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312-304 PHONE NUMBERS

The 312-304-XXXX area code prefix is located in Chicago, Illinois including Northbrook, Wheeling and was originally put into service on February 4th 1994. Run a search and find out who's calling you now.

Recently Reported Numbers

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Recently Unidentified numbers

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

312-304-3613New Cingular Wireless PCS
312-304-1087Ameritech Illinois
312-304-8360Ameritech Illinois
312-304-4844Level 3 Communications
312-304-3911New Cingular Wireless PCS
312-304-7549Ameritech Illinois
312-304-6714Usa Mobility Wireless
312-304-7064Ameritech Illinois
312-304-8282Ameritech Illinois
312-304-3113Ameritech Illinois
312-304-3768Ameritech Illinois
312-304-4217Ameritech Illinois
312-304-2370Ameritech Illinois
312-304-8821Ameritech Illinois
312-304-6891Ameritech Illinois
312-304-7104Ameritech Illinois

Most searched numbers

Cell
All Time This Month
312-304-8948 First seen 2011-06-15 312-304-8076 First seen 2018-03-23
312-304-5623 First seen 2012-07-22 312-304-6621 First seen 2015-09-20
312-304-3538 First seen 2014-09-01 312-304-7060 First seen 2018-07-03
312-304-5749 First seen 2012-06-02 312-304-6621 First seen 2014-10-11
312-304-3538 First seen 2011-12-26 312-304-9231 First seen 2011-02-04
Landline
All Time This Month
312-304-1028 First seen 2017-07-06 312-304-3282 First seen 2013-03-14
312-304-5973 First seen 2017-12-31 312-304-3282 First seen 2018-02-23
312-304-5674 First seen 2019-04-30 312-304-5856 First seen 2016-12-01
312-304-6004 First seen 2011-11-03 312-304-5973 First seen 2014-05-28
312-304-9511 First seen 2017-12-28 312-304-9231 First seen 2012-03-21

Cities With coverage

CITY LIST
Chicago
Hinsdale
La Grange Park
Northbrook
Roselle
Wheeling