Local Calling Guide

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Huntsville, TN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-319 A HNVITNXARS0  0565 HIGHLAND TEL. COOP, INC. 474      
423-319 0   0565 HIGHLAND TEL. COOP, INC. 474      
423-319 1   0565 HIGHLAND TEL. COOP, INC. 474      
423-319 2   0565 HIGHLAND TEL. COOP, INC. 474      
423-319 3   0565 HIGHLAND TEL. COOP, INC. 474      
423-319 4   0565 HIGHLAND TEL. COOP, INC. 474      
423-319 5   0565 HIGHLAND TEL. COOP, INC. 474      
423-319 6   6278 UNITED STATES CELLULAR - TN 474      
423-319 7   6278 UNITED STATES CELLULAR - TN 474      
423-319 8   6278 UNITED STATES CELLULAR - TN 474      
423-319 9   6278 UNITED STATES CELLULAR - TN 474      
423-363 A KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-363 0   6278 UNITED STATES CELLULAR - TN 474      
423-363 3   145J TERRA NOVA TELECOM INC. 474   2025-08-10   
423-363 4   318J COMCAST IP PHONE, LLC 474   2024-06-13   
423-663 A HNVITNXARS0  0565 HIGHLAND TEL. COOP, INC. 474      
423-663 0   0565 HIGHLAND TEL. COOP, INC. 474      
423-663 1   0565 HIGHLAND TEL. COOP, INC. 474      
423-663 2   0565 HIGHLAND TEL. COOP, INC. 474      
423-663 3   0565 HIGHLAND TEL. COOP, INC. 474      
423-663 4   0565 HIGHLAND TEL. COOP, INC. 474      
423-663 5   0565 HIGHLAND TEL. COOP, INC. 474      
423-663 6   0565 HIGHLAND TEL. COOP, INC. 474      
423-663 7   6278 UNITED STATES CELLULAR - TN 474      
423-663 8   0565 HIGHLAND TEL. COOP, INC. 474      
423-663 9   0565 HIGHLAND TEL. COOP, INC. 474      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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