Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 812 [Rate centres in NPA 812] [Dial plan for NPA 812]

NXX: 780

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-780 A Sullivan IN   097D ONVOY, LLC - IN 938      
812-780 0 Sullivan IN TRRHINXAX8X  624H ONVOY SPECTRUM, LLC 938   2021-11-17   
812-780 1 Sullivan IN TRRHIN02UMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 938   2024-09-06   
812-780 2 Sullivan IN TRRHINXAQMD  097D ONVOY, LLC - IN 938   2021-03-16   
812-780 3 Sullivan IN TRRHINXAQMD  097D ONVOY, LLC - IN 938   2021-03-16   
812-780 8 Sullivan IN TRRHIN02UMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 938   2015-04-03   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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