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.

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      
641-508 5 Osceola IA 221F ONVOY, LLC - IA 632      
641-508 6 Osceola IA 221F ONVOY, LLC - IA 632      
641-776 0 Chariton IA 221F ONVOY, LLC - IA 632      
641-831 1 Newton IA 221F ONVOY, LLC - IA 632      
641-831 6 Newton IA 221F ONVOY, LLC - IA 632      
641-831 7 Newton IA 221F ONVOY, LLC - IA 632      
641-831 8 Newton IA 221F ONVOY, LLC - IA 632      
660-360 0 South Seymour MO 093F ONVOY, LLC - MO 632      

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

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