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: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-856 A Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474      
423-856 0 Athens TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2016-12-01   
423-856 1 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2017-12-03   
423-856 2 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2017-12-03   
423-856 3 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2018-10-10   
423-856 4 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2018-10-10   
423-856 5 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2018-10-10   
423-856 6 Athens TN KNVNTNEC0MD  073H TELNYX LLC 474   2017-03-30   
423-856 7 Athens TN KNVLTNIIDS0  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 474   2017-06-05   
423-856 8 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2016-11-14   
423-856 9 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2016-11-14   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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