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: OMAKNEYW8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-462 A Missouri Valley IA 516J TON80 COMMUNICATIONS, LLC 644      
712-633 A Bedford IA 516J TON80 COMMUNICATIONS, LLC 644      
712-863 A Carson IA 516J TON80 COMMUNICATIONS, LLC 644      
712-926 A Walnut IA 516J TON80 COMMUNICATIONS, LLC 644      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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