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.

OCN: 828B LONG LINES METRO, INC. - IA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
712-213 A Storm Lake IA STLKIAAY2MD  630      
712-222 A Sioux City IA SXCYIAEORL0  630      
712-238 A Sioux City IA SXCYIAEORL0  630      
712-244 A Sioux City IA SXCYIAEORL0  630      
712-500 A Le Mars IA LMRSIABR1MD  630      
712-600 A Missouri Valley IA MSVYIAAT1MD  644      
712-600 6 Missouri Valley IA MSVYIAAT1MD  644   2006-07-21   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.