Local Calling Guide
Area code/prefix search
NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]
NXX: 878
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
301-878 | A | Baltimore | MD | BLTOMDKHDS0 | 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | 238 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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