Local Calling Guide
Area code/prefix search
NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]
NXX: 504
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
240-504 | A | Washington Zone 3 | MD | BTVLMD12CMA | 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 236 | |||
240-504 | 0 | Washington Zone 3 | MD | BTVLMD18GT0 | 4036 NEW CINGULAR WIRELESS PCS, LLC - DC | 236 | 2023-10-09 | ||
240-504 | 1 | Washington Zone 3 | MD | BTVLMD18GT0 | 4036 NEW CINGULAR WIRELESS PCS, LLC - DC | 236 | 2023-12-03 | ||
240-504 | 2 | Washington Zone 3 | MD | BTVLMD18GT0 | 4036 NEW CINGULAR WIRELESS PCS, LLC - DC | 236 | 2023-12-03 | ||
240-504 | 4 | Washington Zone 3 | MD | BTVLMD12CMA | 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 236 | 2011-11-18 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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