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: 583

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-583 A Hamilton MO HMTNMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-583 0 Hamilton MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2020-07-09   
816-583 1 Hamilton MO HMTNMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-583 2 Hamilton MO HMTNMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-583 3 Hamilton MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2018-11-26   
816-583 4 Hamilton MO HMTNMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-583 5 Hamilton MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2021-05-15   
816-583 6 Hamilton MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2020-07-09   
816-583 7 Hamilton MO HMTNMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-583 8 Hamilton MO   793K TWC IP ENABLED SERVICES, LLC 524   2024-11-10   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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