MCIMETRO ACCESS TRANSMISSION SERVICES LLC
36 prefixes in 302 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 302-258 | GEORGETOWN | 7229 | — | Yes |
| 302-261 | DELAWARECY | 7229 | — | Yes |
| 302-269 | DOVER | 7229 | — | Yes |
| 302-274 | WILMINGTON | 7229 | 2017-05-10 | Yes |
| 302-288 | WILMINGTON | 7229 | 2004-06-22 | Yes |
| 302-301 | NEWARK | 7229 | 2018-03-06 | Yes |
| 302-338 | NEWARK | 7229 | 2004-06-07 | Yes |
| 302-340 | DELAWARECY | 7229 | 2004-06-07 | Yes |
| 302-341 | NEWARK | 7229 | 2004-06-07 | Yes |
| 302-347 | GEORGETOWN | 7229 | 2004-04-30 | Yes |
| 302-348 | GEORGETOWN | 7229 | 2004-04-30 | Yes |
| 302-353 | WILMINGTON | 7229 | — | Yes |
| 302-361 | HOCKESSIN | 7229 | 2004-06-07 | Yes |
| 302-370 | NEW CASTLE | 7229 | 2004-06-07 | Yes |
| 302-371 | HOLLY OAK | 7229 | 2004-06-07 | Yes |
| 302-372 | HOCKESSIN | 7229 | 2004-06-07 | Yes |
| 302-374 | HOLLY OAK | 7229 | 2004-06-07 | Yes |
| 302-380 | DELAWARECY | 7229 | 2004-06-07 | Yes |
| 302-385 | HOLLY OAK | 7229 | — | Yes |
| 302-397 | WILMINGTON | 7229 | — | Yes |
| 302-400 | NEW CASTLE | 7229 | 2010-09-27 | Yes |
| 302-408 | HOLLY OAK | 7229 | 2010-08-31 | Yes |
| 302-414 | NEW CASTLE | 7229 | 2010-08-31 | Yes |
| 302-450 | DOVER | 7229 | — | Yes |
| 302-485 | WILMINGTON | 7229 | 2018-12-06 | Yes |
| 302-499 | DELAWARECY | 7229 | 2010-09-27 | Yes |
| 302-583 | DELAWARECY | 7229 | 2010-08-30 | Yes |
| 302-585 | HOCKESSIN | 7229 | 2010-09-28 | Yes |
| 302-597 | DELAWARECY | 7229 | 2010-08-31 | Yes |
| 302-618 | NEW CASTLE | 7229 | 2022-08-05 | Yes |
| 302-673 | MILFORD | 7229 | 2024-12-11 | Yes |
| 302-689 | NEW CASTLE | 7229 | — | Yes |
| 302-691 | WILMINGTON | 7229 | — | Yes |
| 302-729 | HOCKESSIN | 7229 | — | Yes |
| 302-861 | NEWARK | 7229 | — | Yes |
| 302-985 | WILMINGTON | 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.