Where is Area Code 312?

Located in the state of Illinois (IL)

We respect your privacy.
Peoplelooker  >  Phone Search  >  312

Area Code 312

icon
Area Code 312 757 RESULTS FOUND
The 312 Area Code is located in the state of Illinois. Area Code 312 is one of the 312 three-digit telephone area codes in the USA. It covers roughly 375,706 unique phone numbers and 8,885,919 individuals near the cities of Chicago-Naperville-Elgin.
State
State:Illinois (IL)
Metro Area
Metro Area:Chicago-Naperville-Elgin
Estimated Population
Est. Population:8,885,919
Nearby Area Codes
Nearby Area Codes:219, 224, 262, 312, 331, 630, 708, 773, 779, 815, 847, 872
Phone Prefixes
Phone Prefixes:757
Phone Numbers
Phone Numbers: 375,706
Phone Number Prefixes In The 312 Area Code
Phone Prefix Location Carrier
312-463-XXXX Chicago Zone 1 Ameritech Illinois View ResultsMore >
312-478-XXXX Chicago Zone 1 T-Mobile USA Inc View ResultsMore >
312-678-XXXX Chicago Zone 1 T-Mobile USA Inc View ResultsMore >
312-874-XXXX Chicago Zone 1 New Cingular Wireless PCS LLC - IL View ResultsMore >
312-768-XXXX Chicago Zone 1 Sprint Spectrum LP View ResultsMore >
312-333-XXXX Chicago Zone 1 American Messaging Services LLC View ResultsMore >
312-382-XXXX Chicago Zone 1 Ameritech Illinois View ResultsMore >
312-250-XXXX Chicago Zone 1 USA Mobility Wireless Inc View ResultsMore >

Looking for another phone number? Search our public records.