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: 340

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
463-340 A Cicero IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 336   2026-08-08   
463-340 9 Cicero IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 336   2026-08-08   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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