Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Queenstown, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-304 A QNTWMDARPS0  228C IDT AMERICA CORP - MD 242   2006-05-20   
410-304 0   073H TELNYX LLC 242   2017-09-13   
410-304 1   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
410-304 2   228C IDT AMERICA CORP - MD 242   2006-05-20   
410-304 3   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242   2009-03-01   
410-304 4   7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242   2011-01-29   
410-304 5   2589 US LEC OF MARYLAND, INC. 242   2012-07-26   
410-304 6   876D ONVOY, LLC - MD 242   2018-05-27   
410-304 7   876D ONVOY, LLC - MD 242   2017-04-14   
410-304 8   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
410-304 9   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
410-827 A QNTWMDQNRS0  9212 VERIZON MARYLAND, INC. 242      
410-827 0   9212 VERIZON MARYLAND, INC. 242      
410-827 2   2593 CORE COMMUNICATIONS, INC. - MD 242   2004-04-03   
410-827 3   9212 VERIZON MARYLAND, INC. 242      
410-827 4   9212 VERIZON MARYLAND, INC. 242      
410-827 5   9212 VERIZON MARYLAND, INC. 242      
410-827 6   9212 VERIZON MARYLAND, INC. 242      
410-827 7   9212 VERIZON MARYLAND, INC. 242      
410-827 8   9212 VERIZON MARYLAND, INC. 242      
410-827 9   9212 VERIZON MARYLAND, INC. 242      
443-446 A ESTNMDES5MD  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242      
443-446 1   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-03   
443-446 2   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
443-446 4   876D ONVOY, LLC - MD 242   2018-09-13   
443-446 6   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
443-446 7   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
443-446 8   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-03   
443-446 9   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-03   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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