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: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-253 A Agency MO AGNCMOALRS0  9533 SOUTHWESTERN BELL 524      
816-253 0 Agency MO   093F ONVOY, LLC - MO 524   2019-01-13   
816-253 1 Agency MO   9533 SOUTHWESTERN BELL 524      
816-253 2 Agency MO   159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524   2014-03-02   
816-253 3 Agency MO   425J CSC WIRELESS, LLC 524   2019-06-27   
816-253 4 Agency MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2017-03-20   
816-253 5 Agency MO   425J CSC WIRELESS, LLC 524   2019-07-15   
816-253 6 Agency MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-04   
816-253 7 Agency MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2014-05-07   
816-253 8 Agency MO   093F ONVOY, LLC - MO 524   2017-04-03   
816-253 9 Agency MO   9533 SOUTHWESTERN BELL 524      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.