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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
301-701 1 Washington Zone 13 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2024-12-05   
301-701 2 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-12-03   
301-701 3 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-12-03   
301-701 4 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-12-03   
301-701 5 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-12-03   
301-701 6 Washington Zone 13 MD WASHDC125MD  197D VONAGE AMERICA LLC 236   2020-05-20   
301-701 7 Washington Zone 13 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2024-12-05   
301-701 8 Washington Zone 13 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2024-12-05   
301-701 9 Washington Zone 13 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2024-12-05   
301-702 A Washington Zone 5 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-703 A Mount Airy MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
301-703 0 Mount Airy MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2014-05-05   
301-703 1 Mount Airy MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2015-09-17   
301-703 2 Mount Airy MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2006-05-20   
301-703 3 Mount Airy MD   829J PAETEC ITEL, LLC 240   2009-11-16   
301-703 4 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240   2004-11-17   
301-703 5 Mount Airy MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2012-05-26   
301-703 6 Mount Airy MD FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2013-06-10   
301-703 7 Mount Airy MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-08   
301-703 8 Mount Airy MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2007-04-07   
301-703 9 Mount Airy MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-02-17   
301-704 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-705 A Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 0 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 1 Waldorf MD   145J TERRA NOVA TELECOM INC. 236   2021-01-18   
301-705 2 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 3 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 4 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 5 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 6 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 7 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 8 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-705 9 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-706 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-707 A Cumberland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-708 A Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
301-708 0 Laurel (Baltimore LATA) MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
301-708 1 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-18   
301-708 2 Laurel (Baltimore LATA) MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
301-708 3 Laurel (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-09-12   
301-708 4 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-09-01   
301-708 5 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-16   
301-708 6 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-16   
301-708 7 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-09-01   
301-708 8 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-18   
301-708 9 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-18   
301-709 A Cumberland MD CMLDMDCMX0X  425J CSC WIRELESS, LLC 240      
301-709 0 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2020-09-11   
301-709 1 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-11-07   
301-709 2 Cumberland MD CMLDMDCMX0X  425J CSC WIRELESS, LLC 240   2019-07-19   
301-709 3 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-05   
301-709 4 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-05   
301-709 5 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-02-10   
301-709 6 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-02-10   
301-709 7 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-02-10   
301-709 8 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-02-10   
301-709 9 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-11-07   
301-710 A Waldorf MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-710 0 Waldorf MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-10-17   
301-710 1 Waldorf MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-12-04   
301-710 2 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236   2010-11-10   
301-710 3 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236   2010-11-10   
301-710 4 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236   2010-11-10   
301-710 5 Waldorf MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-02-20   
301-710 6 Waldorf MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-02-20   
301-710 7 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236   2010-11-10   
301-710 8 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236   2010-11-10   
301-710 9 Waldorf MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-10-26   
301-712 A Frederick MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
301-712 0 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2004-10-03   
301-712 1 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2004-10-03   
301-712 2 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2005-02-11   
301-712 3 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2005-12-10   
301-712 4 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2006-02-19   
301-712 5 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2006-04-24   
301-712 6 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2006-04-24   
301-712 7 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2006-04-24   
301-712 8 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2006-04-24   
301-712 9 Frederick MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2004-09-13   
301-713 A Washington Zone 3 MD SLSPMDSSDSS  9212 VERIZON MARYLAND, INC. 236      
301-714 A Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-714 0 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-714 1 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-714 2 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-714 3 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-714 4 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-714 5 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-714 6 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-714 7 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-714 8 Hagerstown MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2015-11-27   
301-714 9 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-715 A Washington Zone 15 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-715 0 Washington Zone 15 MD   515J IP HORIZON LLC 236   2019-04-26   
301-715 1 Washington Zone 15 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-715 2 Washington Zone 15 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-715 3 Washington Zone 15 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2009-10-09   
301-715 4 Washington Zone 15 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-715 5 Washington Zone 15 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-715 6 Washington Zone 15 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-715 7 Washington Zone 15 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-14   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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