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
301-479 2 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-479 3 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-479 4 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-479 5 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-06-17   
301-479 6 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-06-17   
301-479 7 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-479 8 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-06-17   
301-479 9 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-06-17   
301-480 A Washington Zone 2 MD BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-481 A Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-482 A Damascus MD DMSCMDDEDS0  9212 VERIZON MARYLAND, INC. 236      
301-482 0 Damascus MD DMSCMDDEDS0  9212 VERIZON MARYLAND, INC. 236      
301-482 1 Damascus MD DMSCMDDEDS0  9212 VERIZON MARYLAND, INC. 236      
301-482 2 Damascus MD DMSCMDDEDS0  9212 VERIZON MARYLAND, INC. 236      
301-482 3 Damascus MD DMSCMDDEDS0  9212 VERIZON MARYLAND, INC. 236      
301-482 4 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-22   
301-482 5 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-482 6 Damascus MD DMSCMDDEDS0  9212 VERIZON MARYLAND, INC. 236      
301-482 7 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-22   
301-482 8 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-22   
301-482 9 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-483 A Laurel MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-484 A Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-485 A Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-485 0 Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2012-10-07   
301-485 1 Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-485 2 Washington Zone 6 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-02   
301-485 3 Washington Zone 6 MD HRNDVACKBMD  9170 BROADVIEW NETWORKS, INC. - MD 236   2015-09-04   
301-485 4 Washington Zone 6 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-28   
301-485 5 Washington Zone 6 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
301-485 6 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
301-485 7 Washington Zone 6 MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236   2006-09-02   
301-485 8 Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2008-04-24   
301-485 9 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-486 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 0 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 1 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 2 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 3 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 4 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 5 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-486 6 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 7 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 8 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-486 9 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-487 A Myersville MD MYVLMDMVRS0  9212 VERIZON MARYLAND, INC. 240      
301-488 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 0 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 1 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      

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

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