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: 627

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-627 A Robbins TN RBNSTNXARS0  0565 HIGHLAND TEL. COOP, INC. 474      
423-627 0 Robbins TN   0565 HIGHLAND TEL. COOP, INC. 474      
423-627 1 Robbins TN   0565 HIGHLAND TEL. COOP, INC. 474      
423-627 2 Robbins TN   0565 HIGHLAND TEL. COOP, INC. 474      
423-627 3 Robbins TN   0565 HIGHLAND TEL. COOP, INC. 474      
423-627 4 Robbins TN   0565 HIGHLAND TEL. COOP, INC. 474      
423-627 5 Robbins TN   0565 HIGHLAND TEL. COOP, INC. 474      
423-627 6 Robbins TN   0565 HIGHLAND TEL. COOP, INC. 474      
423-627 7 Robbins TN   6278 UNITED STATES CELLULAR - TN 474      
423-627 8 Robbins TN   0565 HIGHLAND TEL. COOP, INC. 474      
423-627 9 Robbins TN   0565 HIGHLAND TEL. COOP, INC. 474      

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

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