CORE COMMUNICATIONS, INC.- MD
41 prefixes in 667 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 667-236 | PERRYVILLE | 2593 | 2018-06-11 | Yes |
| 667-237 | WEST RIVER | 2593 | 2018-06-11 | Yes |
| 667-238 | PRESTON | 2593 | 2018-06-12 | Yes |
| 667-241 | RIDGELY | 2593 | 2018-06-12 | Yes |
| 667-242 | ROCK HALL | 2593 | 2018-06-12 | Yes |
| 667-243 | OXFORD | 2593 | 2018-06-04 | Yes |
| 667-244 | STILL POND | 2593 | 2018-06-12 | Yes |
| 667-245 | CECILTON | 2593 | 2018-06-12 | Yes |
| 667-246 | CENTREVL | 2593 | 2018-06-12 | Yes |
| 667-247 | CHESAPKECY | 2593 | 2018-06-12 | Yes |
| 667-248 | DENTON | 2593 | 2018-06-12 | Yes |
| 667-249 | GALENA | 2593 | 2018-06-12 | Yes |
| 667-254 | CHESTERTN | 2593 | — | Yes |
| 667-267 | ANNAPOLIS | 2593 | 2018-10-22 | Yes |
| 667-269 | ELKTON | 2593 | 2018-10-15 | Yes |
| 667-277 | SHERWD FOR | 2593 | 2018-05-31 | Yes |
| 667-295 | CROFTON | 2593 | 2018-10-15 | Yes |
| 667-300 | COLUMBIA | 2593 | 2018-06-01 | Yes |
| 667-326 | CHURCHHILL | 2593 | 2018-12-10 | Yes |
| 667-332 | NEWWINDSOR | 2593 | 2018-10-15 | Yes |
| 667-336 | BEL AIR | 2593 | 2018-06-01 | Yes |
| 667-345 | CATONSVL | 2593 | 2018-06-04 | Yes |
| 667-362 | ANNAPOLIS | 2593 | 2018-10-18 | Yes |
| 667-364 | STEVENSVL | 2593 | 2018-06-04 | Yes |
| 667-366 | HAMPSTEAD | 2593 | 2018-10-15 | Yes |
| 667-372 | CAMBRIDGE | 2593 | 2018-10-15 | Yes |
| 667-373 | NORTHBEACH | 2593 | 2018-10-15 | Yes |
| 667-382 | WINGATE | 2593 | 2018-10-16 | Yes |
| 667-473 | SOLOMONS | 2593 | 2018-10-16 | Yes |
| 667-500 | ANNAPOLIS | 2593 | 2018-06-01 | Yes |
| 667-545 | WARWICK | 2593 | 2018-10-16 | Yes |
| 667-627 | ANNAPOLIS | 2593 | 2018-10-18 | Yes |
| 667-653 | BRYNPKLNCM | 2593 | 2018-12-11 | Yes |
| 667-686 | ELLICOTTCY | 2593 | 2018-10-15 | Yes |
| 667-722 | GLENWOOD | 2593 | 2018-10-15 | Yes |
| 667-727 | SUDLERSVL | 2593 | 2018-10-16 | Yes |
| 667-837 | PT DEPOSIT | 2593 | 2018-10-16 | Yes |
| 667-843 | DEALISLAND | 2593 | 2018-12-10 | Yes |
| 667-866 | DARLINGTON | 2593 | 2018-06-04 | Yes |
| 667-876 | ANNAPOLIS | 2593 | 2018-10-18 | Yes |
| 667-946 | CHURCHVL | 2593 | 2018-10-15 | 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.