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: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-403 A Holt MO KSCYMO55XXX  093F ONVOY, LLC - MO 524      
816-403 0 Holt MO KSCYMO55XSY  073H TELNYX LLC 524   2023-08-04   
816-403 1 Holt MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2022-12-04   
816-403 3 Holt MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2021-09-27   
816-403 4 Holt MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2021-09-27   
816-403 8 Holt MO KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2024-04-01   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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