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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
301-781 1 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
301-781 2 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
301-781 3 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
301-781 4 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
301-781 5 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
301-781 6 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
301-781 7 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
301-781 8 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
301-781 9 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
301-782 A Brandywine MD BRNDMDBERS0  9212 VERIZON MARYLAND, INC. 236      
301-782 0 Brandywine MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-782 1 Brandywine MD BRNDMDBERS0  9212 VERIZON MARYLAND, INC. 236      
301-782 2 Brandywine MD BRNDMDBERS0  9212 VERIZON MARYLAND, INC. 236      
301-782 3 Brandywine MD BRNDMDBERS0  9212 VERIZON MARYLAND, INC. 236      
301-782 4 Brandywine MD BRNDMDBERS0  9212 VERIZON MARYLAND, INC. 236      
301-782 5 Brandywine MD BRNDMDBERS0  9212 VERIZON MARYLAND, INC. 236      
301-782 6 Brandywine MD BRNDMDBERS0  9212 VERIZON MARYLAND, INC. 236      
301-782 7 Brandywine MD BRNDMDBERS0  9212 VERIZON MARYLAND, INC. 236      
301-782 8 Brandywine MD   829J PAETEC ITEL, LLC 236   2010-01-18   
301-782 9 Brandywine MD BRNDMDBERS0  9212 VERIZON MARYLAND, INC. 236      
301-783 A Cumberland MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
301-784 A Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-784 0 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-784 1 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-784 2 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-784 3 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-784 4 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-784 5 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-784 6 Cumberland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-784 7 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-784 8 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-784 9 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2014-08-08   
301-785 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-786 A McCoole MD CSTWMDCRDS0  9212 VERIZON MARYLAND, INC. 240      
301-786 0 McCoole MD HGTWMD530MD  073H TELNYX LLC 240   2017-08-08   
301-786 1 McCoole MD CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240   2006-03-10   
301-786 2 McCoole MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2013-05-23   
301-786 3 McCoole MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-786 4 McCoole MD CSTWMDCRDS0  9212 VERIZON MARYLAND, INC. 240      
301-786 5 McCoole MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-786 6 McCoole MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-11-12   
301-786 7 McCoole MD CSTWMDCRDS0  9212 VERIZON MARYLAND, INC. 240      
301-786 8 McCoole MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2014-03-24   
301-786 9 McCoole MD CSTWMDCRDS0  9212 VERIZON MARYLAND, INC. 240      
301-787 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 0 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 1 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 2 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 3 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 4 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 5 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 6 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 7 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 8 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-787 9 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-02-03   
301-788 A Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
301-789 A Washington Zone 4 MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
301-789 0 Washington Zone 4 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2002-10-05   
301-789 1 Washington Zone 4 MD   829J PAETEC ITEL, LLC 236   2005-02-10   
301-789 2 Washington Zone 4 MD   829J PAETEC ITEL, LLC 236   2005-02-10   
301-789 3 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-02-15   
301-789 4 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-11-15   
301-789 5 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-04-20   
301-789 6 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-04-20   
301-789 7 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-04-20   
301-789 8 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-11-15   
301-789 9 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-02-15   
301-790 A Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-791 A Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-792 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-793 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-794 A Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 0 Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 1 Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 2 Washington Zone 14 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-794 3 Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 4 Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 5 Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 6 Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 7 Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 8 Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 9 Washington Zone 14 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-795 A Washington Zone 10 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-795 0 Washington Zone 10 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-795 1 Washington Zone 10 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-795 2 Washington Zone 10 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-795 3 Washington Zone 10 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-795 4 Washington Zone 10 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-02-08   
301-795 5 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-11-15   
301-795 6 Washington Zone 10 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-795 7 Washington Zone 10 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-795 8 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-11-15   
301-795 9 Washington Zone 10 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-796 A Washington Zone 13 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-797 A Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-798 A Damascus (Hagerstown LATA) MD NWMRMDNERS3  9212 VERIZON MARYLAND, INC. 240      
301-798 0 Damascus (Hagerstown LATA) MD NWMRMDNERS3  9212 VERIZON MARYLAND, INC. 240      
301-798 1 Damascus (Hagerstown LATA) MD   829J PAETEC ITEL, LLC 240   2015-02-09   
301-798 2 Damascus (Hagerstown LATA) MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2010-06-26   
301-798 3 Damascus (Hagerstown LATA) MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2016-02-17   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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