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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-646 A Laurel MD WASJDCDBDS1  4820 CAVALIER EAST LLC - MD 236      
240-646 0 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 1 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 2 Laurel MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-07-17   
240-646 3 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 4 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-21   
240-646 5 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 6 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-21   
240-646 7 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 8 Laurel MD   4820 CAVALIER EAST LLC - MD 236      
240-646 9 Laurel MD   4820 CAVALIER EAST LLC - MD 236      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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