Telephone Area Code 312

Area code 312 serves the state of Illinois and located in the Central (GMT -06:00) time zone. 111,242 phone numbers in the 312 area code can be found in 7 cities or locations. Area code 312 serves the state of Illinois. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 312 is a General Purpose Code. 312 service area does overlap with 872 area codes. Dialing pattern for local calls within the same NPA (area code) is 1+10D.

area codes

Area Code 312 Information

Area Code
312
Country
United States
State/Province
Illinois (IL)
Major City
Chicago
Time Zone
Central (GMT -06:00)
Population
2,926,848
White Population
1,246,728
Black Population
1,056,172
Hispanic Population
756,641
Asian Population
132,567
Hawaiian Population
1,790
Indian Population
10,306
Other Population
394,394
Male Population
1,421,401
Female Population
1,505,447
Avg House Value
$161,712.50
Avg Household Income
$41,879.71
Avg Persons Per Household
2.60
Median Age
33.17
Median Age (Male)
32.02
Median Age (Female)
34.14

Major cities or places in Illinois within 312 area code

  • Chicago
  • Hinsdale
  • La Grange Park
  • Buffalo Grove
  • Northbrook
  • Glenview
  • Roselle

Zip codes served by 312 area code

  • 60654
  • 60661
  • 60606
  • 60611
  • 60601
  • 60603
  • 60605
  • 60604
  • 60015
  • 60062
  • 60026
  • 60090
  • 60070
  • 60089
  • 60699
  • 60602
  • 60701
  • 60616
  • 60607
  • 60172
  • 60157
  • 60193
  • 60619
  • 60621
  • 60637
  • 60513
  • 60558
  • 60526
  • 60804
  • 60632
  • 60623
  • 60522
  • 60514
  • 60652
  • 60638
  • 60629
  • 60615
  • 60609
  • 60653
  • 60614
  • 60647
  • 60657
  • 60636
  • 60612
  • 60624

Carriers providing by 312 area code

  • Ameritech Illinois
  • Sprint Spectrum L.p.
  • Teleport Communications America, Llc - Il
  • T-mobile Usa, Inc.
  • At&t Local
  • Bandwidth.com Clec, Llc - Il
  • New Cingular Wireless Pcs, Llc - Il
  • Usa Mobility Wireless, Inc.
  • American Messaging Services, Llc
  • Mcimetro Access Transmission Services Llc
  • Broadwing Communications, Llc - Il
  • Us Xchange Of Illinois Llc Dba Choice One Comm Il
  • Cellco Partnership Dba Verizon Wireless - Il
  • First Communications Llc - Il
  • Mci Worldcom Communications, Inc. - Il
  • 365 Wireless, Llc
  • Peerless Network Of Illinois, Llc - Il
  • Rcn Telecom Services Of Illinois, Inc. - Il
  • Broadvox-clec, Llc - Il
  • Getgo Communications Llc - Il
  • Level 3 Telecom Of Illinois, Llc - Il
  • Comcast Phone Of Illinois, Llc Dba Comco - Il
  • Indiana Paging Ntwk
  • Centurylink Communications Llc
  • Xo Illinois, Inc.
  • Level 3 Communications, Llc - Il
  • Global Crossing Local Services, Inc.-il
  • Ovation Communications Of Illinois, Inc.
  • Neutral Tandem-illinois, Llc - Il
  • Rclec, Inc. - Il
  • Airus, Inc. - Il
  • Paetec Communications, Inc. - Il
  • Teleport Communications America, Llc - IL
  • Cellco Partnership Dba Verizon Wireless - IL
  • Broadvox-Clec, Llc - IL
  • Metro Pcs, Inc.
  • At&t Corp.
  • Net Talk.com, Inc. - Il
  • Cbeyond Communications, Llc - Il
  • Allegiance Telecom, Inc. - Il
  • Sigecom, Llc Dba Wow Internet Cable And Phone
  • Access One, Inc. - Il
  • Bandwidth.com Clec, Llc - IL
  • First Communications, Llc
  • New Cingular Wireless Pcs, Llc - IL
  • Vonage Network Inc.
  • Ymax Communications Corp. - Il
  • Pg Telecom Of Illinois Inc. - Il

Phone number(s) in area code 312

  • 312-477-0608
  • 312-365-7651
  • 312-874-6326
  • 312-746-6935
  • 312-983-0411
  • 312-642-3825
  • 312-637-1441
  • 312-236-4346
  • 312-319-8154
  • 312-471-9539
  • 312-967-7725
  • 312-637-6289
  • 312-361-1305
  • 312-500-7067
  • 312-343-7859
  • 312-584-0996
  • 312-279-9420
  • 312-842-3695
  • 312-900-9685
  • 312-270-8461
  • 312-638-2693
  • 312-637-3900
  • 312-967-4929
  • 312-924-4338
  • 312-883-8928
  • 312-833-3052
  • 312-824-1456
  • 312-736-2264
  • 312-642-8384
  • 312-601-6538
  • 312-585-2391
  • 312-519-8547
  • 312-500-7765
  • 312-471-8821
  • 312-471-1938
  • 312-313-7990
  • 312-313-7505
  • 312-307-5625
  • 312-284-2335
  • 312-212-0286
  • 312-212-0261
  • 312-634-6141
  • 312-684-8628
  • 312-429-0184
  • 312-635-4805
  • 312-620-2180
  • 312-642-2336
  • 312-233-2112
  • 312-870-5656
  • 312-235-1137
  • 312-637-1429
  • 312-637-1432
  • 312-275-3676
  • 312-445-3377
  • 312-800-5765
  • 312-762-0900
  • 312-273-0889
  • 312-637-1435
  • 312-312-5330
  • 312-980-9064
  • 312-471-9755
  • 312-584-4946
  • 312-340-0135
  • 312-329-9100
  • 312-945-5518
  • 312-940-4518
  • 312-933-4480
  • 312-931-5964
  • 312-840-6413
  • 312-823-8725
  • 312-789-4758
  • 312-674-7064
  • 312-638-2554
  • 312-610-6192
  • 312-601-8595
  • 312-563-6560
  • 312-535-8938
  • 312-526-6692
  • 312-500-7754
  • 312-488-1244
  • 312-487-5888
  • 312-312-9578
  • 312-257-3254
  • 312-231-8810
  • 312-340-0349
  • 312-847-5875
  • 312-535-4813
  • 312-614-1234
  • 312-483-0000
  • 312-391-3237
  • 312-241-8985
  • 312-402-0258
  • 312-241-0807
  • 312-487-9724
  • 312-709-7889
  • 312-638-2697
  • 312-210-8488
  • 312-810-2328
  • 312-985-9040
  • 312-638-4652
  • 312-637-1427
  • 312-312-7092
  • 312-874-7164
  • 312-445-0286
  • 312-818-1068
  • 312-837-0898
  • 312-313-9294
  • 312-535-9535
  • 312-966-9819
  • 312-888-6115
  • 312-746-7438
  • 312-672-1394
  • 312-645-0164
  • 312-602-3457
  • 312-598-2340
  • 312-598-1556
  • 312-572-1715
  • 312-560-3734
  • 312-547-2631
  • 312-441-9132
  • 312-377-7637
  • 312-312-8420
  • 312-251-3769
  • 312-229-0269
  • 312-205-9260
  • 312-653-2877
  • 312-998-1851
  • 312-638-2672
  • 312-637-1523
  • 312-638-4475
  • 312-783-3940
  • 312-533-1452
  • 312-515-3826
  • 312-771-4536
  • 312-535-7064
  • 312-856-6759
  • 312-405-2178
  • 312-635-8142
  • 312-470-6626
  • 312-442-0319
  • 312-279-4187
  • 312-642-5922
  • 312-985-7061
  • 312-567-5000
  • 312-596-9357
  • 312-326-0388
  • 312-964-4160
  • 312-883-5680
  • 312-809-7107
  • 312-451-5365
  • 312-232-9414
  • 312-640-7960
  • 312-951-0401
  • 312-391-5581
  • 312-226-2255
  • 312-414-6814
  • 312-624-7953
  • 312-642-7953
  • 312-872-1628
  • 312-874-6535
  • 312-824-1521
  • 312-526-6096
  • 312-448-9447
  • 312-361-5590
  • 312-330-7324
  • 312-428-8434
  • 312-478-2516
  • 312-399-8360
  • 312-837-1110
  • 312-481-1357
  • 312-282-5162
  • 312-815-8365
  • 312-818-5247
  • 312-999-4363
  • 312-966-2111
  • 312-953-6275
  • 312-890-5916
  • 312-838-0325
  • 312-741-8528
  • 312-715-4372
  • 312-651-6248
  • 312-642-2514
  • 312-622-9703
  • 312-229-6326
  • 312-586-1167
  • 312-847-1584
  • 312-669-5610
  • 312-625-5185
  • 312-535-0817
  • 312-210-9196
  • 312-619-2847
  • 312-783-3387
  • 312-872-0590
  • 312-890-9993
  • 312-603-0906
  • 312-392-1252
  • 312-940-7069
  • 312-815-1655
  • 312-392-4243
  • 312-460-3970

Recent comments in area code 312

  • 312-451-3178

    I was involved in a car accident on 4/8/19 rear ended by a car, this individual calls me several times while I’m at work, so I called back thinking it’s something important he picked up and said his name was Michael and that him and his wife help people involved in vehicle accidents, he said that since it wasn’t my fault he could help me get $$$ and asked if I was injured, but as soon as I asked him where was he calling from and what was the name of his company he just hang up on me, I called him back about 5 times and he never picked up. Sounds like a scam to me.

    Created by Dave M, 19 day ago
  • 312-465-1200

    Call from "Tony" asking if I was the decision maker for utilities. I told him I wasn't interested, asked him to remove my number and hung up. Test return call to number did not go through.

    Created by Bruce, 7 day ago
  • 312-847-7225

    This was completely worthless. I was told on your internet ad that the number I wanted information had data available, but after I paid the fee, I got this message that said the opposite. Not happy.

    Created by Anonymous, 26 day ago
  • 312-683-9620

    this came up as Bill Assistance. these people ended up leaving a msg about receiving gov't assistance on our electric bill.

    Created by Anonymous
  • 312-730-4200

    I keep getting calls from this number and others as well. It never has caller ID, so I never answer it. I do not answer numbers I do not recognize or do not have caller ID. Who is this number? And why do they bother me?

    Created by Anonymous
  • 312-256-8459

    JHave never heard of this company before. Says they are doing an article on different projects. Cannot seem to find out any info on the web.

    Created by Anonymous
  • 312-607-9178

    I do not know this #. They keep calling and leaving messages that they need my credit card information to put my order through. I have never contacted them!

    Created by Anonymous
  • 312-683-9590

    It is some one who asks who is the owner of the electric utility at this address. It is an alternate electic power provider. I told him I am not intersted and hung up but they been callng back almost daily for the last 2 weeks, I think they are connected to Positive Energy who repeatedly called also which I told them them same thing for just a few days after I told them to stop this alternate number started calling.which my Caller ID lists as Zehhava Toledano. I also have told them to stop 3 times but the calls continue.

    Created by Anonymous
  • 312-496-6609

    I called it back within 10 minutes and a recorded message says 'toll free forwarding dot com...the number you dialed is suspended.'

    Created by Anonymous
  • 312-480-5159

    someone called and said they were Stacy and I would like to know why I had to txtd them when it is obvious that they called me.

    Created by Anonymous
  • 312-981-8490

    Called a few minutes ago..said I won cruise..I said tell me ur address and I'll pick up tickets and she hung up phone at once,

    Created by Anonymous
  • 312-608-1249

    He stole 500 dollars from me. he said thta i could buy 2 rt tickets from him and I paid him after he gave me confirmation numbers and then he canceled the transaction the name of the scammer is Jim Timmons

    Created by Anonymous
  • 312-506-8397

    had a ring with this no. No msg left. soon as we rang this no call tone, just dead air. Not very too worried about it!

    Created by Anonymous
  • 312-350-4759

    The owner of this number, likes to call me in the middle of the night and sometimes during the day and make *ual advances, I have given the number to chicago police but not much they could do without a name at least.

    Created by Anonymous
  • 312-235-6341

    I have received various calls from this number. I am being harassed by this number and I am not sure where this number is from.

    Created by Anonymous
  • 312-502-5450

    Some people don't even know what they are talking about This is a Verizon customer cell phone Everyone knows that it is cricket that supplies phones to law enforcement

    Created by Anonymous
  • 312-878-2423

    Claimed they represent consumers being overcharged for insurance. Said I had been overcharged by insurance company. When I asked them if they knew who my insurance company was, she hung up on me. They knew my initials.

    Created by Anonymous
  • 312-208-3808

    Marie Wright Mortage Service has been calling me since 06/16/2011. I never answer the call because I'm not interest in a mortgage. I believe its a scam. I haven't been able to find an address or website listed for chicago Illinois. caller Id shows Marie Wright.

    Created by Anonymous
  • 312-521-3026

    rang the business, subsequently put the phone down on us. therefore we rang back. these people rang another business line. these people again put the phone down on us. soon as we attempted to ring back & pass on a msg, the me Cellular msg stated the individual was not picking up, therefore we could not pass on a msg.

    Created by Anonymous
  • 312-568-7007

    got a automated ring advising We are a contest winner, didnt listen to rest. Origin no. is 3125687007

    Created by Anonymous
  • 312-878-9761

    This is a scam game claiming you owe a company money when there was NEVER any credit card number from the institution they claim they are working for

    Created by Anonymous
  • 312-493-2433

    Dated August 27 @ 3:58 pm - From Jerry Arambula saying "FYI - saying Sr. just came in to say it looks like time is here for my dad! If you want to say bye be its to late y r more tham welcome to stop by" Text finished August 27th @ 4:29 pm! I don't know who or where this person is and I feel as if I should RSVP????

    Created by Anonymous
  • 312-887-9640

    called and asked for husband. would not say who they were. hung up on me. called from my cell they answered and then hung up. will not answer phone at all now.

    Created by Anonymous
  • 312-929-6923

    We received a call from this number. Claimed to be a "John Kelly" looking for a donation for the Chicago Police Department. We are a business and have donated to CPD for many years, so I knew right away that this was fraud. Beware.

    Created by Anonymous
  • 312-348-9716

    first started with phone calls all at times of night and texting and chirping my phone and threatening to kill me

    Created by Anonymous
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