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: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-577 A Oneida TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-577 0 Oneida TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2023-09-01   
423-577 1 Oneida TN KNVLTNMAYBX  204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-07-18   
423-577 2 Oneida TN KNVLTNMA96Z  5562 METROPCS, INC. 474   2021-05-07   
423-577 3 Oneida TN KNVLTNMA96Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2024-03-21   
423-577 4 Oneida TN KNVLTNMA96Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2024-03-21   
423-577 5 Oneida TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2024-03-23   
423-577 6 Oneida TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2023-02-13   
423-577 7 Oneida TN KNVLTNEC0MD  965H FRACTEL, LLC 474   2020-08-08   
423-577 8 Oneida TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2021-10-03   
423-577 9 Oneida TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2017-05-24   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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