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
301-851 2 Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-851 3 Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-851 4 Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-851 5 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2014-12-12   
301-851 6 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-02-29   
301-851 7 Washington Zone 4 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-851 8 Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-851 9 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-10-10   
301-852 A Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-852 0 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-02-06   
301-852 1 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-06-03   
301-852 2 Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-852 3 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-04-14   
301-852 4 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-10-12   
301-852 5 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
301-852 6 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
301-852 7 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
301-852 8 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-02-19   
301-852 9 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-02-19   
301-853 A Washington Zone 4 MD HYVLMDCMDS0  9212 VERIZON MARYLAND, INC. 236      
301-854 A Ashton (Baltimore LATA) MD CLVLMDCERP0  9212 VERIZON MARYLAND, INC. 238   2024-01-30   
301-854 0 Ashton (Baltimore LATA) MD CLVLMDCERP0  9212 VERIZON MARYLAND, INC. 238      
301-854 1 Ashton (Baltimore LATA) MD CLVLMDCERP0  9212 VERIZON MARYLAND, INC. 238      
301-854 2 Ashton (Baltimore LATA) MD CLVLMDCERP0  9212 VERIZON MARYLAND, INC. 238      
301-854 3 Ashton (Baltimore LATA) MD CLVLMDCERP0  9212 VERIZON MARYLAND, INC. 238      
301-854 4 Ashton (Baltimore LATA) MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
301-854 5 Ashton (Baltimore LATA) MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
301-854 6 Ashton (Baltimore LATA) MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
301-854 7 Ashton (Baltimore LATA) MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
301-854 8 Ashton (Baltimore LATA) MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
301-854 9 Ashton (Baltimore LATA) MD CLVLMDCERP0  9212 VERIZON MARYLAND, INC. 238      
301-855 A Washington Zone 15 (Baltimore LATA) MD NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-856 A Washington Zone 16 MD CLTNMDCLDS0  9212 VERIZON MARYLAND, INC. 236      
301-857 A Clear Spring MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
301-857 0 Clear Spring MD FRDRMDFRPS0  2593 CORE COMMUNICATIONS, INC.- MD 240   2002-09-10   
301-857 1 Clear Spring MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-10-06   
301-857 2 Clear Spring MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-10-20   
301-857 3 Clear Spring MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-10-29   
301-857 4 Clear Spring MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-857 5 Clear Spring MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-857 6 Clear Spring MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-10-26   
301-857 7 Clear Spring MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-05-17   
301-857 8 Clear Spring MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2006-08-22   
301-857 9 Clear Spring MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-05-17   
301-858 A Washington Zone 14 (Baltimore LATA) MD COTNMDCRDS0  9212 VERIZON MARYLAND, INC. 238      
301-859 A Oakland MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
301-859 0 Oakland MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2004-11-27   
301-859 1 Oakland MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-02   
301-859 2 Oakland MD FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2019-04-22   
301-859 3 Oakland MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2002-03-10   

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

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