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: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 733

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-733 A Farmington IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634      
319-733 0 Farmington IA DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2024-08-15   
319-733 1 Farmington IA MNPLIAXCGMD  624H ONVOY SPECTRUM, LLC 634   2024-12-19   
319-733 3 Farmington IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634   2022-05-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.