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
301-898 9 Frederick MD WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-899 A Washington Zone 5 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-900 A Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
301-900 0 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-04-20   
301-900 1 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-07-27   
301-900 2 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-07-27   
301-900 3 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-07-27   
301-900 4 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-07-27   
301-900 5 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
301-900 6 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-07-27   
301-900 7 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-07-27   
301-900 8 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-07-27   
301-900 9 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-04-20   
301-901 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 0 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 1 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 2 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 3 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 4 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 5 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 6 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 7 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 8 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 9 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 A Washington Zone 13 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 0 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-12-03   
301-902 1 Washington Zone 13 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 2 Washington Zone 13 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 3 Washington Zone 13 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 4 Washington Zone 13 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-902 5 Washington Zone 13 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-902 6 Washington Zone 13 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-902 7 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2019-07-05   
301-902 8 Washington Zone 13 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 9 Washington Zone 13 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-903 A Washington Zone 10 MD GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-904 A Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-905 A Washington Zone 3 MD SLSPMDNWDS0  9212 VERIZON MARYLAND, INC. 236      
301-905 0 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-905 1 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-19   
301-905 2 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-06-04   
301-905 3 Washington Zone 3 MD SLSPMDNWDS0  9212 VERIZON MARYLAND, INC. 236      
301-905 4 Washington Zone 3 MD SLSPMDNWDS0  9212 VERIZON MARYLAND, INC. 236      
301-905 5 Washington Zone 3 MD SLSPMDNWDS0  9212 VERIZON MARYLAND, INC. 236      
301-905 6 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-09-17   
301-905 7 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-09-17   
301-905 8 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-07-06   
301-905 9 Washington Zone 3 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2014-08-29   
301-906 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-907 A Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      

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

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