Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 312 [Rate centres in NPA 312] [Dial plan for NPA 312]

NXX: 753

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-753 A Chicago Zone 01-Wabash IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
312-753 0 Chicago Zone 01-Wabash IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
312-753 1 Chicago Zone 01-Wabash IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
312-753 2 Chicago Zone 01-Wabash IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
312-753 3 Chicago Zone 01-Wabash IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
312-753 4 Chicago Zone 01-Wabash IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
312-753 5 Chicago Zone 01-Wabash IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
312-753 6 Chicago Zone 01-Wabash IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2005-01-02   
312-753 7 Chicago Zone 01-Wabash IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2005-01-02   
312-753 8 Chicago Zone 01-Wabash IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-06-19   
312-753 9 Chicago Zone 01-Wabash IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-06-19   

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

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