863 | 2002-06-26 | Yes |
| 740-321 | GRANVILLE | 0665 | — | — |
| 740-322 | NEWARK | 0665 | — | Yes |
| 740-323 | NEWARK | 0665 | — | Yes |
| 740-324 | MT VERNON | 6701 | 2002-04-16 | Yes |
| 740-325 | BELLAIRE | 318J | — | Yes |
| 740-326 | MT VERNON | 4863 | 2002-07-16 | Yes |
| 740-327 | COOPERDALE | 0615 | — | Yes |
| 740-328 | NEWARK | 0665 | — | Yes |
| 740-329 | CARROLL | 7532 | — | Yes |
| 740-330 | BETHESDA | 829J | — | Yes |
| 740-331 | ATHENS | 4863 | 2002-07-16 | Yes |
| 740-332 | LAURELVL | 0615 | — | Yes |
| 740-333 | WSNGTNCTHS | 9321 | — | Yes |
| 740-334 | NEWARK | 4863 | 2002-06-12 | Yes |
| 740-335 | WSNGTNCTHS | 9321 | — | — |
| 740-336 | MARIETTA | 6025 | 2002-05-23 | Yes |
| 740-337 | TORONTO | 464C | 2002-04-23 | Yes |
| 740-338 | STCLAIRSVL | 7532 | — | Yes |
| 740-339 | GALLIPOLIS | 9321 | — | Yes |
| 740-340 | BELLAIRE | 6534 | — | Yes |
| 740-341 | MARION | 6534 | 2004-04-22 | Yes |
| 740-342 | NEWLXINGTN | 9321 | — | Yes |
| 740-343 | NEWLXINGTN | 9321 | — | Yes |
| 740-344 | NEWARK | 0665 | — | — |
| 740-345 | NEWARK | 0665 | — | — |
| 740-346 | STEUBENVL | 9321 | — | Yes |
| 740-347 | CORNING | 9321 | — | Yes |
| 740-348 | NEWARK | 0665 | — | Yes |
| 740-349 | NEWARK | 0665 | — | — |
| 740-350 | MARIETTA | 6534 | — | — |
| 740-351 | PORTSMOUTH | 0615 | — | Yes |
| 740-352 | PORTSMOUTH | 6534 | — | — |
| 740-353 | PORTSMOUTH | 0615 | — | — |
| 740-354 | PORTSMOUTH | 0615 | — | — |
| 740-355 | PORTSMOUTH | 0615 | — | — |
| 740-356 | PORTSMOUTH | 0615 | — | — |
| 740-357 | PORTSMOUTH | 6534 | — | — |
| 740-358 | MT VERNON | 6701 | — | Yes |
| 740-359 | STCLAIRSVL | 6534 | — | — |
| 740-360 | MARION | 6025 | — | — |
| 740-361 | MARION | 6025 | — | — |
| 740-362 | DELAWARE | 0615 | — | — |
| 740-363 | DELAWARE | 0615 | — | — |
| 740-364 | NEWARK | 0665 | — | Yes |
| 740-365 | CALDWELL | 4863 | 2002-08-16 | Yes |
| 740-366 | NEWARK | 0665 | — | — |
| 740-367 | CHESHIRE | 9321 | — | Yes |
| 740-368 | DELAWARE | 0615 | — | — |
| 740-369 | DELAWARE | 0615 | — | — |
| 740-370 | PORTSMOUTH | 4863 | 2002-07-16 | Yes |
| 740-371 | MARIETTA | 612K | 2013-11-11 | Yes |
| 740-372 | PORTSMOUTH | 0615 | — | Yes |
| 740-373 | MARIETTA | 9321 | — | — |
| 740-374 | MARIETTA | 9321 | — | — |
| 740-375 | MARION | 0615 | — | — |
| 740-376 | MARIETTA | 9321 | — | — |
| 740-377 | IRONTON | 9321 | — | Yes |
| 740-378 | COOLVILLE | 0666 | — | — |
| 740-379 | WALNUT | 9321 | — | Yes |
| 740-380 | LOGAN | 0615 | — | — |
| 740-381 | STEUBENVL | 6025 | — | — |
| 740-382 | MARION | 0615 | — | — |
| 740-383 | MARION | 0615 | — | — |
| 740-384 | WELLSTON | 0615 | — | Yes |
| 740-385 | LOGAN | 0615 | — | — |
| 740-386 | MARION | 0615 | — | Yes |
| 740-387 | MARION | 0615 | — | — |
| 740-388 | VINTON | 9321 | — | Yes |
| 740-389 | MARION | 0615 | — | — |
| 740-390 | MT VERNON | 6534 | — | Yes |
| 740-391 | STCLAIRSVL | 6025 | — | — |
| 740-392 | MT VERNON | 0661 | — | — |
| 740-393 | MT VERNON | 0661 | — | — |
| 740-394 | SHAWNEE | 9321 | — | Yes |
| 740-395 | JACKSON | 0615 | — | Yes |
| 740-396 | MARION | 6534 | — | Yes |
| 740-397 | MT VERNON | 0661 | — | — |
| 740-398 | MT VERNON | 6025 | — | — |
| 740-399 | MT VERNON | 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.