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
312-545 A Chicago Zone 01-Wabash IL BRDVILBOCM1  6664 SPRINT SPECTRUM L.P. 358      
312-545 0 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2007-09-07   
312-545 1 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      
312-545 2 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2007-09-07   
312-545 3 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      
312-545 4 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      
312-545 5 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      
312-545 6 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      
312-545 7 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      
312-545 8 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358      
312-545 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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