Local Calling Guide

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Washington Zone 12, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-293 A LNHMMDADDS0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-293 0   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-293 1   8992 ALLEGIANCE TELECOM, INC. - MD 236   2002-07-08   
240-293 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-293 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-293 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-02-17   
240-293 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-04-07   
240-293 6   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2005-07-25   
240-293 7   8864 BROADWING COMMUNICATIONS. LLC - MD 236   2006-07-10   
240-293 8   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-293 9   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-07-14   
240-371 A   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-371 0   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-371 1   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-371 9   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-433 A HRNDVA13DS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-433 0   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-433 1   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-433 2   5562 METRO PCS, INC. 236   2013-06-16   
240-433 3   071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-433 4   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-433 9   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-471 A WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-471 0   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-471 3   4716 PAETEC COMMUNICATIONS, INC. - MD 236   2005-02-18   
240-471 4   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-471 5   5562 METRO PCS, INC. 236   2013-06-16   
240-471 6   876D ONVOY, LLC - MD 236   2014-10-27   
240-471 9   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-516 A TYCRVA03DS0  2589 US LEC OF MARYLAND, INC. 236      
240-516 0   2589 US LEC OF MARYLAND, INC. 236      
240-516 1   2589 US LEC OF MARYLAND, INC. 236      
240-516 2   2589 US LEC OF MARYLAND, INC. 236      
240-516 3   2589 US LEC OF MARYLAND, INC. 236      
240-516 4   5562 METRO PCS, INC. 236   2013-06-16   
240-516 5   2589 US LEC OF MARYLAND, INC. 236      
240-516 6   071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-06-06   
240-516 7   4773 XO MARYLAND, LLC 236   2007-04-05   
240-516 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-516 9   5562 METRO PCS, INC. 236   2013-07-25   
240-560 A WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-560 0   4773 XO MARYLAND, LLC 236      
240-560 1   082H LOCAL ACCESS LLC - MD 236   2013-09-06   
240-560 2   071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-06-16   
240-560 3   071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-06-16   
240-560 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-15   
240-560 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-06-19   
240-560 6   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2012-03-15   
240-560 7   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2007-05-18   
240-560 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-22   

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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