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: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-279 A Hartland MI   508J CENTURYLINK COMMUNICATIONS LLC 340      
810-279 0 Hartland MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-06-13   
810-279 1 Hartland MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-06-21   
810-279 2 Hartland MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-09-19   
810-279 3 Hartland MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2016-03-28   
810-279 4 Hartland MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2016-03-28   
810-279 7 Hartland MI   508J CENTURYLINK COMMUNICATIONS LLC 340   2014-06-12   
810-279 8 Hartland MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-06-24   
810-279 9 Hartland MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-06-24   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.