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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
301-335 7 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 8 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-335 9 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-336 A Washington Zone 5 MD CPHGMDCADS0  9212 VERIZON MARYLAND, INC. 236      
301-337 A Gaithersburg MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-337 0 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-06-22   
301-337 1 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-06-14   
301-337 2 Gaithersburg MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-337 3 Gaithersburg MD HRNDVACKBMD  9170 BROADVIEW NETWORKS, INC. - MD 236   2011-03-08   
301-337 4 Gaithersburg MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-01   
301-337 5 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-11-01   
301-337 6 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-07-19   
301-337 7 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
301-337 8 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
301-337 9 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-10-22   
301-338 A Cumberland MD CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240      
301-338 0 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2011-03-10   
301-338 1 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2007-12-06   
301-338 2 Cumberland MD CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240   2006-03-25   
301-338 3 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2011-03-10   
301-338 4 Cumberland MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2011-08-25   
301-338 5 Cumberland MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2011-08-25   
301-338 6 Cumberland MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-05-30   
301-338 7 Cumberland MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2011-11-11   
301-338 8 Cumberland MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-02-19   
301-338 9 Cumberland MD CMLDMDCM2MD  836G SHENTEL COMMUNICATIONS, LLC. - MD 240   2014-06-02   
301-339 A Washington Zone 10 MD HRNDVA13AMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
301-339 0 Washington Zone 10 MD HRNDVA13AMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
301-339 1 Washington Zone 10 MD HRNDVA13AMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
301-339 2 Washington Zone 10 MD HRNDVA13AMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
301-339 3 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-12-15   
301-339 4 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-10-30   
301-339 5 Washington Zone 10 MD HRNDVA13AMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
301-339 6 Washington Zone 10 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2012-03-02   
301-339 7 Washington Zone 10 MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236   2006-12-21   
301-339 8 Washington Zone 10 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2012-12-01   
301-339 9 Washington Zone 10 MD HRNDVA13AMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
301-340 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-341 A Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-342 A Lexington Park-Great Mills MD PNATMDAFDS0  9212 VERIZON MARYLAND, INC. 236      
301-343 A Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 0 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 1 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 2 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 3 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 4 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 5 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 6 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 7 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 8 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-343 9 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
301-344 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-345 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-346 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-347 A Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 0 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 1 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 2 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 3 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 4 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 5 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-347 6 Washington Zone 2 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2017-01-20   
301-347 7 Washington Zone 2 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2017-09-14   
301-347 8 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2018-10-14   
301-347 9 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-348 A Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-348 0 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-348 1 Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-348 2 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-348 3 Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-348 4 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-348 5 Washington Zone 11 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-08-03   
301-348 6 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2012-08-26   
301-348 7 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
301-348 8 Washington Zone 11 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-02-24   
301-348 9 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-349 A Poolesville MD PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-349 0 Poolesville MD PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-349 1 Poolesville MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-349 2 Poolesville MD PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-349 3 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-01   
301-349 4 Poolesville MD PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-349 5 Poolesville MD PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-349 6 Poolesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
301-349 7 Poolesville MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236   2007-04-15   
301-349 8 Poolesville MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236   2011-01-28   
301-349 9 Poolesville MD   515J IP HORIZON LLC 236   2015-03-21   
301-350 A Washington Zone 5 MD CPHGMDCADS0  9212 VERIZON MARYLAND, INC. 236      
301-351 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-352 A Washington Zone 14 MD BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-353 A Washington Zone 10 MD GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-354 A Washington Zone 10 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-354 0 Washington Zone 10 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-354 1 Washington Zone 10 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-354 2 Washington Zone 10 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-354 3 Washington Zone 10 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-354 4 Washington Zone 10 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-354 5 Washington Zone 10 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-354 6 Washington Zone 10 MD WASIDCRG7MD  508J CENTURYLINK COMMUNICATIONS, LLC 236   2013-10-01   
301-354 7 Washington Zone 10 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      

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

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