MCIMETRO ACCESS TRANSMISSION SERVICES LLC
30 prefixes in 817 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 817-256 | FORT WORTH | 7229 | — | Yes |
| 817-290 | ATLAS | 7229 | 2002-10-01 | Yes |
| 817-302 | FORT WORTH | 7229 | — | Yes |
| 817-363 | FORT WORTH | 7229 | 2010-05-11 | Yes |
| 817-391 | EULESS | 7229 | — | Yes |
| 817-393 | NRICHLDHLS | 7229 | — | Yes |
| 817-394 | ARLINGTON | 7229 | — | Yes |
| 817-395 | GLENDALE | 7229 | — | Yes |
| 817-440 | ATLAS | 7229 | 2002-10-30 | Yes |
| 817-524 | ARLINGTON | 7229 | — | Yes |
| 817-525 | ARLINGTON | 7229 | — | Yes |
| 817-527 | GRAPEVINE | 7229 | — | Yes |
| 817-549 | ARLINGTON | 7229 | 2004-06-04 | Yes |
| 817-582 | ATLAS | 7229 | 2004-06-04 | Yes |
| 817-601 | GRAPEVINE | 7229 | — | Yes |
| 817-622 | ARLINGTON | 7229 | 2002-10-29 | Yes |
| 817-628 | ATLAS | 7229 | — | Yes |
| 817-662 | EULESS | 7229 | — | Yes |
| 817-664 | ARLINGTON | 7229 | — | Yes |
| 817-665 | FORT WORTH | 7229 | — | — |
| 817-709 | GLENDALE | 7229 | — | Yes |
| 817-720 | FORT WORTH | 7229 | — | Yes |
| 817-785 | EULESS | 7229 | — | Yes |
| 817-786 | EULESS | 7229 | — | Yes |
| 817-796 | GRAPEVINE | 7229 | 2001-10-02 | Yes |
| 817-839 | KENNEDALE | 7229 | — | Yes |
| 817-887 | FORT WORTH | 7229 | — | Yes |
| 817-916 | FORT WORTH | 7229 | — | Yes |
| 817-983 | ARLINGTON | 7229 | — | Yes |
| 817-984 | FORT WORTH | 7229 | — | 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.