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: JNCYKSXANMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
785-507 A Osage City KS 205F ONVOY, LLC - KS 534      
785-509 A Eskridge KS 205F ONVOY, LLC - KS 534      
785-590 A Alta Vista KS 205F ONVOY, LLC - KS 534      
785-599 A Melvern KS 205F ONVOY, LLC - KS 534      
785-705 A Michigan Valley KS 205F ONVOY, LLC - KS 534      
785-710 A Harveyville KS 205F ONVOY, LLC - KS 534      
785-971 A Alma KS 205F ONVOY, LLC - KS 534      
785-977 A Pomona KS 205F ONVOY, LLC - KS 534      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.