Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX: 460

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-460 A Chicago Zone 05-Austin IL   224C ONVOY, LLC 358   2026-10-10   
773-460 0 Chicago Zone 05-Austin IL   224C ONVOY, LLC 358   2026-10-10   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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