Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 463 [Rate centres in NPA 463] [Dial plan for NPA 463]

NXX: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
463-331 A Indianapolis IN   097D ONVOY, LLC - IN 336   2025-11-15   
463-331 0 Indianapolis IN   097D ONVOY, LLC - IN 336   2025-11-15   
463-331 1 Indianapolis IN   097D ONVOY, LLC - IN 336   2025-11-15   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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