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: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-455 A Edgewood MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2024-01-15   
667-455 0 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-455 1 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-455 2 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-455 3 Edgewood MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-04-25   
667-455 4 Edgewood MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-06-13   
667-455 5 Edgewood MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2024-01-15   
667-455 6 Edgewood MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-07-31   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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