Local Calling Guide
Area code/prefix search
NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]
NXX: 421
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
443-421 | A | Fork | MD | CLMAMDORGT0 | 4036 NEW CINGULAR WIRELESS PCS, LLC - DC | 238 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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