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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-310 A Capac MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
810-310 0 Capac MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
810-310 1 Capac MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
810-310 2 Capac MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
810-310 3 Capac MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-07-09   
810-310 4 Capac MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-02-24   
810-310 5 Capac MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-02-24   
810-310 6 Capac MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-05-31   
810-310 7 Capac MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-07-15   
810-310 8 Capac MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-07-28   
810-310 9 Capac MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-16   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.