Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 816 [Rate centres in NPA 816] [Dial plan for NPA 816]

NXX: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-323 A Richmond MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524      
816-323 0 Richmond MO   993E BANDWIDTH.COM CLEC, LLC - MO 524   2019-10-12   
816-323 1 Richmond MO   793K TWC IP ENABLED SERVICES, LLC 524   2023-07-14   
816-323 2 Richmond MO   093F ONVOY, LLC - MO 524   2020-07-09   
816-323 3 Richmond MO   093F ONVOY, LLC - MO 524   2020-07-09   
816-323 4 Richmond MO   093F ONVOY, LLC - MO 524   2020-07-07   
816-323 5 Richmond MO   093F ONVOY, LLC - MO 524   2020-07-07   
816-323 6 Richmond MO   093F ONVOY, LLC - MO 524   2020-11-07   
816-323 7 Richmond MO   093F ONVOY, LLC - MO 524   2021-03-06   
816-323 8 Richmond MO   093F ONVOY, LLC - MO 524   2020-11-07   
816-323 9 Richmond MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2021-04-01   

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

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