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: 343

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
463-343 A Indianapolis IN   0051 SHELCOMM 336   2026-09-25   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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