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: TPKAKSJAXNX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
785-251 A Topeka KS 205F ONVOY, LLC - KS 534      
785-329 A Topeka KS 205F ONVOY, LLC - KS 534      
785-508 A Sabetha KS 205F ONVOY, LLC - KS 534      
785-553 A Baldwin KS 205F ONVOY, LLC - KS 534      
785-570 A Almena KS 205F ONVOY, LLC - KS 534      
785-603 A Jewell KS 205F ONVOY, LLC - KS 534      
785-605 A Norcatur KS 205F ONVOY, LLC - KS 534      
785-610 A Topeka KS 205F ONVOY, LLC - KS 534      
785-612 A Phillipsburg KS 205F ONVOY, LLC - KS 534      
785-641 A Stockton KS 205F ONVOY, LLC - KS 534      
785-649 A Garnett KS 205F ONVOY, LLC - KS 534      
785-661 A Atwood KS 205F ONVOY, LLC - KS 534      
785-708 A Blue Rapids-Waterville KS 205F ONVOY, LLC - KS 534      
785-755 A Minneapolis KS 205F ONVOY, LLC - KS 534      
785-782 A Quenemo KS 205F ONVOY, LLC - KS 534      
785-785 A Colby KS 205F ONVOY, LLC - KS 534      
785-795 A Herndon KS 205F ONVOY, LLC - KS 534      
785-880 A Waverly KS 205F ONVOY, LLC - KS 534      
785-881 A Oberlin KS 205F ONVOY, LLC - KS 534      
785-886 A Seneca KS 205F ONVOY, LLC - KS 534      
785-900 A Westphalia KS 205F ONVOY, LLC - KS 534      

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

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