Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-677 A Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-677 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-677 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-677 2 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 3 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 4 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 5 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 6 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 7 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 8 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 9 Baltimore MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2016-11-05   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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