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: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-390 A Randallstown MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2022-03-13   
667-390 0 Randallstown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-06-09   
667-390 6 Randallstown MD   876D ONVOY, LLC - MD 238   2022-04-25   
667-390 7 Randallstown MD   876D ONVOY, LLC - MD 238   2022-04-25   
667-390 8 Randallstown MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2022-03-13   
667-390 9 Randallstown MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2022-03-13   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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