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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-335 1 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-335 2 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-366 1 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-370 0 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-370 1 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-370 8 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-373 8 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-373 9 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-405 1 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2025-01-07   
779-499 5 Freeport IL 6265 UNITED STATES CELLULAR - IL 360   2024-09-26   
779-577 0 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-11-15   
779-577 1 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-11-15   
779-577 8 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-11-15   
779-577 9 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-11-15   
779-678 0 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-678 1 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-710 8 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-710 9 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-797 8 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-797 9 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-867 9 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
779-895 1 Rockford IL 6265 UNITED STATES CELLULAR - IL 360   2024-10-31   
815-243 A Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-266 1 Freeport IL 6265 UNITED STATES CELLULAR - IL 360      
815-266 9 Freeport IL 6265 UNITED STATES CELLULAR - IL 360      
815-289 A Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-291 A Freeport IL 6265 UNITED STATES CELLULAR - IL 360      
815-297 2 Freeport IL 6265 UNITED STATES CELLULAR - IL 360      
815-297 3 Freeport IL 6265 UNITED STATES CELLULAR - IL 360      
815-297 4 Freeport IL 6265 UNITED STATES CELLULAR - IL 360      
815-297 5 Freeport IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 A Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 0 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 1 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 2 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 3 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 4 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 5 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 6 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 7 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-299 9 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-319 A Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-319 7 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-494 A Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-541 A Freeport IL 6265 UNITED STATES CELLULAR - IL 360      
815-543 A Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-558 A Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-558 0 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-558 1 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      
815-558 2 Rockford IL 6265 UNITED STATES CELLULAR - IL 360      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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