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
240-625 0 Hagerstown MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2006-06-10   
240-625 1 Hagerstown MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2004-02-28   
240-625 2 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2005-07-28   
240-625 3 Hagerstown MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2005-01-06   
240-625 4 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2005-11-07   
240-625 5 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-01-06   
240-625 6 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-02-05   
240-625 7 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-02-05   
240-625 8 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-03-12   
240-625 9 Hagerstown MD MRBGWVBUHPA  4095 FIBERNET, LLC - WV 240   2004-01-25   
240-626 A Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2024-02-09   
240-626 0 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2010-01-18   
240-626 1 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-626 2 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2005-12-14   
240-626 3 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-626 4 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-626 5 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-626 6 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-626 7 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-626 8 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-626 9 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-627 A Washington Zone 11 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-627 0 Washington Zone 11 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-11-10   
240-627 1 Washington Zone 11 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-627 2 Washington Zone 11 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-05-24   
240-627 3 Washington Zone 11 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-627 4 Washington Zone 11 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-627 5 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
240-627 6 Washington Zone 11 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-09-28   
240-627 7 Washington Zone 11 MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2008-08-31   
240-627 8 Washington Zone 11 MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2008-08-31   
240-627 9 Washington Zone 11 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-628 A Mechanicsville MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-628 0 Mechanicsville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-628 1 Mechanicsville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-628 2 Mechanicsville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-628 3 Mechanicsville MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-11-01   
240-628 4 Mechanicsville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-06-07   
240-628 5 Mechanicsville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-07-18   
240-628 6 Mechanicsville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2019-02-19   
240-628 7 Mechanicsville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2018-09-13   
240-628 8 Mechanicsville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2019-02-19   
240-628 9 Mechanicsville MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-08-27   
240-629 A Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-629 0 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-629 1 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-629 2 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-629 3 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-629 4 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-629 5 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-629 6 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-629 7 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-629 8 Frederick MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2008-08-20   
240-629 9 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-630 A Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-630 0 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-09   
240-630 1 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-09   
240-630 2 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-09   
240-630 3 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-09   
240-630 4 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-09   
240-630 5 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-09   
240-630 6 Washington Zone 2 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2013-12-02   
240-630 7 Washington Zone 2 MD WASIDCRG7MD  508J CENTURYLINK COMMUNICATIONS, LLC 236   2013-10-01   
240-630 8 Washington Zone 2 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-08-01   
240-630 9 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-03-23   
240-631 A Gaithersburg MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
240-632 A Gaithersburg MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
240-633 A Hughesville MD VINNVACB2MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236      
240-633 0 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-02-06   
240-633 1 Hughesville MD   515J IP HORIZON LLC 236   2016-05-31   
240-633 2 Hughesville MD WASHDC127MD  073H TELNYX LLC 236   2017-04-27   
240-633 3 Hughesville MD VINNVACB2MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-07-13   
240-633 4 Hughesville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
240-633 5 Hughesville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-30   
240-633 6 Hughesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-07-14   
240-633 7 Hughesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-14   
240-633 8 Hughesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-14   
240-633 9 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-09-15   
240-634 A Ridge MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-634 0 Ridge MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-634 1 Ridge MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-634 2 Ridge MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-634 3 Ridge MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-10-17   
240-634 4 Ridge MD ARTNVAARXJY  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
240-634 5 Ridge MD ARTNVAARXJY  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
240-634 6 Ridge MD ARTNVAARXJY  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
240-634 7 Ridge MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
240-634 8 Ridge MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2019-02-19   
240-634 9 Ridge MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2019-02-19   
240-635 A Tompkinsville MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-635 0 Tompkinsville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-635 1 Tompkinsville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-635 2 Tompkinsville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-635 3 Tompkinsville MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2019-12-18   
240-635 4 Tompkinsville MD ARTNVAARXJY  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-30   
240-635 5 Tompkinsville MD ARTNVAARXJY  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-30   
240-635 6 Tompkinsville MD ARTNVAARXJY  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-30   
240-635 7 Tompkinsville MD ARTNVAARXJY  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-30   
240-635 8 Tompkinsville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-04-30   
240-635 9 Tompkinsville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-04-30   

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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