312-379

You are reviewing the Area Code (NPA/NXX) report for 312-379. Did you mean to search the SMS short code 312379?

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🇺🇸 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 Number	312379
Basic Format	312-379
NPA (Area Code)	312
NXX	379

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	State	Region	Block Effective Date
312-379-0XXX	829J	PAETEC ITEL, LLC	CHICGOZN01	RT		IL	MW
312-379-1XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	AS	05/14/2002	IL	MW	06/03/2002
312-379-2XXX	7229	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	CHICGOZN01	RT		IL	MW
312-379-3XXX	460K	FIRST COMMUNICATIONS, LLC	CHICGOZN01	AS	01/26/2005	IL	MW	02/24/2005
312-379-4XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	AS	03/05/2000	IL	MW	05/05/2000
312-379-5XXX	829J	PAETEC ITEL, LLC	CHICGOZN01	RT		IL	MW
312-379-6XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	AS	03/05/2000	IL	MW	05/05/2000
312-379-7XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	AS	03/05/2000	IL	MW	05/05/2000
312-379-8XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	11/13/2006	IL	MW	12/09/2006
312-379-9XXX	984E	BANDWIDTH.COM CLEC, LLC - IL	CHICGOZN01	AS	01/26/2010	IL	MW	02/25/2010
312-379-XXXX	829J	PAETEC ITEL, LLC	CHICGOZN01	AS	04/10/2001	IL

Business/Government Phones on the 312-379 Prefix

Phone	Name	Address
312-379-8631	L.A. Fitness - South Loop
312-379-9075	TVP Tech Solutions LLC
312-379-9146	Landau Real Estate
312-379-0246	Chipotle	525 West Monroe Street Chicago 60661 US
312-379-1567	7-Eleven	343 North LaSalle Drive Chicago 60654 US
312-379-1700	The Rug Company	320 North Clark Street Chicago 60654 US
312-379-5637	Joe's Seafood, Prime Steak & Stone Crab	60 East Grand Avenue Chicago 60611 US
312-379-7900	Whole Foods Market	255 East Grand Avenue Chicago 60611 US
312-379-7900	The Red Star Bar	255 East Grand Avenue Chicago 60611 US
312-379-9270	Michael J. Brennan	77 West Washington Street Chicago 60602 US

Reports

Anonymous User from Worth, Illinois

February 24, 2026 at 12:46 PM

312-379-3748 reported as a Robocall. Received on February 20, 2026 at 9:53 AM.
Call for No Subject Provided

Anonymous User from , IL

December 9, 2025 at 8:39 PM

312-379-8803 reported as a Robocall. Received on December 6, 2025 at 12:44 PM.
Call for Dropped call or no message

Anonymous User from , IL

September 22, 2025 at 11:33 AM

312-379-2691 reported as a Robocall. Received on September 22, 2025 at 10:32 AM.
Call for Home security & alarms

Anonymous User from Pompano Beach, Florida

August 27, 2025 at 5:17 PM

312-379-4903 reported as a Live Voice or Other. Received on August 27, 2025 at 11:29 AM.
Call for Medical & prescriptions

Anonymous User from Anniston, Alabama

August 15, 2025 at 11:43 AM

312-379-9424 reported as a Robocall. Received on August 12, 2025 at 5:01 PM.

Anonymous User from Libertyville, Illinois

June 27, 2025 at 8:32 AM

312-379-1389 reported as a Live Voice or Other. Received on June 25, 2025 at 7:31 AM.

Anonymous User from Waukegan, IL

June 26, 2025 at 7:04 PM

312-379-8737 reported as a Live Voice. Received on June 26, 2025 at 4:18 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

June 17, 2025 at 1:25 PM

312-379-8737 reported as a Robocall. Received on June 17, 2025 at 1:24 PM.
Call for Dropped call or no message

Anonymous User from Pompano Beach, Illinois

June 16, 2025 at 4:09 PM

312-379-1780 reported as a Live Voice or Other. Received on June 16, 2025 at 3:48 PM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

June 1, 2025 at 12:46 AM

312-379-8803 reported as a Live Voice or Other. Received on January 24, 2025 at 7:41 PM.
Call for Dropped call or no message

Anonymous User from Libertyville, Illinois

April 28, 2025 at 11:52 AM

312-379-1202 reported as a Live Voice or Other. Received on April 28, 2025 at 10:50 AM.

Anonymous User from , ME

March 3, 2025 at 6:38 PM

312-379-8902 reported as a unwanted call. Received on March 3, 2025 at 12:14 PM.

Anonymous User from Libertyville, Illinois

February 20, 2025 at 2:50 PM

312-379-6163 reported as a Live Voice or Other. Received on February 20, 2025 at 1:40 PM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

February 7, 2025 at 12:33 PM

312-379-3505 reported as a unwanted call. Received on February 7, 2025 at 11:16 AM.
Call for Dropped call or no message

Anonymous User from Oakbrook Terrace, Illinois

January 21, 2025 at 2:09 PM

312-379-3800 reported as a Live Voice or Other. Received on January 17, 2025 at 6:35 PM.
Call for Dropped call or no message

Anonymous User from Libertyville, Illinois

January 9, 2025 at 7:19 PM

312-379-5850 reported as a Live Voice or Other. Received on January 9, 2025 at 6:15 PM.
Call for Medical & prescriptions

Anonymous User from Illinois, Illinois

January 9, 2025 at 4:39 PM

312-379-5851 reported as a Robocall. Received on January 9, 2025 at 3:37 PM.
Call for Medical & prescriptions

Anonymous User from Libertyville, Illinois

December 1, 2024 at 3:33 PM

312-379-1610 reported as a Live Voice or Other. Received on November 30, 2024 at 1:32 PM.

Anonymous User from Oak Lawn, IL

November 22, 2024 at 2:50 PM

312-379-0498 reported as a Live Voice. Received on November 22, 2024 at 8:45 AM.
Unwanted call for Medicare Medicaid Services
Contacted via Internet (VOIP)

Anonymous User from Libertyville, Illinois

November 18, 2024 at 7:11 PM

312-379-5802 reported as a Live Voice or Other. Received on November 18, 2024 at 5:10 PM.

Anonymous User from Chicago Il, Illinois

October 17, 2024 at 12:08 PM

312-379-8803 reported as a Live Voice or Other. Received on October 16, 2024 at 7:32 PM.
Call for Dropped call or no message

Anonymous User from Chicago Il, Illinois

October 10, 2024 at 7:11 AM

312-379-8803 reported as a Live Voice or Other. Received on October 9, 2024 at 6:20 PM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

September 14, 2024 at 3:46 PM

312-379-5637 reported as a Live Voice or Other. Received on September 14, 2024 at 10:38 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Bolingbrook, Illinois

September 5, 2024 at 11:20 AM

312-379-3197 reported as a Robocall. Received on September 5, 2024 at 10:15 AM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

August 9, 2024 at 1:02 PM

312-379-9856 reported as a unwanted call. Received on August 9, 2024 at 9:28 AM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

August 6, 2024 at 5:20 PM

312-379-7790 reported as a unwanted call. Received on August 6, 2024 at 4:10 PM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

August 5, 2024 at 11:24 PM

312-379-8803 reported as a unwanted call. Received on August 5, 2024 at 8:28 PM.
Call for Dropped call or no message

Anonymous User from , IL

July 30, 2024 at 3:31 PM

312-379-8737 reported as a Robocall. Received on July 30, 2024 at 3:21 PM.
Call for No Subject Provided

Anonymous User from , IL

June 26, 2024 at 8:22 PM

312-379-8737 reported as a Live Voice or Other. Received on June 26, 2024 at 3:34 PM.
Call for No Subject Provided

Anonymous User from , IL

June 24, 2024 at 4:30 PM

312-379-8737 reported as a unwanted call. Received on June 24, 2024 at 3:19 PM.
Call for No Subject Provided

Anonymous User from , IL

June 24, 2024 at 4:27 PM

312-379-8737 reported as a unwanted call. Received on June 24, 2024 at 3:18 PM.
Call for No Subject Provided

Anonymous User from Sandwich, Illinois

May 14, 2024 at 11:13 AM

312-379-1502 reported as a Robocall. Received on May 8, 2024 at 10:30 AM.

Anonymous User from , IL

March 13, 2024 at 10:23 AM

312-379-0414 reported as a Live Voice or Other. Received on March 5, 2024 at 10:31 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

February 1, 2024 at 6:37 PM

312-379-5129 reported as a unwanted call. Received on February 1, 2024 at 5:10 PM.
Call for No Subject Provided

Anonymous User from Hinsdale, Illinois

January 25, 2024 at 3:07 PM

312-379-2484 reported as a Live Voice or Other. Received on January 24, 2024 at 10:04 AM.
Call for Medical & prescriptions

Anonymous User from Aurora, IL

November 30, 2023 at 4:02 PM

None reported as a Prerecorded Voice. Received on November 30, 2023 at 9:30 AM.
Unwanted call for Health Insurance Services
Caller ID indicated they called from 312-379-2439
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Chicago, Illinois

October 28, 2023 at 11:02 AM

312-379-8737 reported as a Robocall. Received on October 24, 2023 at 12:54 PM.
Call for No Subject Provided

Anonymous User from , IL

October 24, 2023 at 5:42 PM

312-379-8737 reported as a Robocall. Received on October 24, 2023 at 3:40 PM.
Call for Vacation & timeshares

Anonymous User from , IL

August 15, 2023 at 2:30 PM

312-379-8689 reported as a Live Voice or Other. Received on August 15, 2023 at 1:26 PM.

Anonymous User from Germantown, Wisconsin

March 18, 2023 at 3:40 PM

312-379-9464 reported as a Live Voice or Other. Received on March 18, 2023 at 2:33 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Birmingham, Alabama

March 3, 2023 at 9:45 AM

312-379-9904 reported as a Robocall. Received on March 3, 2023 at 8:36 AM.

Anonymous User from Elgin, Illinois

February 24, 2023 at 4:53 PM

312-379-3495 reported as a Robocall. Received on February 24, 2023 at 10:26 AM.

Anonymous User from Boca Raton, Florida

January 20, 2023 at 6:21 PM

312-379-8796 reported as a Live Voice or Other. Received on January 20, 2023 at 4:15 PM.

Anonymous User from Naperville, Illinois

August 23, 2022 at 3:01 PM

312-379-4494 reported as a Live Voice or Other. Received on August 23, 2022 at 2:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

June 13, 2022 at 9:43 AM

312-379-5565 reported as a Robocall. Received on June 11, 2022 at 3:20 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , IL

June 10, 2022 at 10:58 AM

312-379-9919 reported as a Robocall. Received on June 9, 2022 at 4:38 PM.
Call for Medical & prescriptions

Anonymous User from , IL

May 26, 2022 at 10:17 AM

312-379-5565 reported as a Robocall. Received on May 25, 2022 at 6:25 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , IL

May 26, 2022 at 10:14 AM

312-379-5565 reported as a Robocall. Received on May 20, 2022 at 2:02 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Pingree Grove, IL

September 22, 2021 at 8:22 PM

312-379-8709 reported as a Live Voice. Received on September 22, 2021 at 3:15 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Berwyn, IL

May 28, 2021 at 3:02 PM

404-986-8510 reported as a Live Voice. Received on May 28, 2021 at 2:00 PM.
Unwanted call for unknown
Caller ID indicated they called from 312-379-8008
Contacted via Internet (VOIP)

Anonymous User from , IL

June 30, 2017 at 7:30 PM

312-379-5212 reported as a Prerecorded Voice. Received on June 29, 2017 at 2:05 PM.
Unwanted call for unknown
Caller ID indicated they called from 309-228-6543
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

April 18, 2017 at 8:54 PM

None reported as a Prerecorded Voice. Received on April 18, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-379-0668
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

April 4, 2017 at 6:19 PM

None reported as a Live Voice. Received on April 4, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-379-9963
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , AZ

February 1, 2017 at 4:08 PM

None reported as a Prerecorded Voice. Received on February 1, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-379-8795
Contacted via Wired

Anonymous User from , FL

July 11, 2016 at 7:39 PM

312-379-8732 reported as a Live Voice. Received on July 11, 2016 at 1:40 PM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Internet (VOIP)

Anonymous User from , IL

January 25, 2016 at 8:17 PM

reported as a Abandoned Calls. Received on January 25, 2016 at 12:45 PM.
Robocall for unknown
Caller ID indicated they called from 312-379-9957
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , FL

January 21, 2016 at 5:13 PM

reported as a Live Voice. Received on January 21, 2016 at 12:00 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 312-379-9948
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

January 12, 2016 at 11:55 PM

reported as a Live Voice. Received on January 12, 2016 at 4:45 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 312-379-9963
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

January 12, 2016 at 9:16 PM

312-379-9948 reported as a Prerecorded Voice. Received on January 12, 2016 at 12:29 PM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

December 7, 2015 at 8:29 PM

reported as a Live Voice. Received on December 7, 2015 at 1:20 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 312-379-9963
Contacted via Wired

Anonymous User from , IL

August 4, 2015 at 10:32 PM

reported as a Live Voice. Received on August 4, 2015 at 4:25 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 312-379-9948
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

312-379-0XXX: 312-379-0200 | 312-379-0237 | 312-379-0238 | 312-379-0291 | 312-379-0292 | 312-379-0297 | 312-379-0300 | 312-379-0301 | 312-379-0350 | 312-379-0400 | 312-379-0401 | 312-379-0410 | 312-379-0411 | 312-379-0415 | 312-379-0600 | 312-379-0620 | 312-379-0660 | 312-379-0666 |
312-379-1XXX: 312-379-1500 | 312-379-1508 | 312-379-1509 | 312-379-1547 | 312-379-1583 | 312-379-1600 | 312-379-1610 | 312-379-1611 | 312-379-1616 | 312-379-1620 | 312-379-1670 |
312-379-2XXX: 312-379-2300 | 312-379-2345 | 312-379-2362 | 312-379-2391 | 312-379-2396 | 312-379-2399 | 312-379-2400 | 312-379-2447 | 312-379-2480 | 312-379-2483 | 312-379-2488 | 312-379-2491 |
312-379-3XXX: 312-379-3100 | 312-379-3111 | 312-379-3191 | 312-379-3197 | 312-379-3199 | 312-379-3400 | 312-379-3420 | 312-379-3450 | 312-379-3490 | 312-379-3495 | 312-379-3499 | 312-379-3500 | 312-379-3501 | 312-379-3509 | 312-379-3520 | 312-379-3550 | 312-379-3800 | 312-379-3807 | 312-379-3808 | 312-379-3820 | 312-379-3888 |
312-379-4XXX: 312-379-4400 | 312-379-4440 | 312-379-4444 | 312-379-4490 | 312-379-4498 | 312-379-4499 |
312-379-5XXX: 312-379-5100 | 312-379-5120 | 312-379-5123 | 312-379-5125 | 312-379-5150 | 312-379-5200 | 312-379-5210 | 312-379-5211 | 312-379-5212 | 312-379-5220 | 312-379-5250 | 312-379-5500 | 312-379-5550 | 312-379-5555 | 312-379-5560 | 312-379-5562 | 312-379-5565 | 312-379-5630 | 312-379-5633 | 312-379-5638 | 312-379-5661 | 312-379-5663 | 312-379-5669 | 312-379-5800 | 312-379-5820 |
312-379-6XXX: 312-379-6100 | 312-379-6105 | 312-379-6111 | 312-379-6160 | 312-379-6161 | 312-379-6168 |
312-379-7XXX: 312-379-7700 | 312-379-7770 | 312-379-7777 | 312-379-7900 | 312-379-7901 | 312-379-7909 | 312-379-7920 |
312-379-8XXX: 312-379-8000 | 312-379-8008 | 312-379-8009 | 312-379-8080 | 312-379-8600 | 312-379-8650 | 312-379-8680 | 312-379-8681 | 312-379-8686 | 312-379-8700 | 312-379-8701 | 312-379-8730 | 312-379-8733 | 312-379-8737 | 312-379-8777 | 312-379-8800 | 312-379-8801 | 312-379-8808 | 312-379-8880 | 312-379-8900 | 312-379-8901 | 312-379-8907 |
312-379-9XXX: 312-379-9010 | 312-379-9020 | 312-379-9070 | 312-379-9071 | 312-379-9077 | 312-379-9090 | 312-379-9100 | 312-379-9111 | 312-379-9140 | 312-379-9141 | 312-379-9144 | 312-379-9217 | 312-379-9273 | 312-379-9275 | 312-379-9277 | 312-379-9283 | 312-379-9288 | 312-379-9400 | 312-379-9450 | 312-379-9460 | 312-379-9500 | 312-379-9505 | 312-379-9555 | 312-379-9580 | 312-379-9583 | 312-379-9589 | 312-379-9800 | 312-379-9801 | 312-379-9820 | 312-379-9850 | 312-379-9857 | 312-379-9858 | 312-379-9900 | 312-379-9907 | 312-379-9909 | 312-379-9990 | 312-379-9999 |