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   829J PAETEC ITEL, LLC 236   2025-04-02   
240-646 0 Laurel MD   829J PAETEC ITEL, LLC 236      
240-646 1 Laurel MD   829J PAETEC ITEL, LLC 236      
240-646 2 Laurel MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-07-17   
240-646 3 Laurel MD   829J PAETEC ITEL, LLC 236      
240-646 4 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-21   
240-646 5 Laurel MD   829J PAETEC ITEL, LLC 236      
240-646 6 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-21   
240-646 7 Laurel MD   829J PAETEC ITEL, LLC 236      
240-646 8 Laurel MD   829J PAETEC ITEL, LLC 236      
240-646 9 Laurel MD   829J PAETEC ITEL, LLC 236      

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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