Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 930 [Rate centres in NPA 930] [Dial plan for NPA 930]

NXX: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
930-301 A Madison IN   097D ONVOY, LLC - IN 338   2026-03-20   
930-301 0 Madison IN   097D ONVOY, LLC - IN 338   2026-03-20   

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

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