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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-489 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 0 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 1 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 2 Chicago Zone 01-Wabash IL CHCGILTCDS4  7056 XO ILLINOIS, INC. 358   2010-02-14   
312-489 3 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 4 Chicago Zone 01-Wabash IL CHCGILMF4MD  5562 METROPCS, INC. 358   2009-05-22   
312-489 5 Chicago Zone 01-Wabash IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2013-07-26   
312-489 6 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 7 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-489 8 Chicago Zone 01-Wabash IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-08-22   
312-489 9 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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