Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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 MCMBILXDUMD  6529 T-MOBILE USA, INC. 977      
309-299 0 Galesburg IL   5562 METROPCS, INC. 977      
309-299 1 Galesburg IL   5562 METROPCS, INC. 977      
309-299 2 Galesburg IL   6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 3 Galesburg IL   6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 4 Galesburg IL   6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 5 Galesburg IL   6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 6 Galesburg IL   6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 7 Galesburg IL   6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 8 Galesburg IL   6265 UNITED STATES CELLULAR - IL 977   2004-09-18   
309-299 9 Galesburg IL   6529 T-MOBILE USA, INC. 977      

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

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