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: RCCYIAXCXMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-672 1 Rockwell City IA 624H ONVOY SPECTRUM, LLC 630   2021-10-30   
712-901 A Rockwell City IA 624H ONVOY SPECTRUM, LLC 630      
712-901 9 Rockwell City IA 624H ONVOY SPECTRUM, LLC 630   2021-05-17   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.