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: 730

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-730 A Riceville TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474      
423-730 0 Riceville TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2007-04-12   
423-730 1 Riceville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-04-20   
423-730 2 Riceville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-04-20   
423-730 3 Riceville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2019-12-19   
423-730 4 Riceville TN KNVLTNMAYIX  506J TWILIO INTERNATIONAL, INC. 474   2021-11-03   
423-730 5 Riceville TN MRTWTN280MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 474   2023-06-11   
423-730 8 Riceville TN KNVLTNMAYBX  204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-12-30   
423-730 9 Riceville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2023-09-18   

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

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