MCIMETRO ACCESS TRANSMISSION SERVICES LLC
39 prefixes in 210 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 210-234 | SANANTONIO | 7229 | 2003-03-18 | Yes |
| 210-247 | SANANTONIO | 7229 | — | Yes |
| 210-248 | SANANTONIO | 7229 | — | Yes |
| 210-253 | SANANTONIO | 7229 | — | Yes |
| 210-254 | SANANTONIO | 7229 | — | Yes |
| 210-280 | SANANTONIO | 7229 | — | Yes |
| 210-301 | SANANTONIO | 7229 | — | — |
| 210-306 | SANANTONIO | 7229 | 2011-08-16 | Yes |
| 210-327 | SANANTONIO | 7229 | 2007-02-06 | Yes |
| 210-339 | SANANTONIO | 7229 | — | Yes |
| 210-350 | SANANTONIO | 7229 | 2015-06-01 | Yes |
| 210-406 | SANANTONIO | 7229 | — | Yes |
| 210-453 | SANANTONIO | 7229 | — | Yes |
| 210-484 | SANANTONIO | 7229 | — | — |
| 210-515 | SANANTONIO | 7229 | — | Yes |
| 210-516 | SANANTONIO | 7229 | — | Yes |
| 210-526 | SANANTONIO | 7229 | 2010-06-16 | Yes |
| 210-556 | SANANTONIO | 7229 | 2010-12-21 | Yes |
| 210-568 | SANANTONIO | 7229 | — | Yes |
| 210-579 | SANANTONIO | 7229 | — | Yes |
| 210-587 | SANANTONIO | 7229 | — | Yes |
| 210-610 | SANANTONIO | 7229 | 2012-10-05 | Yes |
| 210-745 | SANANTONIO | 7229 | 2005-05-09 | Yes |
| 210-762 | SANANTONIO | 7229 | 2013-12-02 | Yes |
| 210-774 | SANANTONIO | 7229 | 2014-04-03 | Yes |
| 210-780 | SANANTONIO | 7229 | 2014-07-15 | Yes |
| 210-795 | SANANTONIO | 7229 | 2003-03-18 | Yes |
| 210-798 | SANANTONIO | 7229 | — | — |
| 210-801 | SANANTONIO | 7229 | 2013-03-04 | Yes |
| 210-810 | SANANTONIO | 7229 | 2013-05-15 | Yes |
| 210-814 | SANANTONIO | 7229 | — | Yes |
| 210-835 | SANANTONIO | 7229 | — | Yes |
| 210-836 | SANANTONIO | 7229 | — | Yes |
| 210-838 | SANANTONIO | 7229 | — | Yes |
| 210-839 | SANANTONIO | 7229 | — | Yes |
| 210-881 | SANANTONIO | 7229 | 2006-08-04 | Yes |
| 210-883 | SANANTONIO | 7229 | — | Yes |
| 210-937 | SANANTONIO | 7229 | — | Yes |
| 210-951 | SANANTONIO | 7229 | 2015-01-27 | 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.