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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-291 A Millington MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-291 0 Millington MD   876D ONVOY, LLC - MD 242   2017-05-11   
667-291 1 Millington MD   073H TELNYX LLC 242   2017-09-13   
667-291 2 Millington MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
667-291 3 Millington MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
667-291 4 Millington MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
667-291 7 Millington MD   876D ONVOY, LLC - MD 242   2021-04-29   
667-291 8 Millington MD   876D ONVOY, LLC - MD 242   2019-03-04   
667-291 9 Millington MD   876D ONVOY, LLC - MD 242   2019-03-04   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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