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: LKVWIAAN1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-660 6 Early IA 3699 CORN BELT COMMUNICATIONS, INC. - IA 644   2023-11-10   
712-662 5 Sac City IA 3699 CORN BELT COMMUNICATIONS, INC. - IA 644   2019-09-01   
712-665 A Lake View IA 3699 CORN BELT COMMUNICATIONS, INC. - IA 644      
712-688 5 Auburn IA 3699 CORN BELT COMMUNICATIONS, INC. - IA 644   2023-01-21   

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

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