Local Calling Guide

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Denton, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-479 A DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-479 0   9212 VERIZON MARYLAND, INC. 242      
410-479 1   9212 VERIZON MARYLAND, INC. 242      
410-479 2   9212 VERIZON MARYLAND, INC. 242      
410-479 3   9212 VERIZON MARYLAND, INC. 242      
410-479 4   9212 VERIZON MARYLAND, INC. 242      
410-479 5   9212 VERIZON MARYLAND, INC. 242      
410-479 6   2593 CORE COMMUNICATIONS, INC.- MD 242   2004-04-03   
410-479 7   7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242   2010-06-27   
410-479 8   9212 VERIZON MARYLAND, INC. 242      
410-479 9   9212 VERIZON MARYLAND, INC. 242      
443-448 A SLBRMDSBXLX  318J COMCAST IP PHONE LLC 242      
443-448 1   876D ONVOY, LLC - MD 242   2021-03-05   
443-448 2   624H ONVOY SPECTRUM, LLC 242   2021-12-09   
443-448 3   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242   2015-11-02   
443-448 4   318J COMCAST IP PHONE LLC 242   2006-07-31   
443-448 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2016-10-16   
443-448 6   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2014-06-25   
443-448 7   318J COMCAST IP PHONE LLC 242   2015-03-20   
443-448 8   876D ONVOY, LLC - MD 242   2017-04-13   
443-448 9   073H TELNYX LLC 242   2017-09-13   
667-248 A ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-248 0   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-248 1   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-248 2   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-248 3   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 4   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 5   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-248 6   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 7   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 8   876D ONVOY, LLC - MD 242   2019-03-04   
667-248 9   876D ONVOY, LLC - MD 242   2019-03-04   
667-467 A SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-08-16   
667-467 3   516J TON80 COMMUNICATIONS LLC 242   2022-03-21   
667-467 4   624H ONVOY SPECTRUM, LLC 242   2021-08-16   
667-467 5   876D ONVOY, LLC - MD 242   2021-09-25   
667-467 6   624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-467 7   876D ONVOY, LLC - MD 242   2021-12-20   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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