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: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-274 A Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-03   
730-274 5 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-04   
730-274 6 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-04   
730-274 7 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-22   
730-274 8 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-22   
730-274 9 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-03   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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