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: 272

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-272 A Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-272 0 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-06-01   
240-272 1 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-06-01   
240-272 2 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-12-25   
240-272 3 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-25   
240-272 4 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-06-12   
240-272 5 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-25   
240-272 6 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-25   
240-272 7 Washington Zone 2 MD BTVLMDCKCM5  071F BANDWIDTH.COM CLEC, LLC - MD 236   2023-01-08   
240-272 8 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-03-02   
240-272 9 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-12-04   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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