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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-407 A Waverly IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-407 0 Waverly IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2022-02-14   
319-407 1 Waverly IA IWCYIA702MD  939H COMMIO, LLC 635   2022-08-07   
319-407 2 Waverly IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2022-02-15   
319-407 3 Waverly IA CDRRIADTHMD  624H ONVOY SPECTRUM, LLC 635   2024-12-19   
319-407 4 Waverly IA   6266 UNITED STATES CELLULAR - IA 635   2025-01-12   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.