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: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 686

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-686 A Albion MI LNNGMIMNX2Y  7421 AT&T - LOCAL 346      
517-686 0 Albion MI LNNGMIDC0MD  939H COMMIO, LLC 346   2022-11-27   
517-686 3 Albion MI LNNGMIDCDMD  516J TON80 COMMUNICATIONS, LLC 346   2022-04-21   
517-686 6 Albion MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2020-09-12   
517-686 8 Albion MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2020-09-12   
517-686 9 Albion MI LNNGMIMNX2Y  7421 AT&T - LOCAL 346      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.