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: 1282 ROCKWELL COOP. TEL. ASSN.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
641-775 A Bristow IA RCWLIAXODS2  632      
641-794 A Dougherty IA RCWLIAXODS2  632      
641-822 A Rockwell IA RCWLIAXODS2  632      
641-894 A Aredale IA RCWLIAXODS2  632      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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