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: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-458 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
667-458 0 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-08-05   
667-458 1 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-06-27   
667-458 2 Annapolis MD   515J IP HORIZON LLC 238   2016-10-14   
667-458 3 Annapolis MD   515J IP HORIZON LLC 238   2016-10-14   
667-458 4 Annapolis MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   
667-458 5 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-01-19   
667-458 6 Annapolis MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2019-03-04   
667-458 7 Annapolis MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2016-08-26   
667-458 8 Annapolis MD BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-05-25   
667-458 9 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-07-09   

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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