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: 722

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-722 A Glenwood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-722 0 Glenwood MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-722 1 Glenwood MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-722 2 Glenwood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 3 Glenwood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 4 Glenwood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 5 Glenwood MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-722 6 Glenwood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 7 Glenwood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 8 Glenwood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-05-06   
667-722 9 Glenwood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-30   

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

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