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: 629 [Rate centres in NPA 629] [Dial plan for NPA 629]

NXX: 338

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
629-338 A Nashville TN   128L E. RITTER COMMUNICATIONS, LLC 470   2026-02-16   
629-338 1 Nashville TN   128L E. RITTER COMMUNICATIONS, LLC 470   2026-02-16   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.