Local Calling Guide
Area code/prefix search
NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]
NXX: 954
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
301-954 | A | Washington Zone 4 (Baltimore LATA) | MD | WDLWMDWLDS0 | 9212 VERIZON MARYLAND, INC. | 238 |
Last updated: Wed, 01 Jun 2022 03:09:23 UTC
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