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: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
464-285 A Oak Park IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-04-13   
464-285 0 Oak Park IL CHCGIL24DS6  224C ONVOY, LLC 358   2026-05-30   
464-285 7 Oak Park IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-04-13   
464-285 8 Oak Park IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-04-13   
464-285 9 Oak Park IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-04-13   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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