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: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-438 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-438 0 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-438 1 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-438 2 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-438 3 Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-438 4 Washington Zone 3 MD   876D ONVOY, LLC - MD 236      
240-438 5 Washington Zone 3 MD   490J DISH WIRELESS, LLC 236      
240-438 6 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-438 7 Washington Zone 3 MD   876D ONVOY, LLC - MD 236      
240-438 8 Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-438 9 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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