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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-527 A Gaithersburg MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-528 A Gaithersburg MD GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-529 A Washington Zone 10 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-530 A Washington Zone 2 MD BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      
301-531 A Washington Zone 4 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-531 0 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-03-25   
301-531 1 Washington Zone 4 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-531 2 Washington Zone 4 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-531 3 Washington Zone 4 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-531 4 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
301-531 5 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
301-531 6 Washington Zone 4 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-531 7 Washington Zone 4 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-531 8 Washington Zone 4 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-531 9 Washington Zone 4 MD HRNDVACKAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 236   2003-04-06   
301-532 A Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
301-532 0 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-07-09   
301-532 1 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-02-21   
301-532 2 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-02-21   
301-532 3 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-07-14   
301-532 4 Laurel (Baltimore LATA) MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238   2016-04-21   
301-532 5 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2017-02-04   
301-532 6 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-12-09   
301-532 7 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-11-27   
301-532 8 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-11-27   
301-532 9 Laurel (Baltimore LATA) MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-04-20   
301-533 A Oakland MD OKLDMDOKDS0  9212 VERIZON MARYLAND, INC. 240      
301-533 0 Oakland MD OKLDMDOKDS0  9212 VERIZON MARYLAND, INC. 240      
301-533 1 Oakland MD OKLDMDOKDS0  9212 VERIZON MARYLAND, INC. 240      
301-533 2 Oakland MD OKLDMDOKDS0  9212 VERIZON MARYLAND, INC. 240      
301-533 3 Oakland MD OKLDMDOKDS0  9212 VERIZON MARYLAND, INC. 240      
301-533 4 Oakland MD OKLDMDOKDS0  9212 VERIZON MARYLAND, INC. 240      
301-533 5 Oakland MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-02   
301-533 6 Oakland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2008-01-18   
301-533 7 Oakland MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2008-02-13   
301-533 8 Oakland MD FRDRMDLH7MD  281E YMAX COMMUNICATIONS CORP. - MD 240   2009-03-16   
301-533 9 Oakland MD MRBGWVBUHPA  4095 FIBERNET, LLC - WV 240   2004-02-15   
301-534 A Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236      
301-534 0 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-534 1 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-534 2 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-534 3 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-534 4 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-534 5 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-534 6 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-534 7 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-534 8 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-534 9 Indian Head MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-01-06   
301-535 A Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-536 A Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 0 Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 1 Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 2 Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 3 Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 4 Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 5 Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 6 Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 7 Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 8 Leonardtown MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-536 9 Leonardtown MD   145J TERRA NOVA TELECOM INC. 236   2021-07-16   
301-537 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 0 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 1 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 2 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 3 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 4 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 5 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 6 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 7 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 8 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-537 9 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-538 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-539 A La Plata MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-539 0 La Plata MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-539 1 La Plata MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-539 2 La Plata MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
301-539 3 La Plata MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-09-05   
301-539 4 La Plata MD LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236   2005-05-24   
301-539 5 La Plata MD HRNDVACKBMD  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 236   2005-10-07   
301-539 6 La Plata MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-08-21   
301-539 7 La Plata MD LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236   2007-12-11   
301-539 8 La Plata MD HRNDVACKBMD  9170 BROADVIEW NETWORKS, INC. - MD 236   2008-01-23   
301-539 9 La Plata MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-540 A Gaithersburg MD GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-541 A Washington Zone 5 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-541 0 Washington Zone 5 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2012-08-20   
301-541 1 Washington Zone 5 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-541 2 Washington Zone 5 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-541 3 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
301-541 4 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-06-16   
301-541 5 Washington Zone 5 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-541 6 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-06-16   
301-541 7 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-541 8 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-541 9 Washington Zone 5 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-11   
301-542 A Waldorf MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-542 0 Waldorf MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-542 1 Waldorf MD WASHDCMTX7X  2697 CTC COMMUNICATIONS CORP. - MD 236   2006-01-20   
301-542 2 Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-04-24   
301-542 3 Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-06-02   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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