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.
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Switch: FRCYIAXRDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-565 A Crystal Lake IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-567 A Leland IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-581 A Forest City IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-588 A Joice IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-748 A Grafton IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-797 A Fertile IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-845 A Kensett IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-896 A Hanlontown IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-926 A Woden IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-927 A Miller IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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