Local Calling Guide

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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-745 9 Damascus MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-29   
240-746 A Brandywine MD WASHDCSWDS8  7421 AT&T LOCAL 236   2021-02-04   
240-746 6 Brandywine MD   876D ONVOY, LLC - MD 236   2021-04-02   
240-746 7 Brandywine MD   876D ONVOY, LLC - MD 236   2021-04-02   
240-746 8 Brandywine MD   876D ONVOY, LLC - MD 236   2021-04-02   
240-746 9 Brandywine MD   7421 AT&T LOCAL 236   2021-02-04   
240-747 A Washington Zone 11 MD WASJDCDBDS1  4820 CAVALIER EAST LLC - MD 236      
240-747 0 Washington Zone 11 MD   4820 CAVALIER EAST LLC - MD 236      
240-747 1 Washington Zone 11 MD   4820 CAVALIER EAST LLC - MD 236      
240-747 2 Washington Zone 11 MD   4820 CAVALIER EAST LLC - MD 236      
240-747 3 Washington Zone 11 MD   4820 CAVALIER EAST LLC - MD 236      
240-747 4 Washington Zone 11 MD   4820 CAVALIER EAST LLC - MD 236      
240-747 5 Washington Zone 11 MD   4820 CAVALIER EAST LLC - MD 236      
240-747 6 Washington Zone 11 MD   4820 CAVALIER EAST LLC - MD 236      
240-747 7 Washington Zone 11 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-07-03   
240-747 8 Washington Zone 11 MD   876D ONVOY, LLC - MD 236   2020-07-04   
240-747 9 Washington Zone 11 MD   4820 CAVALIER EAST LLC - MD 236      
240-748 A Washington Zone 3 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-22   
240-748 2 Washington Zone 3 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-22   
240-748 3 Washington Zone 3 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-22   
240-748 4 Washington Zone 3 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-22   
240-748 5 Washington Zone 3 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-22   
240-748 6 Washington Zone 3 MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-22   
240-749 A Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-03-13   
240-749 0 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-03-13   
240-749 1 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-03-13   
240-749 4 Laurel (Baltimore LATA) MD   566J RADIANTIQ LLC 238   2021-05-07   
240-750 A Gaithersburg MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-750 0 Gaithersburg MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-01-13   
240-750 1 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-27   
240-750 2 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-27   
240-750 3 Gaithersburg MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-04-20   
240-750 4 Gaithersburg MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-04-20   
240-750 5 Gaithersburg MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-04-14   
240-750 6 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-09-17   
240-750 7 Gaithersburg MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-750 8 Gaithersburg MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-750 9 Gaithersburg MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-751 A Gaithersburg MD CHCHMDBE5MD  4749 TELCOVE OPERATIONS, INC. - MD 236      
240-751 0 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 1 Gaithersburg MD   4749 TELCOVE OPERATIONS, INC. - MD 236      
240-751 2 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-07-30   
240-751 3 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-07-30   
240-751 4 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-01-12   
240-751 5 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 6 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 7 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 8 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 9 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-05-23   
240-752 A Washington Zone 2 MD CHCHMDBE5MD  4749 TELCOVE OPERATIONS, INC. - MD 236      

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

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