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.

Switch: PLMOIL010MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-575 7 Warsaw IL 7091 ADAMS TELSYSTEMS, INC. 977   2015-05-02   
217-658 2 Sutter IL 7091 ADAMS TELSYSTEMS, INC. 977   2015-05-02   
217-842 2 Bowen IL 7091 ADAMS TELSYSTEMS, INC. 977   2015-05-02   
217-908 A Carthage IL 7091 ADAMS TELSYSTEMS, INC. 977      
217-908 1 Carthage IL 7091 ADAMS TELSYSTEMS, INC. 977   2014-10-24   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.