312-789

You are reviewing the Area Code (NPA/NXX) report for 312-789. Did you mean to search the SMS short code 312789?

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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	312789
Basic Format	312-789
NPA (Area Code)	312
NXX	789

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
312-789-0XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-789-1XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-789-2XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-789-3XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-789-4XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	04/01/2011	CHICAGO ZONE 01	IL	MW	04/13/2011
312-789-5XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	05/19/2008	CHICAGO ZONE 01	IL	MW	05/30/2008
312-789-6XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-789-7XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-789-8XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-789-9XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-789-XXXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	AS		CHICAGO ZONE 01	IL

Business/Government Phones on the 312-789 Prefix

Phone	Name	Address
312-789-4298	DIY Property Tax Appeal
312-789-9700	Jeffrey Grant Brown Pc
312-789-4600	Homeslice	938 West Webster Avenue Chicago 60614 US
312-789-4896	St. Clair Supper Club	951 West Fulton Market Chicago 60607 US
312-789-9655	Yolk - South Loop	1120 South Michigan Avenue Chicago 60605 US

Reports

Anonymous User from , IL

April 10, 2026 at 3:34 PM

312-789-6143 reported as a Robocall. Received on April 10, 2026 at 2:32 PM.
Call for No Subject Provided

Anonymous User from Westlake Village, California

April 8, 2026 at 12:17 PM

312-789-5173 reported as a Robocall. Received on April 7, 2026 at 2:02 AM.

Anonymous User from Chicago, Illinois

April 2, 2026 at 12:41 PM

312-789-5022 reported as a Live Voice or Other. Received on April 2, 2026 at 10:08 AM.

Anonymous User from Arlington Hts, Illinois

December 24, 2025 at 11:29 AM

312-789-5217 reported as a unwanted call. Received on December 19, 2025 at 1:32 PM.

Anonymous User from , IL

November 26, 2025 at 11:21 AM

312-789-5217 reported as a Live Voice or Other. Received on November 26, 2025 at 10:15 AM.

Anonymous User from , IL

September 3, 2025 at 3:27 PM

312-789-4875 reported as a Live Voice or Other. Received on September 3, 2025 at 3:25 PM.

Anonymous User from , IL

August 31, 2025 at 6:01 PM

3127890 reported as a Robocall. Received on August 29, 2025 at 4:19 PM.
Call for Dropped call or no message

Anonymous User from Willoughby, Colorado

August 6, 2025 at 10:26 AM

312-789-4778 reported as a Live Voice or Other. Received on August 5, 2025 at 9:38 AM.

Anonymous User from Chicago, Illinois

July 28, 2025 at 11:47 AM

312-789-2821 reported as a Live Voice or Other. Received on July 28, 2025 at 10:24 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Libertyville, Illinois

July 16, 2025 at 11:57 AM

312-789-1360 reported as a Live Voice or Other. Received on July 16, 2025 at 10:56 AM.

Anonymous User from Des Plaines, Illinois

July 8, 2025 at 12:45 PM

312-789-5217 reported as a Robocall. Received on June 25, 2025 at 1:06 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Des Plaines, Illinois

July 8, 2025 at 12:40 PM

312-789-5217 reported as a Robocall. Received on June 25, 2025 at 1:07 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

July 2, 2025 at 1:09 PM

312-789-5217 reported as a Live Voice or Other. Received on July 2, 2025 at 11:55 AM.
Call for Energy, solar, & utilities

Anonymous User from Edgewater, Florida

June 25, 2025 at 2:55 PM

312-789-5217 reported as a Live Voice or Other. Received on June 25, 2025 at 2:30 PM.
Call for Dropped call or no message

Anonymous User from Wheaton, Illinois

June 24, 2025 at 5:46 PM

312-789-5217 reported as a Robocall. Received on June 24, 2025 at 1:38 PM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

June 23, 2025 at 12:51 PM

312-789-4616 reported as a Robocall. Received on June 23, 2025 at 10:20 AM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

April 11, 2025 at 9:27 AM

312-789-4878 reported as a Robocall. Received on April 11, 2025 at 8:24 AM.

Anonymous User from Chicago, Illinois

April 11, 2025 at 9:27 AM

312-789-4878 reported as a Robocall. Received on April 11, 2025 at 8:24 AM.

Anonymous User from Chicago, Illinois

April 11, 2025 at 9:27 AM

312-789-4878 reported as a Robocall. Received on April 11, 2025 at 8:24 AM.

Anonymous User from , IL

March 24, 2025 at 10:10 AM

312-789-4743 reported as a Robocall. Received on March 24, 2025 at 7:59 AM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

March 8, 2025 at 12:54 PM

312-789-2692 reported as a Robocall. Received on March 8, 2025 at 11:10 AM.
Call for Dropped call or no message

Anonymous User from , TN

March 5, 2025 at 6:47 PM

312-789-5158 reported as a Live Voice or Other. Received on March 5, 2025 at 6:43 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

January 30, 2025 at 8:23 AM

312-789-1764 reported as a Robocall. Received on January 30, 2025 at 7:20 AM.
Call for Medical & prescriptions

Anonymous User from , IL

December 4, 2024 at 11:11 AM

312-789-3402 reported as a Robocall. Received on December 4, 2024 at 8:00 AM.
Call for Medical & prescriptions

Anonymous User from Libertyville, Illinois

December 1, 2024 at 3:24 PM

312-789-4852 reported as a Live Voice or Other. Received on November 29, 2024 at 2:23 PM.

Anonymous User from Libertyville, Illinois

October 24, 2024 at 3:04 PM

312-789-4128 reported as a Live Voice or Other. Received on October 24, 2024 at 1:02 PM.

Anonymous User from Libertyville, Illinois

October 4, 2024 at 7:54 PM

312-789-4875 reported as a Live Voice or Other. Received on October 3, 2024 at 10:13 AM.
Call for Medical & prescriptions

Anonymous User from Kewanee, Illinois

September 19, 2024 at 3:25 PM

312-789-3171 reported as a Live Voice or Other. Received on September 17, 2024 at 2:13 PM.

Anonymous User from Chicago, Illinois

July 29, 2024 at 8:16 PM

312-789-5780 reported as a Live Voice or Other. Received on July 29, 2024 at 11:27 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

April 5, 2024 at 2:27 PM

312-789-3952 reported as a Robocall. Received on April 5, 2024 at 11:37 AM.

Anonymous User from Wheeling, Illinois

March 29, 2024 at 12:29 PM

312-789-2139 reported as a Robocall. Received on March 29, 2024 at 9:14 AM.
Call for Dropped call or no message

Anonymous User from Wheeling, Illinois

March 23, 2024 at 12:24 PM

312-789-5144 reported as a Robocall. Received on March 22, 2024 at 2:53 PM.
Call for Dropped call or no message

Anonymous User from Wheeling, Illinois

March 13, 2024 at 4:09 PM

312-789-5983 reported as a Robocall. Received on March 13, 2024 at 11:33 AM.
Call for Dropped call or no message

Anonymous User from Wheeling, Illinois

March 7, 2024 at 12:58 PM

312-789-7334 reported as a Robocall. Received on March 7, 2024 at 11:57 AM.
Call for Dropped call or no message

Anonymous User from Kewanee, Illinois

February 2, 2024 at 8:58 AM

312-789-7390 reported as a Robocall. Received on February 2, 2024 at 7:54 AM.
Call for Medical & prescriptions

Anonymous User from , IL

January 19, 2024 at 3:30 PM

312-789-8973 reported as a unwanted call. Received on January 19, 2024 at 2:27 PM.
Call for Dropped call or no message

Anonymous User from Rockford, Illinois

December 11, 2023 at 4:41 PM

312-789-0620 reported as a Robocall. Received on December 11, 2023 at 11:54 AM.

Anonymous User from Daleville, Alabama

June 7, 2023 at 2:17 PM

312-789-8401 reported as a Robocall. Received on June 7, 2023 at 1:05 PM.
Call for Medical & prescriptions

Anonymous User from , IL

May 2, 2023 at 6:08 PM

312-789-3496 reported as a Live Voice or Other. Received on May 2, 2023 at 5:06 PM.

Anonymous User from , IL

May 26, 2017 at 9:36 PM

None reported as a Live Voice. Received on May 26, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-789-5179
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

May 22, 2017 at 12:45 AM

None reported as a Abandoned Calls. Received on May 21, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-789-5162
Contacted via Wired

Anonymous User from , IL

May 11, 2017 at 7:19 PM

None reported as a Live Voice. Received on May 10, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-789-4747
Contacted via Wired

Anonymous User from , FL

May 3, 2017 at 1:58 PM

None reported as a Live Voice. Received on May 3, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-789-4844
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , KS

February 25, 2017 at 2:58 PM

None reported as a Live Voice. Received on February 25, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-789-4844
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

February 21, 2015 at 3:05 AM

reported as a Prerecorded Voice. Received on January 4, 2020 at 7:00 PM.
Robocall for unknown
Caller ID indicated they called from 312-789-4768
Contacted via Wired

Most 'popular' numbers on this prefix:

312-789-0XXX: 312-789-0600 | 312-789-0620 | 312-789-0623 | 312-789-0625 | 312-789-0630 |
312-789-1XXX: 312-789-1700 | 312-789-1708 | 312-789-1722 | 312-789-1760 | 312-789-1762 | 312-789-1764 |
312-789-2XXX: 312-789-2130 | 312-789-2135 | 312-789-2139 | 312-789-2600 | 312-789-2666 | 312-789-2690 | 312-789-2695 | 312-789-2699 | 312-789-2950 | 312-789-2953 | 312-789-2955 | 312-789-2992 | 312-789-2998 | 312-789-2999 |
312-789-3XXX: 312-789-3100 | 312-789-3125 | 312-789-3170 | 312-789-3171 | 312-789-3175 | 312-789-3197 | 312-789-3400 | 312-789-3444 | 312-789-3460 | 312-789-3490 | 312-789-3495 | 312-789-3499 | 312-789-3900 | 312-789-3950 | 312-789-3953 | 312-789-3955 |
312-789-4XXX: 312-789-4100 | 312-789-4111 | 312-789-4120 | 312-789-4123 | 312-789-4125 | 312-789-4200 | 312-789-4202 | 312-789-4290 | 312-789-4292 | 312-789-4297 | 312-789-4400 | 312-789-4440 | 312-789-4444 | 312-789-4445 | 312-789-4447 | 312-789-4600 | 312-789-4601 | 312-789-4609 | 312-789-4650 | 312-789-4700 | 312-789-4720 | 312-789-4760 | 312-789-4765 | 312-789-4777 | 312-789-4800 | 312-789-4870 | 312-789-4875 | 312-789-4877 | 312-789-4888 |
312-789-5XXX: 312-789-5100 | 312-789-5120 | 312-789-5140 | 312-789-5144 | 312-789-5150 | 312-789-5500 | 312-789-5507 | 312-789-5508 | 312-789-5509 | 312-789-5511 | 312-789-5555 | 312-789-5600 | 312-789-5620 | 312-789-5622 | 312-789-5625 | 312-789-5650 | 312-789-5700 | 312-789-5777 | 312-789-5780 | 312-789-5789 | 312-789-5900 | 312-789-5980 | 312-789-5987 | 312-789-5988 | 312-789-5997 | 312-789-5998 |
312-789-7XXX: 312-789-7300 | 312-789-7320 | 312-789-7390 | 312-789-7399 |
312-789-8XXX: 312-789-8400 | 312-789-8401 | 312-789-8404 | 312-789-8440 | 312-789-8900 | 312-789-8901 | 312-789-8970 | 312-789-8975 | 312-789-8977 | 312-789-8998 |
312-789-9XXX: 312-789-9600 | 312-789-9650 | 312-789-9656 | 312-789-9657 | 312-789-9660 | 312-789-9700 | 312-789-9707 | 312-789-9709 |