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: 953

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-953 A St Joseph MO KSCYMO5502Z  598J FIVE9, INC. 524   2024-04-29   
816-953 0 St Joseph MO KSCYMO5502Z  598J FIVE9, INC. 524   2024-04-29   
816-953 1 St Joseph MO KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2025-01-12   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.