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: 526

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-526 A Whitesville MO WHVLMOXARS1  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-526 0 Whitesville MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-04   
816-526 1 Whitesville MO   073H TELNYX LLC 524   2020-08-08   
816-526 2 Whitesville MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-526 4 Whitesville MO   145J TERRA NOVA TELECOM INC. 524   2025-08-02   
816-526 5 Whitesville MO   093F ONVOY, LLC - MO 524   2021-05-15   
816-526 7 Whitesville MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2013-10-29   
816-526 8 Whitesville MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2017-05-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.