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: PEORILPJXRZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-570 A Peoria IL 495J STRATUS NETWORKS 368      
309-619 A Chillicothe IL 495J STRATUS NETWORKS 368      
309-632 A Delavan IL 495J STRATUS NETWORKS 368      
309-638 A Galva IL 495J STRATUS NETWORKS 368      
309-656 A South Pekin IL 495J STRATUS NETWORKS 368      
309-701 A Spring Bay IL 495J STRATUS NETWORKS 368      
309-704 A Trivoli IL 495J STRATUS NETWORKS 368      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.