Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 865 [Rate centres in NPA 865] [Dial plan for NPA 865]

NXX: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
865-256 A Knoxville TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
865-256 0 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      
865-256 1 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      
865-256 2 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      
865-256 3 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      
865-256 4 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      
865-256 5 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      
865-256 6 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      
865-256 7 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      
865-256 8 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      
865-256 9 Knoxville TN   6278 UNITED STATES CELLULAR - TN 474      

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

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