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
301-283 A Washington Zone 6 MD BRRDMDBRRS0  9212 VERIZON MARYLAND, INC. 236      
301-283 0 Washington Zone 6 MD BRRDMDBRRS0  9212 VERIZON MARYLAND, INC. 236      
301-283 1 Washington Zone 6 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-07-14   
301-283 2 Washington Zone 6 MD BRRDMDBRRS0  9212 VERIZON MARYLAND, INC. 236      
301-283 3 Washington Zone 6 MD BRRDMDBRRS0  9212 VERIZON MARYLAND, INC. 236      
301-283 4 Washington Zone 6 MD BRRDMDBRRS0  9212 VERIZON MARYLAND, INC. 236      
301-283 5 Washington Zone 6 MD BRRDMDBRRS0  9212 VERIZON MARYLAND, INC. 236      
301-283 6 Washington Zone 6 MD BRRDMDBRRS0  9212 VERIZON MARYLAND, INC. 236      
301-283 7 Washington Zone 6 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-11   
301-283 8 Washington Zone 6 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-10-12   
301-283 9 Washington Zone 6 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-11   
301-284 A Washington Zone 10 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-284 0 Washington Zone 10 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-05-30   
301-284 1 Washington Zone 10 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-284 2 Washington Zone 10 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-284 3 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-01-29   
301-284 4 Washington Zone 10 MD HRNDVACKBMD  5978 BROADVIEW NETWORKS OF VIRGINIA, INC. - VA 236   2013-03-12   
301-284 5 Washington Zone 10 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-284 6 Washington Zone 10 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-284 7 Washington Zone 10 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-284 8 Washington Zone 10 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2004-11-21   
301-284 9 Washington Zone 10 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-285 A Washington Zone 3 MD SLSPMDSSDS0  9212 VERIZON MARYLAND, INC. 236      
301-286 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-287 A Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-287 0 Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-287 1 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-287 2 Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-287 3 Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-287 4 Washington Zone 11 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-12-08   
301-287 5 Washington Zone 11 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-12-08   
301-287 6 Washington Zone 11 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-12-08   
301-287 7 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
301-287 8 Washington Zone 11 MD HRNDVACKAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 236   2004-03-27   
301-287 9 Washington Zone 11 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-288 A Washington Zone 12 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-288 0 Washington Zone 12 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-288 1 Washington Zone 12 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
301-288 2 Washington Zone 12 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2006-05-28   
301-288 3 Washington Zone 12 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
301-288 4 Washington Zone 12 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-10-04   
301-288 5 Washington Zone 12 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-04-23   
301-288 6 Washington Zone 12 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-288 7 Washington Zone 12 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-10-09   
301-288 8 Washington Zone 12 MD HRNDVACKBMD  5977 BROADVIEW NETWORKS, INC. - DC 236   2011-04-28   
301-288 9 Washington Zone 12 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-289 A Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-289 2 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-289 3 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-289 4 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   

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

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