Local Calling Guide
Area code/prefix search
NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]
NXX: 384
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
301-384 | A | Washington Zone 12 | MD | SLSPMDCVDS0 | 9212 VERIZON MARYLAND, INC. | 236 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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