Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]

NXX: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-670 A Kimberly MO MBRLMOAM5MD  6275 UNITED STATES CELLULAR - MO 524      
660-670 0 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      
660-670 1 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      
660-670 2 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      
660-670 3 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      
660-670 4 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      
660-670 5 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      
660-670 6 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      
660-670 7 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      
660-670 8 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      
660-670 9 Kimberly MO   6275 UNITED STATES CELLULAR - MO 524      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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