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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) 871-4241Unknown

Child vaccines- I'm kidless and it calls multiple times per day and will not stop. Block it

(312) 488-4667Dangerous

Erectile dysfunction sales

(312) 871-4243Unknown

This is a legitimate research survey from the CDC, a government agency. If you do not want to participate, just ask them to remove you from the list. https://www.cdc.gov/vaccines/imz-managers/nis/participant/index.html

(312) 871-4243Dangerous

asking how many children in age living in house hold

(312) 766-8254Dangerous

Global market research

(312) 312-7195Dangerous

Did not answer call. Voicemail was left and it sounded like a woman asking for release from either a prison or treatment center.

(312) 806-7902Dangerous

Received a call from this number to my cell phone but declined to answer it as I was driving. The voice mail was in Chinese; I recognized the words "Ni hao", which means "Hello". The CID says Scam Likely and states the number is from Chicago. It is now blocked.

(312) 643-7353Unknown

Received a call on my cell.

(312) 741-8023Dangerous

I am being sued,

(312) 741-8023Unknown

This is mediation blah blah - I'm being sued....well......get in line.

Recently Unidentified numbers

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

312-451-2921T-mobile Usa
312-881-4406Ovation Communications Of Illinois
312-748-4255Usa Mobility Wireless
312-218-6896New Cingular Wireless PCS
312-251-2724Ameritech Illinois
312-292-1461Bandwidth.com Clec
312-334-2651First Communications LLC
312-712-3548Ameritech Illinois
312-367-9940Usa Mobility Wireless
312-310-7898Cellco Partnership DBA Verizon Wireless
312-902-2442Ameritech Illinois
312-613-8062New Cingular Wireless PCS
312-852-1926New Cingular Wireless PCS
312-841-5047New Cingular Wireless PCS
312-564-2299Cimco Communications
312-222-4239Ameritech Illinois
312-588-1557Ameritech Illinois
312-371-7531Sprint Spectrum L.p.

Most searched numbers

Cell
All Time This Month
312-712-7766 First seen 2011-01-19 312-902-5596 First seen 2019-10-03
312-251-4643 First seen 2017-03-31 312-451-9105 First seen 2014-09-19
312-841-3690 First seen 2017-12-10 312-251-4643 First seen 2010-01-23
312-881-3379 First seen 2016-07-22 312-902-5596 First seen 2018-02-01
312-371-3114 First seen 2018-05-05 312-334-7764 First seen 2013-03-08
Landline
All Time This Month
312-852-8826 First seen 2019-10-19 312-218-8667 First seen 2014-10-31
312-881-7764 First seen 2019-03-13 312-852-8826 First seen 2012-03-27
312-334-5374 First seen 2016-02-27 312-310-7481 First seen 2015-08-19
312-222-7364 First seen 2017-12-12 312-712-9636 First seen 2010-04-08
312-371-7171 First seen 2018-05-10 312-841-3581 First seen 2015-08-01

Cities With coverage

CITY LIST
Chicago
Hinsdale
La Grange Park
Northbrook
Roselle
Wheeling