Local Calling Guide

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

NXX:

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 ILLINOIS, INC. - IL 358      
312-753 0 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 1 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 2 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 3 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 4 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 5 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 6 Chicago Zone 01-Wabash IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2005-01-02   
312-753 7 Chicago Zone 01-Wabash IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2005-01-02   
312-753 8 Chicago Zone 01-Wabash IL   6529 T-MOBILE USA, INC. 358   2005-06-19   
312-753 9 Chicago Zone 01-Wabash IL   6529 T-MOBILE USA, INC. 358   2005-06-19   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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