Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 854 [Rate centres in NPA 854] [Dial plan for NPA 854]

NXX: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-230 A Olanta SC FLRNSCMAXCY  548E ONVOY, LLC - SC 432      
854-230 0 Olanta SC   073H TELNYX LLC 432   2021-04-11   
854-230 1 Olanta SC   793K TWC IP ENABLED SERVICES, LLC 432   2022-12-18   
854-230 2 Olanta SC   548E ONVOY, LLC - SC 432   2021-03-06   
854-230 3 Olanta SC   548E ONVOY, LLC - SC 432   2021-03-06   
854-230 4 Olanta SC   548E ONVOY, LLC - SC 432   2021-03-06   
854-230 8 Olanta SC   548E ONVOY, LLC - SC 432   2023-09-17   

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

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