Local Calling Guide

Area code/prefix search

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NPA: 730 [Rate centres in NPA 730] [Dial plan for NPA 730]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-303 A Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-10-24   
730-303 4 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-10-24   
730-303 5 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-10-24   
730-303 6 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-10-24   
730-303 7 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-10-24   
730-303 8 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-10-24   
730-303 9 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2026-10-24   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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