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: RCCYIAXCRP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-297 A Rockwell City IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-297 1 Rockwell City IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-297 5 Rockwell City IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-297 7 Rockwell City IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-297 8 Rockwell City IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-297 9 Rockwell City IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.