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.

NPA: 816 [Rate centres in NPA 816] [Dial plan for NPA 816]

NXX: 917

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-917 A Buckner MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524      
816-917 0 Buckner MO KSCYMO55XSY  073H TELNYX LLC 524   2020-07-30   
816-917 1 Buckner MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524   2024-08-11   
816-917 2 Buckner MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2020-07-29   
816-917 3 Buckner MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2020-07-29   
816-917 7 Buckner MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2021-11-20   
816-917 8 Buckner MO KSCYMO55XJZ  490J DISH WIRELESS, LLC 524   2022-12-20   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.