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: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-856 A Kewanee IL KEWNILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-856 0 Kewanee IL PEORILPJX1Y  6529 T-MOBILE USA, INC. 368   2018-03-29   
309-856 1 Kewanee IL PEORILPJX1Y  6529 T-MOBILE USA, INC. 368   2018-03-29   
309-856 5 Kewanee IL KEWNILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-856 6 Kewanee IL KEWNILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-856 7 Kewanee IL KEWNILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-856 8 Kewanee IL KEWNILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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