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: 265

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-265 A Vienna MD ESTNMDESRMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 242      
667-265 0 Vienna MD   624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-265 1 Vienna MD   624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-265 2 Vienna MD   876D ONVOY, LLC - MD 242   2020-10-17   
667-265 3 Vienna MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 242   2019-06-18   
667-265 4 Vienna MD   876D ONVOY, LLC - MD 242   2020-04-30   
667-265 5 Vienna MD   876D ONVOY, LLC - MD 242   2020-04-30   
667-265 6 Vienna MD   876D ONVOY, LLC - MD 242   2021-03-05   
667-265 7 Vienna MD   876D ONVOY, LLC - MD 242   2023-06-17   
667-265 8 Vienna MD   073H TELNYX LLC 242   2021-05-30   
667-265 9 Vienna MD   624H ONVOY SPECTRUM, LLC 242   2021-11-15   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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