Local Calling Guide

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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
301-771 A Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-771 0 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2014-09-01   
301-771 1 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-05-19   
301-771 2 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-771 3 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-771 4 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-771 5 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-771 6 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-771 7 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-771 8 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-771 9 Washington Zone 2 MD   515J IP HORIZON LLC 236   2016-05-31   
301-772 A Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-773 A Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-774 A Ashton MD OLNYMDOKRP0  9212 VERIZON MARYLAND, INC. 236      
301-775 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-776 A Laurel MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-777 A Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-777 0 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-777 1 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-777 2 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-777 3 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-777 4 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-777 5 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-777 6 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2011-02-13   
301-777 7 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-777 8 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-777 9 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
301-778 A Washington Zone 5 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-778 0 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-12   
301-778 1 Washington Zone 5 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-778 2 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2008-10-05   
301-778 3 Washington Zone 5 MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
301-778 4 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
301-778 5 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-07-15   
301-778 6 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2012-04-05   
301-778 7 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
301-778 8 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
301-778 9 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-12   
301-779 A Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 A Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 0 Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 1 Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 2 Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 3 Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 4 Washington Zone 15 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-07-12   
301-780 5 Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 6 Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 7 Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 8 Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-780 9 Washington Zone 15 MD MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236      
301-781 A Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
301-781 0 Washington Zone 4 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-18   
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 WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 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      

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

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