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: OSKLIA14DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-501 6 Montezuma IA 916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2019-01-16   
641-575 6 Ottumwa IA 916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2022-09-04   
641-622 6 Sigourney IA 916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2019-12-08   
641-637 6 New Sharon IA 916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2016-02-20   
641-659 6 Grinnell IA 916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2021-03-26   
641-841 2 Newton IA 916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2022-01-15   
641-933 6 Fremont IA 916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2016-02-20   
641-969 6 Eddyville IA 916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2016-02-14   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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