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: GRNLIAXCQMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-435 A Roland IA 221F ONVOY, LLC - IA 632      
515-435 5 Roland IA 221F ONVOY, LLC - IA 632   2022-10-28   
515-934 7 Nevada IA 221F ONVOY, LLC - IA 632   2023-08-11   
641-261 1 Toledo IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-261 2 Toledo IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-394 7 New Hampton IA 221F ONVOY, LLC - IA 632   2023-09-10   
641-432 6 Forest City IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-432 7 Forest City IA 221F ONVOY, LLC - IA 632   2023-10-15   
641-821 2 Grinnell IA 221F ONVOY, LLC - IA 632   2023-08-11   

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

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