Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-600 A Granite City IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-600 0 Granite City IL STLSMOWQDS2  224C ONVOY, LLC 520   2015-11-23   
618-600 1 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-12-13   
618-600 2 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-02-10   
618-600 3 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-02-10   
618-600 4 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-04-10   
618-600 5 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-08-21   
618-600 6 Granite City IL STLSMOWQDS2  224C ONVOY, LLC 520   2015-11-23   
618-600 7 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-08-21   
618-600 8 Granite City IL STLSMOWQDS2  224C ONVOY, LLC 520   2016-01-22   
618-600 9 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-08-21   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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