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: RCCYIA100MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-290 6 Rockwell City IA 482J WEBSTER-CALHOUN TELEPHONE ASSOCIATION - IA 630   2021-05-10   
712-469 6 Manson IA 482J WEBSTER-CALHOUN TELEPHONE ASSOCIATION - IA 630   2020-10-02   
712-565 A Lohrville IA 482J WEBSTER-CALHOUN TELEPHONE ASSOCIATION - IA 630      
712-565 6 Lohrville IA 482J WEBSTER-CALHOUN TELEPHONE ASSOCIATION - IA 630   2020-08-20   
712-640 A Lake City IA 482J WEBSTER-CALHOUN TELEPHONE ASSOCIATION - IA 630      
712-640 6 Lake City IA 482J WEBSTER-CALHOUN TELEPHONE ASSOCIATION - IA 630   2021-10-03   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.