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: 703

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-703 A Lansing MI LNNGMINWDS0  9323 MICHIGAN BELL TEL CO 346      
517-703 0 Lansing MI LNNGMINWDS0  9323 MICHIGAN BELL TEL CO 346      
517-703 1 Lansing MI LNNGMINWDS0  9323 MICHIGAN BELL TEL CO 346      
517-703 2 Lansing MI LNNGMINWDS0  9323 MICHIGAN BELL TEL CO 346      
517-703 3 Lansing MI LNNGMIMNXHY  5562 METROPCS, INC. 346      
517-703 4 Lansing MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346      
517-703 5 Lansing MI LNNGMINWDS0  9323 MICHIGAN BELL TEL CO 346      
517-703 6 Lansing MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346      
517-703 7 Lansing MI LNNGMIMNXHY  5562 METROPCS, INC. 346      
517-703 8 Lansing MI LNNGMINWDS0  9323 MICHIGAN BELL TEL CO 346      
517-703 9 Lansing MI LNNGMINWDS0  9323 MICHIGAN BELL TEL CO 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.