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: 276

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-276 A Bel Air MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238      
667-276 2 Bel Air MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-276 3 Bel Air MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2020-03-19   
667-276 4 Bel Air MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-21   
667-276 5 Bel Air MD   566J RADIANTIQ LLC 238   2021-05-07   
667-276 6 Bel Air MD   876D ONVOY, LLC - MD 238   2021-03-04   
667-276 7 Bel Air MD   876D ONVOY, LLC - MD 238   2021-03-04   
667-276 8 Bel Air MD   876D ONVOY, LLC - MD 238   2021-03-04   
667-276 9 Bel Air MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-05-08   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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