MCIMETRO ACCESS TRANSMISSION SERVICES LLC
56 prefixes in 703 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 703-253 | WSNGTNZN08 | 7229 | — | Yes |
| 703-254 | WSNGTNZN08 | 7229 | — | Yes |
| 703-258 | WSNGTNZN08 | 7229 | — | Yes |
| 703-259 | WSNGTNZN19 | 7229 | — | Yes |
| 703-261 | WSNGTNZN19 | 7229 | — | Yes |
| 703-268 | WSNGTNZN19 | 7229 | — | Yes |
| 703-269 | WSNGTNZN17 | 7229 | — | Yes |
| 703-270 | WSNGTNZN17 | 7229 | — | Yes |
| 703-286 | WSNGTNZN17 | 7229 | — | Yes |
| 703-334 | MANASSAS | 7229 | — | Yes |
| 703-340 | WSNGTNZN08 | 7229 | — | Yes |
| 703-341 | WSNGTNZN08 | 7229 | — | Yes |
| 703-342 | WSNGTNZN17 | 7229 | — | Yes |
| 703-343 | WSNGTNZN17 | 7229 | — | Yes |
| 703-344 | WSNGTNZN19 | 7229 | — | Yes |
| 703-345 | WSNGTNZN19 | 7229 | — | Yes |
| 703-373 | WSNGTNZN08 | 7229 | — | Yes |
| 703-399 | WSNGTNZN08 | 7229 | — | Yes |
| 703-454 | ENGLESIDE | 7229 | — | Yes |
| 703-457 | WSNGTNZN08 | 7229 | 2014-06-20 | Yes |
| 703-459 | WSNGTNZN19 | 7229 | — | Yes |
| 703-462 | WSNGTNZN17 | 7229 | — | Yes |
| 703-463 | HERNDON | 7229 | — | Yes |
| 703-480 | HERNDON | 7229 | — | — |
| 703-496 | OCCOQUAN | 7229 | — | Yes |
| 703-539 | WSNGTNZN19 | 7229 | — | Yes |
| 703-542 | ARCOLA | 7229 | — | Yes |
| 703-543 | BRADDOCK | 7229 | — | Yes |
| 703-544 | DULLES | 7229 | — | Yes |
| 703-546 | ENGLESIDE | 7229 | — | Yes |
| 703-547 | HERNDON | 7229 | — | Yes |
| 703-552 | DULLESMTRO | 7229 | — | Yes |
| 703-559 | WSNGTNZN17 | 7229 | 2014-02-05 | Yes |
| 703-562 | WSNGTNZN08 | 7229 | — | Yes |
| 703-563 | WSNGTNZN19 | 7229 | — | — |
| 703-564 | WSNGTNZN17 | 7229 | — | — |
| 703-574 | DULLES | 7229 | — | Yes |
| 703-586 | DALE CITY | 7229 | — | Yes |
| 703-646 | LORTON | 7229 | — | Yes |
| 703-649 | TRIANGLE | 7229 | 2001-03-19 | Yes |
| 703-682 | WSNGTNZN08 | 7229 | — | Yes |
| 703-694 | LEESBURG | 7229 | — | — |
| 703-712 | WSNGTNZN17 | 7229 | — | Yes |
| 703-828 | BRADDOCK | 7229 | — | Yes |
| 703-852 | WSNGTNZN17 | 7229 | — | — |
| 703-857 | LEESBURG | 7229 | — | — |
| 703-886 | LEESBURG | 7229 | — | — |
| 703-890 | WSNGTNZN19 | 7229 | — | Yes |
| 703-891 | WSNGTNZN17 | 7229 | — | Yes |
| 703-894 | WSNGTNZN08 | 7229 | — | Yes |
| 703-951 | BRADDOCK | 7229 | — | Yes |
| 703-952 | ENGLESIDE | 7229 | — | Yes |
| 703-956 | HERNDON | 7229 | 2005-01-07 | Yes |
| 703-962 | WSNGTNZN17 | 7229 | — | Yes |
| 703-964 | HERNDON | 7229 | — | Yes |
| 703-995 | WSNGTNZN19 | 7229 | — | — |
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.