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: 893

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-893 A Lansing MI LNNGMIMN06Z  506J TWILIO INTERNATIONAL, INC. 346      
517-893 0 Lansing MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346      
517-893 2 Lansing MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346      
517-893 3 Lansing MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-893 4 Lansing MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-893 5 Lansing MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-893 6 Lansing MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-893 7 Lansing MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-893 8 Lansing MI LNNGMIMN06Z  506J TWILIO INTERNATIONAL, INC. 346      
517-893 9 Lansing MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.