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: JNCYKSXATMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
785-287 A Clinton KS 624H ONVOY SPECTRUM, LLC 534   2024-04-25   
785-600 A Topeka KS 624H ONVOY SPECTRUM, LLC 534      
785-659 A Wellsville KS 624H ONVOY SPECTRUM, LLC 534   2024-04-25   
785-663 A Greeley KS 624H ONVOY SPECTRUM, LLC 534   2024-04-25   
785-681 A Lecompton KS 624H ONVOY SPECTRUM, LLC 534   2024-04-25   
785-682 A Ottawa KS 624H ONVOY SPECTRUM, LLC 534   2024-04-25   
785-683 A Williamsburg KS 624H ONVOY SPECTRUM, LLC 534   2024-04-25   

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

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