Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-210 A Tellico Plains TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-210 1 Tellico Plains TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-210 4 Tellico Plains TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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