312-776

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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	312776
Basic Format	312-776
NPA (Area Code)	312
NXX	776

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
312-776-0XXX	7136	TELEPORT COMMUNICATIONS AMERICA, LLC - IL	CHICGOZN01	AS	04/22/2019	CHICAGO ZONE 01	IL	MW	05/27/2019
312-776-1XXX	7136	TELEPORT COMMUNICATIONS AMERICA, LLC - IL	CHICGOZN01	AS	04/22/2019	CHICAGO ZONE 01	IL	MW	05/27/2019
312-776-2XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	04/30/2019	CHICAGO ZONE 01	IL	MW	05/24/2019
312-776-3XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	04/30/2019	CHICAGO ZONE 01	IL	MW	05/24/2019
312-776-4XXX	6529	T-MOBILE USA, INC.	CHICGOZN01	AS	01/31/2019	CHICAGO ZONE 01	IL	MW	03/31/2019
312-776-5XXX	6529	T-MOBILE USA, INC.	CHICGOZN01	AS	01/31/2019	CHICAGO ZONE 01	IL	MW	03/31/2019
312-776-6XXX	6529	T-MOBILE USA, INC.	CHICGOZN01	AS	01/31/2019	CHICAGO ZONE 01	IL	MW	03/31/2019
312-776-7XXX	6529	T-MOBILE USA, INC.	CHICGOZN01	AS	01/31/2019	CHICAGO ZONE 01	IL	MW	03/31/2019
312-776-8XXX	6529	T-MOBILE USA, INC.	CHICGOZN01	AS	01/31/2019	CHICAGO ZONE 01	IL	MW	03/31/2019
312-776-9XXX	6529	T-MOBILE USA, INC.	CHICGOZN01	AS	01/31/2019	CHICAGO ZONE 01	IL	MW	03/31/2019
312-776-XXXX	6529	T-MOBILE USA, INC.	CHICGOZN01	AS	01/30/2019	CHICAGO ZONE 01	IL

Business/Government Phones on the 312-776 Prefix

Phone	Name	Address
312-776-5444	Affinity Marine Electronics, Inc
312-776-1039	uBreakiFix	106 West Chicago Avenue Chicago 60654 US

Reports

Anonymous User from Worth, Illinois

February 24, 2026 at 12:39 PM

312-776-2467 reported as a Robocall. Received on February 23, 2026 at 12:58 PM.
Call for No Subject Provided

Anonymous User from St Petersburg, FL

January 29, 2026 at 8:40 PM

reported as a Prerecorded Voice. Received on January 29, 2026 at 12:00 AM.
Unwanted call for Medicare Medicaid Services
Caller ID indicated they called from 312-776-1431
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Chicago, Illinois

December 11, 2025 at 12:00 PM

312-776-2807 reported as a Live Voice or Other. Received on December 11, 2025 at 8:47 AM.
Call for Dropped call or no message

Anonymous User from Palm Springs, California

September 16, 2025 at 11:53 AM

312-776-1320 reported as a Robocall. Received on September 13, 2025 at 7:32 AM.
Call for Dropped call or no message

Anonymous User from Arlington, Texas

August 5, 2025 at 4:21 PM

312-776-2864 reported as a Robocall. Received on August 5, 2025 at 3:17 PM.

Anonymous User from Libertyville, Illinois

July 14, 2025 at 3:13 PM

312-776-2621 reported as a Live Voice or Other. Received on July 14, 2025 at 11:12 AM.

Anonymous User from Libertyville, Illinois

June 13, 2025 at 3:10 PM

312-776-0187 reported as a Live Voice or Other. Received on June 12, 2025 at 5:09 PM.

Anonymous User from Libertyville, Illinois

June 12, 2025 at 12:32 PM

312-776-2431 reported as a Live Voice or Other. Received on June 12, 2025 at 11:06 AM.

Anonymous User from Lake Villa, Illinois

May 17, 2025 at 1:08 PM

312-776-0040 reported as a Robocall. Received on May 10, 2025 at 9:33 AM.

Anonymous User from Escanaba, Michigan

May 7, 2025 at 6:53 PM

312-776-1460 reported as a Robocall. Received on May 7, 2025 at 11:18 AM.

Anonymous User from Chicago, Illinois

March 10, 2025 at 7:04 PM

312-776-0986 reported as a Robocall. Received on March 10, 2025 at 2:33 PM.

Anonymous User from Covington, Louisiana

March 4, 2025 at 2:28 PM

312-776-3135 reported as a Robocall. Received on March 4, 2025 at 1:16 PM.

Anonymous User from , IL

February 19, 2025 at 1:39 PM

312-776-3355 reported as a unwanted call. Received on February 13, 2025 at 5:35 PM.
Call for No Subject Provided

Anonymous User from Waukegan, Illinois

December 4, 2024 at 9:20 PM

312-776-3138 reported as a Live Voice or Other. Received on December 4, 2024 at 2:47 PM.

Anonymous User from Waukegan, Illinois

December 4, 2024 at 9:16 PM

312-776-3138 reported as a Live Voice or Other. Received on November 26, 2024 at 8:25 AM.

Anonymous User from Waukegan, Illinois

December 4, 2024 at 9:12 PM

312-776-3138 reported as a Live Voice or Other. Received on November 22, 2024 at 2:47 PM.

Anonymous User from Sauk Rapids, Minnesota

November 25, 2024 at 8:56 AM

312-776-2379 reported as a Live Voice or Other. Received on November 25, 2024 at 7:02 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Libertyville, Illinois

November 18, 2024 at 1:44 PM

312-776-1745 reported as a Live Voice or Other. Received on November 18, 2024 at 11:49 AM.

Anonymous User from Chicago, Illinois

November 16, 2024 at 4:50 PM

312-776-0316 reported as a Robocall. Received on November 16, 2024 at 3:47 PM.
Call for Medical & prescriptions

Anonymous User from Republic, MO

October 22, 2024 at 5:22 PM

312-776-2814 reported as a Live Voice. Received on October 22, 2024 at 12:00 AM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from Libertyville, Illinois

September 27, 2024 at 1:28 PM

312-776-3536 reported as a Live Voice or Other. Received on September 27, 2024 at 11:27 AM.
Call for Medical & prescriptions

Anonymous User from , GA

September 18, 2024 at 11:32 AM

312-776-3175 reported as a Live Voice or Other. Received on September 12, 2024 at 2:06 PM.

Anonymous User from , IL

September 10, 2024 at 2:11 PM

312-776-3581 reported as a Robocall. Received on September 10, 2024 at 10:34 AM.
Call for No Subject Provided

Anonymous User from , IL

August 16, 2024 at 11:28 AM

312-776-2078 reported as a unwanted call. Received on August 8, 2024 at 9:04 AM.

Anonymous User from Dallas, Texas

July 11, 2024 at 5:50 PM

312-776-3111 reported as a Live Voice or Other. Received on July 11, 2024 at 4:21 PM.

Anonymous User from Morton Grove, Illinois

June 29, 2024 at 3:52 PM

312-776-0903 reported as a Robocall. Received on June 25, 2024 at 12:11 PM.

Anonymous User from Chicago, Illinois

June 15, 2024 at 3:11 PM

312-776-3355 reported as a unwanted call. Received on June 13, 2024 at 12:00 AM.

Anonymous User from Arlington Heights, Illinois

February 2, 2024 at 6:55 PM

312-776-6525 reported as a Robocall. Received on February 2, 2024 at 5:52 PM.

Anonymous User from Arlington Hts, Illinois

January 26, 2024 at 5:10 PM

312-776-3355 reported as a Robocall. Received on January 24, 2024 at 8:29 PM.

Anonymous User from Chicago, Texas

October 31, 2023 at 2:26 PM

312-776-3355 reported as a Live Voice or Other. Received on October 30, 2023 at 7:54 PM.
Call for Charities

Anonymous User from Bradenton, Florida

August 23, 2023 at 3:31 PM

312-776-3162 reported as a Robocall. Received on August 7, 2023 at 3:33 PM.

Anonymous User from , IL

May 30, 2023 at 10:10 PM

312-776-3355 reported as a Live Voice or Other. Received on May 30, 2023 at 8:46 PM.

Anonymous User from , IL

November 29, 2022 at 1:26 AM

312-776-3355 reported as a Live Voice or Other. Received on November 28, 2022 at 6:00 PM.

Anonymous User from Chicago, Illinois

September 3, 2022 at 1:59 AM

312-776-2188 reported as a Robocall. Received on August 25, 2022 at 5:52 PM.

Anonymous User from Chicago, Illinois

August 11, 2022 at 8:46 AM

312-776-2188 reported as a Robocall. Received on August 9, 2022 at 2:06 PM.

Anonymous User from Orlando, FL

August 31, 2021 at 10:12 PM

312-776-5972 reported as a Text Message. Received on August 31, 2021 at 12:06 PM.
Unwanted call for other_services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Fort Worth, TX

August 27, 2021 at 3:52 AM

312-776-7038 reported as a Text Message. Received on August 27, 2021 at 10:35 PM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Anonymous User from Berwyn, IL

June 21, 2021 at 8:09 PM

312-776-2926 reported as a Prerecorded Voice. Received on June 21, 2021 at 11:06 AM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

312-776-0XXX: 312-776-0310 | 312-776-0311 | 312-776-0315 | 312-776-0900 | 312-776-0901 | 312-776-0907 | 312-776-0980 | 312-776-0987 | 312-776-0989 |
312-776-1XXX: 312-776-1400 | 312-776-1414 | 312-776-1430 | 312-776-1431 | 312-776-1433 | 312-776-1440 | 312-776-1700 | 312-776-1722 | 312-776-1740 | 312-776-1744 | 312-776-1747 | 312-776-1750 |
312-776-2XXX: 312-776-2000 | 312-776-2002 | 312-776-2006 | 312-776-2077 | 312-776-2078 | 312-776-2079 | 312-776-2111 | 312-776-2112 | 312-776-2180 | 312-776-2187 | 312-776-2188 | 312-776-2300 | 312-776-2345 | 312-776-2362 | 312-776-2370 | 312-776-2377 | 312-776-2378 | 312-776-2800 | 312-776-2810 | 312-776-2811 | 312-776-2812 | 312-776-2820 | 312-776-2888 | 312-776-2900 | 312-776-2901 | 312-776-2903 |
312-776-3XXX: 312-776-3100 | 312-776-3120 | 312-776-3130 | 312-776-3131 | 312-776-3135 | 312-776-3300 | 312-776-3330 | 312-776-3333 | 312-776-3350 | 312-776-3353 | 312-776-3355 | 312-776-3500 | 312-776-3520 | 312-776-3550 | 312-776-3580 | 312-776-3585 | 312-776-3588 |
312-776-5XXX: 312-776-5441 | 312-776-5443 | 312-776-5444 | 312-776-5475 | 312-776-5480 | 312-776-5483 | 312-776-5800 | 312-776-5801 | 312-776-5808 | 312-776-5820 | 312-776-5900 | 312-776-5901 | 312-776-5970 | 312-776-5971 | 312-776-5975 | 312-776-5997 |
312-776-6XXX: 312-776-6500 | 312-776-6501 | 312-776-6520 | 312-776-6521 | 312-776-6522 | 312-776-6550 |
312-776-7XXX: 312-776-7000 | 312-776-7030 | 312-776-7035 | 312-776-7037 | 312-776-7040 | 312-776-7070 |