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: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-505 A Deckerville MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
810-505 5 Deckerville MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
810-505 8 Deckerville MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
810-505 9 Deckerville MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.