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: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 966

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-966 A Lomax IL MCMBILXDJMD  593K MCC TELEPHONY LLC 977      
217-966 0 Lomax IL MCMBILAABMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2021-06-20   
217-966 1 Lomax IL MCMBILXDJMD  593K MCC TELEPHONY LLC 977   2010-07-24   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.