Local Calling Guide

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Johnson City, TN

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-979 9 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-981 A   700J WAVENATION, LLC 956   2025-09-06   
423-981 0   700J WAVENATION, LLC 956   2025-09-06   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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