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: BLTNILTSYMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-718 A Bloomington IL 495J STRATUS NETWORKS 366      
309-812 A Carlock IL 495J STRATUS NETWORKS 366      
309-813 A Bellflower IL 495J STRATUS NETWORKS 366      
309-870 A Cropsey IL 495J STRATUS NETWORKS 366      
309-878 A Cooksville IL 495J STRATUS NETWORKS 366      
779-278 A Grand Ridge IL 495J STRATUS NETWORKS 366      
779-296 A Long Point IL 495J STRATUS NETWORKS 366      
779-299 A Wenona IL 495J STRATUS NETWORKS 366      
779-304 A Rutland IL 495J STRATUS NETWORKS 366      
779-305 A Reddick IL 495J STRATUS NETWORKS 366      
779-306 A Pontiac IL 495J STRATUS NETWORKS 366      
779-307 A Lostant IL 495J STRATUS NETWORKS 366      
779-308 A Chatsworth IL 495J STRATUS NETWORKS 366      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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