Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
312-252 3 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-252 4 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-252 5 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-252 8 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-252 9 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-253 A Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-253 0 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-253 1 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-253 2 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-253 4 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-253 7 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-253 8 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-253 9 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-254 A Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-254 0 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-254 1 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-254 2 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-254 3 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-254 4 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-254 5 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-254 8 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2008-10-14   
312-254 9 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-256 A Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-256 0 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-256 2 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-256 9 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 A Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 0 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 1 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 2 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 3 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 4 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 5 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 6 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 7 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2005-12-12   
312-260 8 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-260 9 Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-262 0 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-262 1 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-262 9 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-270 2 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2017-03-10   
312-275 A Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-276 A Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-277 A Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-279 A Chicago Zone 01-Monroe IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-288 A Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-288 0 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-288 2 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-288 3 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-288 4 Chicago Zone 01-Calumet IL 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

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

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