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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
240-385 8 Myersville MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-385 9 Myersville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2008-12-13   
240-386 A Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
240-386 0 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
240-386 1 Washington Zone 10 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236   2015-04-15   
240-386 2 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
240-386 3 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
240-386 4 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
240-386 5 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
240-386 6 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
240-386 7 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-04-29   
240-386 8 Washington Zone 10 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2009-06-13   
240-386 9 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-09   
240-387 A Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236   2025-04-02   
240-387 0 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-387 1 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-387 2 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-387 3 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-387 4 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-387 5 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-04-19   
240-387 6 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-02-22   
240-387 7 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-02-22   
240-387 8 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-04-19   
240-387 9 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-04-21   
240-388 A Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-388 0 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2003-05-14   
240-388 1 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2003-05-14   
240-388 2 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2003-08-17   
240-388 3 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2004-05-13   
240-388 4 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2004-05-13   
240-388 5 Gaithersburg MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-12-03   
240-388 6 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2002-12-24   
240-388 7 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2003-02-26   
240-388 8 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2003-02-26   
240-388 9 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2004-11-21   
240-389 A Ashton MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236   2025-04-02   
240-389 0 Ashton MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-03-12   
240-389 1 Ashton MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2008-02-29   
240-389 2 Ashton MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-01-21   
240-389 3 Ashton MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-01-21   
240-389 4 Ashton MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-01-21   
240-389 5 Ashton MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-09-03   
240-389 6 Ashton MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-389 7 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-24   
240-389 8 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-24   
240-389 9 Ashton MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-15   
240-390 A Ashton MD WASHDCSW01Z  829J PAETEC ITEL, LLC 236   2025-04-02   
240-390 0 Ashton MD WASHDCSW01Z  829J PAETEC ITEL, LLC 236      
240-390 1 Ashton MD WASHDCSW01Z  829J PAETEC ITEL, LLC 236      
240-390 2 Ashton MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2006-08-12   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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