Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 931 [Rate centres in NPA 931] [Dial plan for NPA 931]

NXX: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-223 A Columbia TN NSVLTNMTYXZ  829J PAETEC ITEL, LLC 470   2024-12-04   
931-223 0 Columbia TN   525E ONVOY, LLC - TN 470   2015-05-02   
931-223 1 Columbia TN   829J PAETEC ITEL, LLC 470      
931-223 2 Columbia TN   829J PAETEC ITEL, LLC 470      
931-223 3 Columbia TN   829J PAETEC ITEL, LLC 470      
931-223 4 Columbia TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2015-11-15   
931-223 5 Columbia TN   792K CHARTER IP ENABLED SERVICES, LLC 470   2006-06-03   
931-223 6 Columbia TN   525E ONVOY, LLC - TN 470   2006-05-14   
931-223 7 Columbia TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 470   2006-08-19   
931-223 8 Columbia TN   792K CHARTER IP ENABLED SERVICES, LLC 470   2007-07-08   
931-223 9 Columbia TN   829J PAETEC ITEL, LLC 470      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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