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: RCFRILADXHY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-203 A Rockford IL 6664 SPRINT SPECTRUM L.P. 360   2011-11-27   
779-300 A Rockford IL 6664 SPRINT SPECTRUM L.P. 360   2011-04-16   
815-519 A Rockford IL 6664 SPRINT SPECTRUM L.P. 360      
815-540 A Rockford IL 6664 SPRINT SPECTRUM L.P. 360      
815-621 A Rockford IL 6664 SPRINT SPECTRUM L.P. 360      
815-670 A Rockford IL 6664 SPRINT SPECTRUM L.P. 360      
815-914 A Rockford IL 6664 SPRINT SPECTRUM L.P. 360      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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