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: KSCYMO01DS0

Remotes:

Switch Switch name Switch type
KSCYMO22RS1  Independence ISDN  ORM 

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
816-920 8 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-920 9 Kansas City MO 9533 SOUTHWESTERN BELL 524      

<< 1 2

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.