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: 731 [Rate centres in NPA 731] [Dial plan for NPA 731]

NXX: 610

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-610 A Selmer TN CRVLTNAOGT1  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 468      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.