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
312-890 A Chicago Zone 01-Wabash IL BRDVILBOCM0  6664 SPRINT SPECTRUM L.P. 358      
312-890 0 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2010-11-05   
312-890 1 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2010-11-05   
312-890 2 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-890 3 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      
312-890 4 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2010-11-05   
312-890 5 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2010-11-05   
312-890 6 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2010-11-05   
312-890 7 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2010-11-05   
312-890 8 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      
312-890 9 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      

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

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