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: 389

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-389 A Cambridge MD SLBRMD901MD  939H COMMIO, LLC 242      
667-389 1 Cambridge MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2022-08-12   
667-389 2 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-08-10   
667-389 3 Cambridge MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2022-09-02   
667-389 4 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-08-10   
667-389 5 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-08-10   
667-389 6 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-08-10   
667-389 7 Cambridge MD SLBRMD908MD  490J DISH WIRELESS, LLC 242   2022-12-20   
667-389 8 Cambridge MD SLBRMD901MD  939H COMMIO, LLC 242   2022-08-21   
667-389 9 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-08-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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