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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
301-759 A Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-760 A Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-760 0 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-12-23   
301-760 1 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236   2004-07-08   
301-760 2 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-07-03   
301-760 3 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-02-14   
301-760 4 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-760 5 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236   2004-08-10   
301-760 6 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-12-23   
301-760 7 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-02-14   
301-760 8 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-09-13   
301-760 9 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-09-13   
301-761 A Washington Zone 11 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-761 0 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-761 1 Washington Zone 11 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-29   
301-761 2 Washington Zone 11 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-04-19   
301-761 3 Washington Zone 11 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-29   
301-761 4 Washington Zone 11 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-761 5 Washington Zone 11 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-02-21   
301-761 6 Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-11-22   
301-761 7 Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-10-23   
301-761 8 Washington Zone 11 MD   876D ONVOY, LLC - MD 236   2024-02-23   
301-761 9 Washington Zone 11 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-09-01   
301-762 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-763 A Washington Zone 5 MD STLDMDSLDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 A Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 0 Waldorf MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
301-764 1 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 2 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 3 Waldorf MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-764 4 Waldorf MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-764 5 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 6 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 7 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-764 8 Waldorf MD   515J IP HORIZON LLC 236   2019-04-26   
301-764 9 Waldorf MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
301-765 A Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-765 0 Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-765 1 Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-765 2 Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-765 3 Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-765 4 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-11-15   
301-765 5 Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-765 6 Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-765 7 Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-765 8 Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-765 9 Washington Zone 10 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-766 A Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-767 A Washington Zone 2 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      
301-767 0 Washington Zone 2 MD BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      

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

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