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: 801

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-801 A Cumberland Gap TN HRGTTNAG0MD  6278 UNITED STATES CELLULAR - TN 466      
423-801 0 Cumberland Gap TN HRGTTNAG0MD  6278 UNITED STATES CELLULAR - TN 466   2008-02-09   
423-801 1 Cumberland Gap TN LXTNKYXAX2Z  525E ONVOY, LLC - TN 466   2021-03-15   
423-801 4 Cumberland Gap TN LXTNKYXAXNZ  506J TWILIO INTERNATIONAL INC 466   2021-07-17   
423-801 6 Cumberland Gap TN LXTNKYXAXCZ  624H ONVOY SPECTRUM, LLC 466   2021-12-05   
423-801 7 Cumberland Gap TN LXTNKYXAXCZ  624H ONVOY SPECTRUM, LLC 466   2021-05-22   
423-801 8 Cumberland Gap TN LXTNKYXAXCZ  624H ONVOY SPECTRUM, LLC 466   2021-05-22   
423-801 9 Cumberland Gap TN LXTNKYXAXCZ  624H ONVOY SPECTRUM, LLC 466   2021-12-05   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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