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: 814

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-814 A Sweetwater TN KNVNTNEC0MD  073H TELNYX LLC 474      
423-814 0 Sweetwater TN   073H TELNYX LLC 474   2017-03-30   
423-814 1 Sweetwater TN   525E ONVOY, LLC - TN 474   2018-04-02   
423-814 2 Sweetwater TN   5562 METROPCS, INC. 474   2021-05-07   
423-814 3 Sweetwater TN   525E ONVOY, LLC - TN 474   2021-03-19   
423-814 4 Sweetwater TN   525E ONVOY, LLC - TN 474   2021-03-19   
423-814 5 Sweetwater TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2020-04-23   
423-814 6 Sweetwater TN   7476 POWERTEL NASHVILLE LICENSES, INC. 474   2021-09-17   
423-814 7 Sweetwater TN   7476 POWERTEL NASHVILLE LICENSES, INC. 474   2021-09-17   
423-814 8 Sweetwater TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2025-01-01   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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