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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-489 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 0 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 1 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 2 Chicago Zone 01-Wabash IL   7056 XO ILLINOIS, INC. 358   2010-02-14   
312-489 3 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 4 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2009-05-22   
312-489 5 Chicago Zone 01-Wabash IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2013-07-26   
312-489 6 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 7 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 8 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-08-22   
312-489 9 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      

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

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