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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
301-470 9 Washington Zone 14 MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-471 A Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
301-472 A Mechanicsville MD MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-473 A Frederick MD BRHGMDBHRS1  9212 VERIZON MARYLAND, INC. 240      
301-473 0 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2007-12-13   
301-473 1 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2007-12-13   
301-473 2 Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2007-01-25   
301-473 3 Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2007-01-25   
301-473 4 Frederick MD BRHGMDBHRS1  9212 VERIZON MARYLAND, INC. 240      
301-473 5 Frederick MD BRHGMDBHRS1  9212 VERIZON MARYLAND, INC. 240      
301-473 6 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2007-12-13   
301-473 7 Frederick MD BRHGMDBHRS1  9212 VERIZON MARYLAND, INC. 240      
301-473 8 Frederick MD BRHGMDBHRS1  9212 VERIZON MARYLAND, INC. 240      
301-473 9 Frederick MD BRHGMDBHRS1  9212 VERIZON MARYLAND, INC. 240      
301-474 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-475 A Leonardtown MD LNTWMDLTRS0  9212 VERIZON MARYLAND, INC. 236      
301-476 A Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-476 0 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-13   
301-476 1 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-20   
301-476 2 Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-476 3 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-02-06   
301-476 4 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-03-24   
301-476 5 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-20   
301-476 6 Ashton MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-20   
301-476 7 Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-476 8 Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-476 9 Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-477 A Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-477 1 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-477 2 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-477 3 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-477 4 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2017-02-01   
301-477 5 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-477 6 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-477 7 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-09-04   
301-477 8 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2018-01-14   
301-477 9 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2018-01-14   
301-478 A Flintstone MD FLNTMDFSRS0  9212 VERIZON MARYLAND, INC. 240      
301-478 0 Flintstone MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2004-03-26   
301-478 1 Flintstone MD CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240   2006-03-10   
301-478 2 Flintstone MD FLNTMDFSRS0  9212 VERIZON MARYLAND, INC. 240      
301-478 3 Flintstone MD FLNTMDFSRS0  9212 VERIZON MARYLAND, INC. 240      
301-478 4 Flintstone MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-08-24   
301-478 5 Flintstone MD OLTWMDOTRS0  9212 VERIZON MARYLAND, INC. 240      
301-478 6 Flintstone MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-03-01   
301-478 7 Flintstone MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-11-07   
301-478 8 Flintstone MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-478 9 Flintstone MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-479 A Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-479 1 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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