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: 778

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-778 A Sparrows Point MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-06-27   
667-778 0 Sparrows Point MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-04   
667-778 2 Sparrows Point MD   876D ONVOY, LLC - MD 238   2021-07-12   
667-778 3 Sparrows Point MD   876D ONVOY, LLC - MD 238   2021-07-12   
667-778 5 Sparrows Point MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-03-20   
667-778 6 Sparrows Point MD   624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-778 7 Sparrows Point MD   624H ONVOY SPECTRUM, LLC 238   2021-06-27   
667-778 8 Sparrows Point MD   624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-778 9 Sparrows Point MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-02-25   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.