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312 Area Code Prefixes

The 312 area code is located in Chicago, Illinois including Northbrook, Wheeling and was originally put into service on February 4th 1994. Find whose number this is.

Recently Reported Numbers

(312) 625-7834Unknown

Received a text with a phone number attached to it. No idea who or why.

Recently Unidentified numbers

312 area code numbers that might be spam, scams or that people have reported as unidentified callers

312-670-6993Ameritech Illinois
312-963-4531Usa Mobility Wireless
312-342-7869New Cingular Wireless PCS
312-663-5004Ameritech Illinois
312-622-4633New Cingular Wireless PCS
312-861-9265Ameritech Illinois
312-426-6548Usa Mobility Wireless
312-788-8976Ameritech Illinois
312-782-1252Ameritech Illinois
312-401-1765New Cingular Wireless PCS
312-786-3990Ameritech Illinois
312-473-7207Ymax Communications Corp.
312-647-4830T-mobile Usa

Most searched numbers

Cell
All Time This Month
312-107-1501 First seen 2018-10-16 312-670-7369 First seen 2017-06-19
312-786-3145 First seen 2015-04-21 312-401-8929 First seen 2017-01-30
312-786-3145 First seen 2015-06-11 312-663-4279 First seen 2016-10-29
312-963-6682 First seen 2018-09-12 312-963-6682 First seen 2010-01-22
312-622-3117 First seen 2017-04-12 312-622-3117 First seen 2017-07-24
Landline
All Time This Month
312-975-9383 First seen 2014-08-21 312-319-8905 First seen 2012-06-03
312-782-1023 First seen 2017-10-20 312-874-5405 First seen 2014-08-09
312-118-1260 First seen 2014-05-10 312-622-8976 First seen 2012-10-16
312-670-6156 First seen 2013-03-29 312-622-8976 First seen 2012-08-19
312-670-6156 First seen 2017-10-12 312-663-5088 First seen 2017-10-26

Cities With coverage

CITY LIST
Chicago
Hinsdale
La Grange Park
Northbrook
Roselle
Wheeling