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: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-744 A Greenwood MO KSCYMO55XWZ  829J PAETEC ITEL, LLC 524      
816-744 0 Greenwood MO   993E BANDWIDTH.COM CLEC, LLC - MO 524   2009-01-17   
816-744 1 Greenwood MO   093F ONVOY, LLC - MO 524   2019-01-13   
816-744 2 Greenwood MO   829J PAETEC ITEL, LLC 524      
816-744 3 Greenwood MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2012-10-05   
816-744 4 Greenwood MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2006-05-18   
816-744 5 Greenwood MO   093F ONVOY, LLC - MO 524   2020-07-06   
816-744 6 Greenwood MO   093F ONVOY, LLC - MO 524   2020-07-06   
816-744 7 Greenwood MO   793K TWC IP ENABLED SERVICES, LLC 524   2023-05-14   
816-744 8 Greenwood MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2004-12-18   
816-744 9 Greenwood MO   093F ONVOY, LLC - MO 524   2024-05-23   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.