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.

Switch: SXCYIADTX0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-398 A Onawa IA 495J STRATUS NETWORKS 630      
712-398 1 Onawa IA 495J STRATUS NETWORKS 630   2021-02-07   
712-584 0 Spencer IA 495J STRATUS NETWORKS 630   2021-01-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.