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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

312-853-9613Ameritech Illinois
312-860-5815New Cingular Wireless PCS
312-247-9848First Communications LLC
312-828-9443Ameritech Illinois
312-587-3461Ameritech Illinois
312-447-6343Ameritech Illinois
312-307-5539New Cingular Wireless PCS
312-986-5170Ameritech Illinois
312-478-7549T-mobile Usa
312-336-4452Ameritech Illinois
312-430-1856Ameritech Illinois
312-464-6871Ameritech Illinois
312-321-9409Ameritech Illinois
312-494-8777Ameritech Illinois
312-394-5697Ameritech Illinois
312-324-3483Level 3 Communications
312-693-2505Ameritech Illinois
312-336-8073Ameritech Illinois

Most searched numbers

Cell
All Time This Month
312-464-9463 First seen 2013-07-30 312-430-8622 First seen 2010-02-14
312-478-1275 First seen 2015-04-23 312-494-7767 First seen 2018-09-01
312-130-3655 First seen 2011-04-14 312-324-1117 First seen 2017-07-01
312-321-4603 First seen 2011-01-26 312-430-8622 First seen 2014-02-28
312-307-5174 First seen 2014-01-04 312-394-3207 First seen 2019-07-11
Landline
All Time This Month
312-587-4285 First seen 2018-12-23 312-336-4837 First seen 2016-02-28
312-828-2071 First seen 2012-11-10 312-394-7732 First seen 2012-02-29
312-247-4785 First seen 2015-03-10 312-587-4285 First seen 2012-01-12
312-336-3662 First seen 2015-11-25 312-860-9002 First seen 2018-12-21
312-464-8122 First seen 2014-10-13 312-587-4285 First seen 2016-12-10

Cities With coverage

CITY LIST
Chicago
Hinsdale
La Grange Park
Northbrook
Roselle
Wheeling