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.

NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-299 A Galesburg IL   6529 T-MOBILE USA, INC. 977      
309-299 0 Galesburg IL GLBGILXD3MD  6664 SPRINT SPECTRUM, L.P. 977      
309-299 1 Galesburg IL GLBGILXD3MD  6664 SPRINT SPECTRUM, L.P. 977      
309-299 2 Galesburg IL GLBGILXDEMD  6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 3 Galesburg IL GLBGILXDEMD  6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 4 Galesburg IL GLBGILXDEMD  6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 5 Galesburg IL GLBGILXDEMD  6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 6 Galesburg IL GLBGILXDEMD  6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 7 Galesburg IL GLBGILXDEMD  6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 8 Galesburg IL GLBGILXDEMD  6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 9 Galesburg IL GLBGILXD3MD  6664 SPRINT SPECTRUM, L.P. 977      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.