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: 919

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-919 A New Tazewell TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-919 0 New Tazewell TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2023-09-29   
423-919 1 New Tazewell TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-03-19   
423-919 2 New Tazewell TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-03-19   
423-919 3 New Tazewell TN KNVLTNMAYIX  506J TWILIO INTERNATIONAL, INC. 474   2021-11-03   
423-919 8 New Tazewell TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2019-11-29   
423-919 9 New Tazewell TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2019-11-29   

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

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