Area Code 312

Detailed information for Area Code 312
General Information for Area Code 312
Country United States
State/Province Illinois
Major City Chicago
Time Zone Central (UTC-06:00)

Area Code 312 Prefixes

Prefix Primary City County Phone Type
312-201 Chicago Cook Landline
312-202 Chicago Cook Landline
312-203 Chicago Cook Cell Number
312-204 Chicago Cook Landline
312-205 Chicago Cook Landline
312-206 Chicago Cook Cell Number
312-207 Chicago Cook Landline
312-208 Chicago Cook Cell Number
312-209 Northbrook Cook Cell Number
312-212 Chicago Cook Landline
312-213 Chicago Cook Cell Number
312-214 Chicago Cook Landline
312-216 Chicago Cook Landline
312-217 Chicago Cook Cell Number
312-218 Chicago Cook Cell Number
312-220 Chicago Cook Landline
312-221 Chicago Cook Cell Number
312-222 Chicago Cook Landline
312-223 Chicago Cook Landline
312-224 Chicago Cook Landline
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