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: HLBOKS100MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
620-416 A Hillsboro KS 433H TC WIRELESS, INC - KS 532      
620-416 0 Hillsboro KS 433H TC WIRELESS, INC - KS 532      
620-531 1 Durham KS 433H TC WIRELESS, INC - KS 532      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.