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: 359

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-359 A Stockbridge MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-359 0 Stockbridge MI   624H ONVOY SPECTRUM, LLC 346      
517-359 2 Stockbridge MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.