Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 730 [Rate centres in NPA 730] [Dial plan for NPA 730]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-278 A Centralia IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-09-26   
730-278 6 Centralia IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-09-26   
730-278 7 Centralia IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-09-26   
730-278 8 Centralia IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-09-26   
730-278 9 Centralia IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-09-26   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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