Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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St Michaels, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-745 A STMCMDSMRS0  9212 VERIZON MARYLAND, INC. 242      
410-745 0   9212 VERIZON MARYLAND, INC. 242      
410-745 1   2593 CORE COMMUNICATIONS, INC. - MD 242   2004-04-03   
410-745 2   9212 VERIZON MARYLAND, INC. 242      
410-745 3   9212 VERIZON MARYLAND, INC. 242      
410-745 4   9212 VERIZON MARYLAND, INC. 242      
410-745 5   9212 VERIZON MARYLAND, INC. 242      
410-745 6   9212 VERIZON MARYLAND, INC. 242      
410-745 7   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2012-07-13   
410-745 8   228C IDT AMERICA CORP - MD 242   2006-05-21   
410-745 9   9212 VERIZON MARYLAND, INC. 242      
667-226 A   876D ONVOY, LLC - MD 242   2017-05-11   
667-226 0   876D ONVOY, LLC - MD 242   2017-05-11   
667-226 1   073H TELNYX LLC 242   2017-09-13   
667-226 2   2589 US LEC OF MARYLAND, INC. 242   2018-01-08   
667-226 3   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
667-226 4   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
667-226 5   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
667-226 6   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
667-226 7   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
667-226 8   876D ONVOY, LLC - MD 242   2019-02-26   
667-226 9   876D ONVOY, LLC - MD 242   2019-02-26   

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

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