CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
121 prefixes in 443 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 443-909 | BALTIMORE | 6395 | 2006-08-09 | Yes |
| 443-915 | BALTIMORE | 6395 | 2011-09-07 | Yes |
| 443-924 | ANNAPOLIS | 6395 | 2009-07-06 | Yes |
| 443-928 | BALTIMORE | 6395 | 2001-09-24 | Yes |
| 443-930 | BALTIMORE | 6395 | 2011-04-06 | Yes |
| 443-934 | BALTIMORE | 6395 | 2007-12-04 | Yes |
| 443-938 | BALTIMORE | 6395 | 2007-08-06 | Yes |
| 443-952 | WESTMINSTR | 6395 | 2011-09-07 | Yes |
| 443-953 | SALISBURY | 6395 | 2011-09-07 | Yes |
| 443-955 | BALTIMORE | 6395 | 2006-03-13 | Yes |
| 443-960 | GLENBURNIE | 6395 | 2011-10-07 | Yes |
| 443-962 | GLENBURNIE | 6395 | 2007-09-14 | Yes |
| 443-966 | FALLSTON | 6395 | 2006-09-13 | Yes |
| 443-970 | BALTIMORE | 6395 | 2011-11-21 | Yes |
| 443-977 | BALTIMORE | 6395 | 2006-10-12 | Yes |
| 443-978 | SALISBURY | 6395 | 2011-11-21 | Yes |
| 443-979 | COLUMBIA | 6395 | 2011-11-21 | Yes |
| 443-981 | FALLSTON | 6395 | 2011-11-21 | Yes |
| 443-986 | BALTIMORE | 6395 | 2006-07-13 | Yes |
| 443-987 | BEL AIR | 6395 | — | Yes |
| 443-991 | TOWSON | 6395 | 2011-12-01 | 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.