Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 464 [Rate centres in NPA 464] [Dial plan for NPA 464]

NXX: 259

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
464-259 A Cicero IL   224C ONVOY, LLC 358   2025-04-05   
464-259 0 Cicero IL   224C ONVOY, LLC 358   2025-04-05   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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