Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 931 [Rate centres in NPA 931] [Dial plan for NPA 931]

NXX: 225

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-225 A Shelbyville TN NSVLTNMTYXZ  829J PAETEC ITEL, LLC 470   2024-12-04   
931-225 0 Shelbyville TN NSVLTNMTY9Z  624H ONVOY SPECTRUM, LLC 470   2023-06-11   
931-225 1 Shelbyville TN NSVLTNMTYXZ  829J PAETEC ITEL, LLC 470      
931-225 2 Shelbyville TN NSVLTNMTYXZ  829J PAETEC ITEL, LLC 470      
931-225 3 Shelbyville TN NSVLTNMTYXZ  829J PAETEC ITEL, LLC 470      
931-225 4 Shelbyville TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2024-07-08   
931-225 5 Shelbyville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 470   2025-03-09   
931-225 6 Shelbyville TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2021-06-25   
931-225 7 Shelbyville TN NSVMTN177MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470   2008-02-04   
931-225 8 Shelbyville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 470   2025-03-09   
931-225 9 Shelbyville TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2024-05-20   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.