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: KNVLIAXCTMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-448 A Melcher IA 221F ONVOY, LLC - IA 632      
641-448 0 Melcher IA 221F ONVOY, LLC - IA 632   2022-11-18   
641-508 5 Osceola IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-508 6 Osceola IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-776 0 Chariton IA 221F ONVOY, LLC - IA 632   2023-09-10   
641-831 1 Newton IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-831 6 Newton IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-831 7 Newton IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-831 8 Newton IA 221F ONVOY, LLC - IA 632   2023-10-15   
660-360 0 South Seymour MO 093F ONVOY, LLC - MO 632   2023-10-09   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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