MCIMETRO ACCESS TRANSMISSION SERVICES LLC
55 prefixes in 972 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 972-201 | DALLAS | 7229 | — | Yes |
| 972-232 | DALLAS | 7229 | — | Yes |
| 972-249 | GRANDPRARI | 7229 | — | Yes |
| 972-324 | FRISCO | 7229 | 2017-05-18 | Yes |
| 972-367 | DALLAS | 7229 | — | — |
| 972-372 | PLANO | 7229 | — | Yes |
| 972-374 | IRVING | 7229 | — | Yes |
| 972-375 | GRANDPRARI | 7229 | — | Yes |
| 972-408 | GRANDPRARI | 7229 | — | Yes |
| 972-439 | MCKINNEY | 7229 | — | Yes |
| 972-502 | DALLAS | 7229 | — | Yes |
| 972-505 | IRVING | 7229 | — | Yes |
| 972-512 | CARROLLTON | 7229 | — | Yes |
| 972-532 | DALLAS | 7229 | — | Yes |
| 972-534 | DLFTWTARPT | 7229 | — | Yes |
| 972-535 | PLANO | 7229 | — | Yes |
| 972-536 | IRVING | 7229 | — | Yes |
| 972-538 | LEWISVILLE | 7229 | — | Yes |
| 972-543 | PLANO | 7229 | — | — |
| 972-560 | DALLAS | 7229 | — | — |
| 972-577 | PLANO | 7229 | — | — |
| 972-581 | DALLAS | 7229 | — | Yes |
| 972-649 | ALLEN | 7229 | — | Yes |
| 972-656 | DALLAS | 7229 | — | Yes |
| 972-665 | PLANO | 7229 | — | Yes |
| 972-676 | DALLAS | 7229 | — | Yes |
| 972-692 | DALLAS | 7229 | — | — |
| 972-707 | DALLAS | 7229 | — | Yes |
| 972-725 | DALLAS | 7229 | — | Yes |
| 972-728 | DALLAS | 7229 | — | — |
| 972-729 | DALLAS | 7229 | — | Yes |
| 972-737 | ALLEN | 7229 | 2014-12-03 | Yes |
| 972-739 | DALLAS | 7229 | — | Yes |
| 972-749 | DALLAS | 7229 | — | — |
| 972-759 | DALLAS | 7229 | — | — |
| 972-767 | PLANO | 7229 | — | Yes |
| 972-793 | IRVING | 7229 | — | Yes |
| 972-794 | DALLAS | 7229 | — | — |
| 972-803 | DALLAS | 7229 | — | Yes |
| 972-807 | DALLAS | 7229 | — | Yes |
| 972-810 | CARROLLTON | 7229 | 2011-07-28 | Yes |
| 972-813 | DALLAS | 7229 | — | Yes |
| 972-815 | IRVING | 7229 | — | Yes |
| 972-827 | IRVING | 7229 | — | Yes |
| 972-836 | PLANO | 7229 | — | Yes |
| 972-852 | DALLAS | 7229 | — | — |
| 972-890 | GRANDPRARI | 7229 | — | Yes |
| 972-891 | IRVING | 7229 | — | Yes |
| 972-892 | DALLAS | 7229 | — | — |
| 972-908 | ALLEN | 7229 | — | Yes |
| 972-925 | DALLAS | 7229 | — | Yes |
| 972-957 | IRVING | 7229 | — | Yes |
| 972-961 | ROCKWALL | 7229 | — | Yes |
| 972-963 | FRISCO | 7229 | — | Yes |
| 972-984 | MCKINNEY | 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.