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.

Switch: KNVLTNMA31Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-721 6 Newport TN 6278 UNITED STATES CELLULAR - TN 474      
423-887 3 Englewood TN 6278 UNITED STATES CELLULAR - TN 474      
423-887 4 Englewood TN 6278 UNITED STATES CELLULAR - TN 474      
423-907 2 La Follette TN 6278 UNITED STATES CELLULAR - TN 474      
423-907 4 La Follette TN 6278 UNITED STATES CELLULAR - TN 474      
865-216 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-254 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-255 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-255 0 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-255 1 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-256 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 0 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 1 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 2 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 3 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 4 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 5 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 6 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 7 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-257 8 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-258 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-258 0 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-258 1 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-258 2 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-258 3 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-258 4 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-258 9 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-363 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-556 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-640 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 0 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 1 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 2 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 3 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 4 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 5 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 6 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 7 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-643 9 Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-654 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-659 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-660 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-661 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-679 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-680 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      
865-705 A Knoxville TN 6278 UNITED STATES CELLULAR - TN 474      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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