Local Calling Guide
Area code/prefix search
NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]
NXX: 739
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
443-739 | A | Baltimore | MD | BLTMMDCH40Z | 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 238 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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