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: KSCYMO55DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
816-576 A Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-698 A Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-698 0 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-698 1 Kansas City MO 9533 SOUTHWESTERN BELL 524      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.