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: 302

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-302 A Cecilton MD SLBRMDSBWMD  073H TELNYX LLC 242      
667-302 0 Cecilton MD   073H TELNYX LLC 242   2021-04-02   
667-302 2 Cecilton MD   876D ONVOY, LLC - MD 242   2021-04-03   
667-302 3 Cecilton MD   876D ONVOY, LLC - MD 242   2021-04-03   
667-302 4 Cecilton MD   624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-302 5 Cecilton MD   624H ONVOY SPECTRUM, LLC 242   2022-01-22   
667-302 6 Cecilton MD   318J COMCAST IP PHONE, LLC 242   2022-07-05   
667-302 7 Cecilton MD   624H ONVOY SPECTRUM, LLC 242   2022-01-22   
667-302 8 Cecilton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2022-11-18   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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