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: PEORILPJXOY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-228 5 Farmington IL 516C AT&T CORP. 368   2011-08-22   
309-425 A Fiatt IL 516C AT&T CORP. 368      
309-425 7 Fiatt IL 516C AT&T CORP. 368   2012-04-16   
309-435 A Canton IL 516C AT&T CORP. 368      
309-435 7 Canton IL 516C AT&T CORP. 368   2010-11-15   
309-518 3 Lewistown IL 516C AT&T CORP. 368   2011-08-22   
309-632 5 Delavan IL 516C AT&T CORP. 368   2024-08-12   
309-643 A Peoria IL 516C AT&T CORP. 368      
309-643 1 Peoria IL 516C AT&T CORP. 368   2005-05-22   
309-704 8 Trivoli IL 516C AT&T CORP. 368   2023-10-02   
309-880 2 Ipava IL 516C AT&T CORP. 368   2024-09-12   
309-884 5 Hanna City IL 516C AT&T CORP. 368   2011-08-22   
309-889 A Spring Bay IL 516C AT&T CORP. 368      
309-889 5 Spring Bay IL 516C AT&T CORP. 368   2011-08-22   
309-942 7 San Jose IL 516C AT&T CORP. 368   2024-09-12   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.