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: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-346 A Brown City MI BWCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 340      
810-346 0 Brown City MI ANARMIMNX8X  3535 ACD TELECOM, INC. - MI 340   2005-07-23   
810-346 1 Brown City MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-11-08   
810-346 2 Brown City MI BWCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 340      
810-346 3 Brown City MI BWCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 340      
810-346 4 Brown City MI BWCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 340      
810-346 5 Brown City MI SFLDMIDICA0  2550 123 NET, INC. 340   2010-08-21   
810-346 6 Brown City MI SFLDMIMKDS1  473D CMC TELECOM, INC. - MI 340   2008-01-17   
810-346 7 Brown City MI   279B CLEAR RATE COMMUNICATIONS - CLEC - MI 340   2010-06-12   
810-346 8 Brown City MI BWCYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 340      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.