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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-701 1 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-16   
240-701 2 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-16   
240-701 3 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-16   
240-701 4 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-16   
240-701 5 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-701 6 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-701 7 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-701 8 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-701 9 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-702 A Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-702 0 Gaithersburg MD   318J COMCAST IP PHONE LLC 236   2015-07-22   
240-702 1 Gaithersburg MD   876D ONVOY, LLC - MD 236   2014-12-01   
240-702 2 Gaithersburg MD   876D ONVOY, LLC - MD 236   2014-12-01   
240-702 3 Gaithersburg MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-10-15   
240-702 4 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-24   
240-702 5 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-24   
240-702 6 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-24   
240-702 7 Gaithersburg MD   5562 METRO PCS, INC. 236   2014-12-29   
240-702 8 Gaithersburg MD   5562 METRO PCS, INC. 236   2014-12-22   
240-702 9 Gaithersburg MD   197D VONAGE NETWORK INC. 236   2018-12-24   
240-703 A Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-10   
240-703 6 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-10   
240-703 7 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-10   
240-703 8 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-10   
240-703 9 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-10   
240-704 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-704 0 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-16   
240-704 1 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-704 2 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-704 3 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-704 4 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-704 5 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-02-28   
240-704 6 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-704 7 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-704 8 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-704 9 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-24   
240-705 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-705 0 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-705 1 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-705 2 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-705 3 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-705 4 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-705 5 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-705 6 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-705 7 Washington Zone 3 MD   4773 XO MARYLAND, LLC 236   2010-08-22   
240-705 8 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-705 9 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-706 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-706 0 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-706 1 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   

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

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