Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
667-276 0 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-18   
667-276 1 Bel Air MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-10-10   
667-276 2 Bel Air MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL, INC. 238   2020-12-26   
667-276 3 Bel Air MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - 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 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-11-26   
667-276 6 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-276 7 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-276 8 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-276 9 Bel Air MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-05-08   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.