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.

Moss, TN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
931-258 A GNBOTNXADS1  0579 TWIN LAKES TEL. COOP. CORP. 470      
931-336 A NSVLTN29GT1  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 470      
931-336 6   145J TERRA NOVA TELECOM INC. 470   2025-08-10   
931-336 8 NSVLTN29GT1  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 470   2020-03-14   
931-336 9 NSVLTN29GT1  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 470   2020-03-14   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.