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312-799

You are reviewing the Area Code (NPA/NXX) report for 312-799. Did you mean to search the SMS short code 312799?

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Examples: 206-739-5800, 206, 206-739, 48369

🇺🇸 DSN NORTHCOM Area Code Detected

The area code you entered, 312, overlaps with the DSN network for the Continental United States and Puerto Rico under Northern Command (NORTHCOM), though it could also be part of standard civilian phone numbers.

Raw Number312799
Basic Format312-799
NPA (Area Code)312
NXX799

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-799-0XXX6529T-MOBILE USA, INC.CHICGOZN01AS03/04/2005CHICAGO ZONE 01ILMW04/15/2005
312-799-1XXX6529T-MOBILE USA, INC.CHICGOZN01AS12/03/2004CHICAGO ZONE 01ILMW01/04/2005
312-799-2XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-799-3XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-799-4XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-799-5XXX9329ILLINOIS BELL TEL COCHICGOZN01RTCHICAGO ZONE 01ILMW
312-799-6XXX9329ILLINOIS BELL TEL COCHICGOZN01AS05/31/2000CHICAGO ZONE 01ILMW07/28/2000
312-799-7XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01AS08/16/2000CHICAGO ZONE 01ILMW08/29/2000
312-799-8XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/28/2000CHICAGO ZONE 01ILMW11/18/2000
312-799-9XXX6529T-MOBILE USA, INC.CHICGOZN01AS12/03/2004CHICAGO ZONE 01ILMW01/04/2005
312-799-XXXX9329ILLINOIS BELL TEL COCHICGOZN01ASCHICAGO ZONE 01IL

Business/Government Phones on the 312-799 Prefix

PhoneNameAddress
312-799-9192Cream Construction LLC
312-799-1118Qing Xiang Yuan Dumplings2002 South Wentworth Avenue Chicago 60616 US
312-799-2121North and Clark Café1601 North Clark Street Chicago 60614 US
312-799-3599Marisol205 East Pearson Street Chicago 60611 US

Reports

Anonymous User from , IL

April 18, 2026 at 6:31 PM

312-799-9375 reported as a Live Voice or Other. Received on April 18, 2026 at 12:42 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , IL

April 7, 2026 at 12:32 PM

312-799-4000 reported as a Robocall. Received on April 7, 2026 at 11:30 AM.
Call for No Subject Provided

Anonymous User from Elmhurst, Illinois

September 5, 2025 at 9:39 AM

312-799-5968 reported as a Robocall. Received on September 5, 2025 at 9:00 AM.
Call for No Subject Provided

Anonymous User from Libertyville, Illinois

August 23, 2025 at 2:22 PM

312-799-8291 reported as a Live Voice or Other. Received on August 23, 2025 at 1:19 PM.

Anonymous User from Libertyville, Illinois

August 15, 2025 at 1:11 PM

312-799-6946 reported as a Live Voice or Other. Received on August 15, 2025 at 11:10 AM.

Anonymous User from Libertyville, Illinois

August 10, 2025 at 1:39 PM

312-799-4682 reported as a Live Voice or Other. Received on August 9, 2025 at 12:38 PM.

Anonymous User from Libertyville, Illinois

June 19, 2025 at 1:54 PM

312-799-6397 reported as a Live Voice or Other. Received on June 19, 2025 at 12:52 PM.

Anonymous User from Libertyville, Illinois

June 2, 2025 at 3:49 PM

312-799-3618 reported as a Live Voice or Other. Received on May 28, 2025 at 2:48 PM.
Call for Medical & prescriptions

Anonymous User from Libertyville, Illinois

February 14, 2025 at 11:14 AM

312-799-7809 reported as a Live Voice or Other. Received on February 14, 2025 at 10:13 AM.

Anonymous User from Libertyville, Illinois

February 7, 2025 at 3:48 PM

312-799-4972 reported as a Live Voice or Other. Received on February 7, 2025 at 8:26 AM.
Call for Medical & prescriptions

Anonymous User from , IL

January 30, 2025 at 9:18 AM

312-799-3747 reported as a Robocall. Received on January 30, 2025 at 8:41 AM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

January 17, 2025 at 5:25 PM

312-799-4340 reported as a unwanted call. Received on January 17, 2025 at 3:21 PM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

November 26, 2024 at 4:46 PM

312-799-5847 reported as a Robocall. Received on November 26, 2024 at 3:43 PM.

Anonymous User from Burr Ridge, Illinois

November 25, 2024 at 3:03 PM

312-799-8418 reported as a Live Voice or Other. Received on November 24, 2024 at 12:21 PM.

Anonymous User from Pompano Beach, Florida

November 19, 2024 at 6:20 PM

312-799-7941 reported as a Live Voice or Other. Received on November 19, 2024 at 4:01 PM.
Call for Medical & prescriptions

Anonymous User from Libertyville, Illinois

November 12, 2024 at 6:53 PM

312-799-4261 reported as a Live Voice or Other. Received on November 12, 2024 at 4:52 PM.

Anonymous User from Chicago, Illinois

October 18, 2024 at 1:17 PM

312-799-7318 reported as a unwanted call. Received on October 18, 2024 at 9:19 PM.
Call for Dropped call or no message

Anonymous User from Libertyville, Illinois

August 23, 2024 at 1:17 PM

312-799-8984 reported as a Live Voice or Other. Received on August 23, 2024 at 10:01 AM.
Call for Medical & prescriptions

Anonymous User from Chicago, IL

August 1, 2024 at 6:04 PM

312-799-1503 reported as a Live Voice. Received on August 1, 2024 at 10:43 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Morton Grove, Illinois

June 29, 2024 at 3:46 PM

312-799-4190 reported as a Robocall. Received on June 28, 2024 at 11:25 AM.

Anonymous User from Wheeling, Illinois

April 2, 2024 at 7:50 PM

312-799-3504 reported as a Robocall. Received on April 2, 2024 at 2:59 PM.
Call for Dropped call or no message

Anonymous User from , IL

March 2, 2024 at 4:15 PM

312-799-6900 reported as a Live Voice or Other. Received on March 2, 2024 at 3:14 PM.

Anonymous User from Island Lake, Illinois

January 25, 2024 at 6:50 PM

312-799-5714 reported as a Live Voice or Other. Received on January 25, 2024 at 9:09 AM.

Anonymous User from , IL

November 9, 2023 at 4:37 PM

312-799-4585 reported as a Live Voice or Other. Received on November 7, 2023 at 2:56 PM.

Anonymous User from Chicago, Illinois

November 8, 2023 at 5:48 PM

312-799-4785 reported as a Robocall. Received on November 8, 2023 at 4:02 PM.
Call for Medical & prescriptions

Anonymous User from St Cloud, Minnesota

June 12, 2023 at 10:12 AM

312-799-8693 reported as a Live Voice or Other. Received on June 12, 2023 at 9:00 AM.

Anonymous User from Chicago, Illinois

April 8, 2023 at 11:12 AM

312-799-0228 reported as a Live Voice or Other. Received on April 7, 2023 at 5:12 PM.
Call for Energy, solar, & utilities

Anonymous User from , IL

June 9, 2017 at 6:34 PM

None reported as a Prerecorded Voice. Received on June 9, 2017 at 1:27 PM.
Unwanted call for unknown
Caller ID indicated they called from 312-799-3563
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

312-799-0XXX: 312-799-0122 | 312-799-0123 | 312-799-0129 | 312-799-0133 | 312-799-0143 | 312-799-0150 | 312-799-0152 | 312-799-0153 | 312-799-0200 | 312-799-0222 | 312-799-0226 | 312-799-0237 | 312-799-0238 | 312-799-0303 | 312-799-0390 | 312-799-0393 | 312-799-0399 |
312-799-1XXX: 312-799-1100 | 312-799-1110 | 312-799-1111 | 312-799-1119 | 312-799-1122 | 312-799-1500 | 312-799-1501 | 312-799-1509 | 312-799-1515 | 312-799-1547 |
312-799-2XXX: 312-799-2120 | 312-799-2121 | 312-799-2125 | 312-799-2195 | 312-799-2197 |
312-799-3XXX: 312-799-3500 | 312-799-3501 | 312-799-3509 | 312-799-3520 | 312-799-3550 | 312-799-3700 | 312-799-3740 | 312-799-3745 | 312-799-3747 | 312-799-3750 | 312-799-3777 |
312-799-4XXX: 312-799-4100 | 312-799-4120 | 312-799-4190 | 312-799-4199 | 312-799-4200 | 312-799-4201 | 312-799-4202 | 312-799-4260 | 312-799-4262 | 312-799-4269 | 312-799-4300 | 312-799-4301 | 312-799-4340 | 312-799-4341 | 312-799-4343 | 312-799-4350 | 312-799-4500 | 312-799-4501 | 312-799-4508 | 312-799-4580 | 312-799-4585 | 312-799-4588 | 312-799-4600 | 312-799-4601 | 312-799-4607 | 312-799-4680 | 312-799-4688 | 312-799-4689 | 312-799-4700 | 312-799-4720 | 312-799-4777 | 312-799-4780 | 312-799-4789 | 312-799-4900 | 312-799-4970 | 312-799-4975 | 312-799-4977 | 312-799-4997 | 312-799-4998 |
312-799-5XXX: 312-799-5400 | 312-799-5401 | 312-799-5409 | 312-799-5440 | 312-799-5700 | 312-799-5710 | 312-799-5711 | 312-799-5719 | 312-799-5777 | 312-799-5800 | 312-799-5820 | 312-799-5840 | 312-799-5847 |
312-799-6XXX: 312-799-6300 | 312-799-6301 | 312-799-6390 | 312-799-6393 | 312-799-6395 | 312-799-6900 | 312-799-6901 | 312-799-6950 |
312-799-7XXX: 312-799-7300 | 312-799-7310 | 312-799-7311 | 312-799-7312 | 312-799-7320 | 312-799-7800 | 312-799-7801 | 312-799-7807 | 312-799-7808 | 312-799-7888 | 312-799-7900 | 312-799-7940 | 312-799-7945 | 312-799-7947 | 312-799-7999 |
312-799-8XXX: 312-799-8000 | 312-799-8008 | 312-799-8009 | 312-799-8020 | 312-799-8080 | 312-799-8300 | 312-799-8320 | 312-799-8350 | 312-799-8355 | 312-799-8400 | 312-799-8450 | 312-799-8609 | 312-799-8651 | 312-799-8655 | 312-799-8692 | 312-799-8693 | 312-799-8698 | 312-799-8900 | 312-799-8901 | 312-799-8907 | 312-799-8980 | 312-799-8987 | 312-799-8989 |
312-799-9XXX: 312-799-9100 | 312-799-9110 | 312-799-9190 | 312-799-9192 | 312-799-9199 | 312-799-9300 | 312-799-9303 | 312-799-9305 | 312-799-9330 | 312-799-9600 | 312-799-9650 | 312-799-9670 | 312-799-9675 | 312-799-9677 | 312-799-9800 | 312-799-9801 | 312-799-9807 | 312-799-9840 | 312-799-9845 | 312-799-9847 |