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: LKMLIAXODS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-569 A North Rake MN 1338 WINNEBAGO COOP. TEL. ASSN. - MN 620      
515-885 A Bancroft IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
515-886 A Lakota IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-293 A South Emmons IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-561 A Buffalo Center IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-562 A Buffalo Center IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-566 A Rake IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-568 A Scarville IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-584 A Thompson IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-591 A Lake Mills IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      
641-592 A Lake Mills IA 1337 WINNEBAGO COOP. TEL. ASSN. - IA 632      

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

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