Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 460

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-460 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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