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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
301-355 2 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2011-01-22   
301-355 3 Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2008-10-05   
301-355 4 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2009-08-28   
301-355 5 Gaithersburg MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236   2007-09-04   
301-355 6 Gaithersburg MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236   2007-09-04   
301-355 7 Gaithersburg MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236   2007-09-04   
301-355 8 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2009-08-28   
301-355 9 Gaithersburg MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2011-02-02   
301-356 A Laurel MD LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236      
301-356 0 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-05-02   
301-356 1 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-05-02   
301-356 2 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-05-02   
301-356 3 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-05-02   
301-356 4 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-05-02   
301-356 5 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-05-02   
301-356 6 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-02-03   
301-356 7 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-02-03   
301-356 8 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-08-01   
301-356 9 Laurel MD LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-05   
301-357 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-357 0 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-12-07   
301-357 1 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 2 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 3 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 4 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 5 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 6 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 7 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 8 Washington Zone 3 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2007-09-13   
301-357 9 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-358 A Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 0 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 1 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 2 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 3 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-358 4 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-03-24   
301-358 5 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-358 6 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-09-29   
301-358 7 Washington Zone 15 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-358 8 Washington Zone 15 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-358 9 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-359 A Westernport MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-359 0 Westernport MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-359 1 Westernport MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-03-01   
301-359 2 Westernport MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-359 3 Westernport MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-359 4 Westernport MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-359 5 Westernport MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2010-03-05   
301-359 6 Westernport MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-02-10   
301-359 7 Westernport MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2004-03-28   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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