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: 750

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-750 A Gaithersburg MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-750 0 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-01-13   
240-750 1 Gaithersburg MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-27   
240-750 2 Gaithersburg MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-27   
240-750 3 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-04-20   
240-750 4 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-04-20   
240-750 5 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-04-14   
240-750 6 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-09-17   
240-750 7 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-750 8 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-750 9 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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