Local Calling Guide

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

NXX: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-866 A Darlington MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 0 Darlington MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 1 Darlington MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 2 Darlington MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
667-866 3 Darlington MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 4 Darlington MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 5 Darlington MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 6 Darlington MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 7 Darlington MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 8 Darlington MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-866 9 Darlington MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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