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: 656

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-656 A Edgewood MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-656 0 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-656 1 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-656 2 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-656 3 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-656 4 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-656 5 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-656 6 Edgewood MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-656 7 Edgewood MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-656 8 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-656 9 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.