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: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-475 A Amazonia MO AMZNMOXARS1  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-475 2 Amazonia MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-475 4 Amazonia MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-475 5 Amazonia MO   093F ONVOY, LLC - MO 524   2021-09-23   
816-475 7 Amazonia MO   145J TERRA NOVA TELECOM INC. 524   2025-07-12   

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

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