312-278

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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	312278
Basic Format	312-278
NPA (Area Code)	312
NXX	278

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
312-278-0XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-278-1XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-278-2XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-278-3XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-278-4XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-278-5XXX	6529	T-MOBILE USA, INC.	CHICGOZN01	AS	09/07/2021	CHICAGO ZONE 01	IL	MW	09/17/2021
312-278-6XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	AS	08/02/2000	CHICAGO ZONE 01	IL	MW	09/28/2000
312-278-7XXX	984E	BANDWIDTH.COM CLEC, LLC - IL	CHICGOZN01	AS	07/18/2011	CHICAGO ZONE 01	IL	MW	09/25/2011
312-278-8XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	AS	08/02/2000	CHICAGO ZONE 01	IL	MW	09/28/2000
312-278-9XXX	624H	ONVOY SPECTRUM, LLC	CHICGOZN01	AS	05/23/2022	CHICAGO ZONE 01	IL	MW	06/16/2022
312-278-XXXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS		CHICAGO ZONE 01	IL

Business/Government Phones on the 312-278 Prefix

Phone	Name	Address
312-278-7943	MyNew Technologies, LLC
312-278-1144	Archive	7947 Ogden Avenue Lyons 60534 US
312-278-3492	Conscious Plates	820 East 63rd Street Chicago 60637 US

Reports

Anonymous User from Libertyville, Illinois

December 7, 2025 at 9:13 AM

312-278-0714 reported as a Live Voice or Other. Received on December 7, 2025 at 8:05 AM.

Anonymous User from Lincolnton, North Carolina

November 28, 2025 at 11:41 AM

312-278-7825 reported as a Robocall. Received on November 20, 2025 at 5:53 PM.
Call for No Subject Provided

Anonymous User from Bonita, California

November 25, 2025 at 6:38 PM

312-278-7825 reported as a Robocall. Received on November 25, 2025 at 3:36 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Chicago, Illinois

November 23, 2025 at 1:38 PM

312-278-1096 reported as a Robocall. Received on November 23, 2025 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

September 3, 2025 at 12:38 PM

312-278-8428 reported as a Live Voice or Other. Received on September 2, 2025 at 2:12 PM.
Call for Dropped call or no message

Anonymous User from Seattle, Washington

July 11, 2025 at 3:24 PM

312-278-3233 reported as a Robocall. Received on July 9, 2025 at 2:55 PM.

Anonymous User from , IL

June 25, 2025 at 8:18 PM

312-278-8099 reported as a Live Voice or Other. Received on June 25, 2025 at 7:16 PM.

Anonymous User from El Granada, California

June 23, 2025 at 12:30 PM

312-278-7673 reported as a Live Voice or Other. Received on June 23, 2025 at 8:15 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from El Granada, California

June 19, 2025 at 5:06 PM

312-278-7673 reported as a Live Voice or Other. Received on June 19, 2025 at 2:05 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from El Granada, California

June 19, 2025 at 2:02 PM

312-278-7673 reported as a Live Voice or Other. Received on June 19, 2025 at 10:59 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Mobile, AL

June 12, 2025 at 5:53 PM

312-278-7714 reported as a Prerecorded Voice. Received on June 12, 2025 at 11:20 AM.
Unwanted call for Other Services
Contacted via Internet (VOIP)

Anonymous User from Chicago, Illinois

May 12, 2025 at 12:14 PM

312-278-4608 reported as a Robocall. Received on May 12, 2025 at 10:47 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

May 7, 2025 at 7:36 PM

312-278-0099 reported as a Live Voice or Other. Received on May 7, 2025 at 6:34 PM.

Anonymous User from , FL

April 10, 2025 at 4:06 PM

312-278-7706 reported as a Live Voice or Other. Received on April 10, 2025 at 3:30 PM.
Call for No Subject Provided

Anonymous User from York, Massachusetts

April 4, 2025 at 1:10 PM

312-278-7691 reported as a Live Voice or Other. Received on April 3, 2025 at 3:08 PM.

Anonymous User from , FL

April 1, 2025 at 5:51 PM

312-278-7706 reported as a Live Voice or Other. Received on April 1, 2025 at 5:56 PM.
Call for No Subject Provided

Anonymous User from , FL

March 14, 2025 at 4:56 PM

312-278-7144 reported as a Live Voice or Other. Received on March 14, 2025 at 4:55 PM.
Call for No Subject Provided

Anonymous User from Chicago, Illinois

March 12, 2025 at 6:20 PM

312-278-3458 reported as a Robocall. Received on March 12, 2025 at 4:41 PM.

Anonymous User from , SC

March 5, 2025 at 7:38 PM

312-278-3399 reported as a Live Voice or Other. Received on March 4, 2025 at 12:00 PM.
Call for Work from home & other ways to make money

Anonymous User from , FL

February 13, 2025 at 11:43 AM

312-278-7706 reported as a Live Voice or Other. Received on February 13, 2025 at 11:41 AM.
Call for No Subject Provided

Anonymous User from Chicago, Illinois

January 31, 2025 at 9:02 AM

312-278-2209 reported as a Robocall. Received on January 30, 2025 at 12:00 AM.
Call for Dropped call or no message

Anonymous User from Libertyville, Illinois

January 13, 2025 at 7:39 AM

312-278-0843 reported as a Live Voice or Other. Received on January 10, 2025 at 6:38 AM.

Anonymous User from Libertyville, Illinois

January 1, 2025 at 3:38 PM

312-278-2185 reported as a Live Voice or Other. Received on January 1, 2025 at 2:31 PM.

Anonymous User from Ssf, California

December 19, 2024 at 12:52 PM

312-278-7175 reported as a Live Voice or Other. Received on December 19, 2024 at 9:52 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Libertyville, Illinois

October 30, 2024 at 1:49 PM

312-278-8283 reported as a Live Voice or Other. Received on October 30, 2024 at 10:02 AM.
Call for Medical & prescriptions

Anonymous User from Oak Lawn, IL

October 28, 2024 at 4:33 PM

312-278-8732 reported as a Live Voice. Received on October 28, 2024 at 11:26 AM.
Unwanted call for Medicare Medicaid Services
Contacted via Internet (VOIP)

Anonymous User from Chicago, Illinois

October 14, 2024 at 1:02 PM

312-278-0714 reported as a unwanted call. Received on October 14, 2024 at 9:49 AM.
Call for Dropped call or no message

Anonymous User from Libertyville, Illinois

October 8, 2024 at 1:35 PM

312-278-1431 reported as a Live Voice or Other. Received on October 8, 2024 at 10:33 AM.

Anonymous User from Chicago, Illinois

September 27, 2024 at 5:50 PM

312-278-1571 reported as a Live Voice or Other. Received on September 27, 2024 at 4:46 PM.
Call for Medical & prescriptions

Anonymous User from Huntley, Illinois

September 13, 2024 at 12:55 PM

312-278-3600 reported as a Robocall. Received on September 12, 2024 at 11:22 AM.

Anonymous User from , IL

September 5, 2024 at 4:30 PM

312-278-6161 reported as a unwanted call. Received on September 5, 2024 at 4:24 PM.
Call for Dropped call or no message

Anonymous User from , IL

September 5, 2024 at 4:30 PM

312-278-6161 reported as a unwanted call. Received on September 5, 2024 at 4:24 PM.
Call for Dropped call or no message

Anonymous User from , IL

September 5, 2024 at 4:29 PM

312-278-6161 reported as a unwanted call. Received on September 5, 2024 at 4:24 PM.
Call for Dropped call or no message

Anonymous User from , IA

August 20, 2024 at 5:27 PM

312-278-5294 reported as a Robocall. Received on August 20, 2024 at 4:20 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

May 17, 2024 at 2:44 PM

312-278-2461 reported as a Robocall. Received on May 15, 2024 at 2:37 PM.

Anonymous User from Chicago, Illinois

March 12, 2024 at 4:22 PM

312-278-3528 reported as a Robocall. Received on March 12, 2024 at 1:48 PM.
Call for Medical & prescriptions

Anonymous User from Bartonville, Il, Illinois

February 6, 2024 at 3:03 AM

312-278-7537 reported as a Live Voice or Other. Received on February 5, 2024 at 2:18 PM.

Anonymous User from , AL

December 20, 2023 at 11:14 PM

312-278-7086 reported as a Live Voice or Other. Received on December 20, 2023 at 5:05 PM.
Call for Dropped call or no message

Anonymous User from Seattle, Washington

November 30, 2023 at 3:00 PM

312-278-3734 reported as a Robocall. Received on November 30, 2023 at 7:21 AM.
Call for Medical & prescriptions

Anonymous User from , IL

November 8, 2023 at 9:21 AM

312-278-4109 reported as a Robocall. Received on November 3, 2023 at 4:34 PM.
Call for Dropped call or no message

Anonymous User from Elk Grove Village, Illinois

October 5, 2023 at 1:37 PM

312-278-3903 reported as a Live Voice or Other. Received on October 5, 2023 at 12:35 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Chicago, Illinois

August 9, 2023 at 11:44 AM

312-278-5641 reported as a Live Voice or Other. Received on August 8, 2023 at 5:09 PM.

Anonymous User from , IL

March 1, 2023 at 2:46 PM

312-278-4890 reported as a unwanted call. Received on March 1, 2023 at 1:44 PM.
Call for Dropped call or no message

Anonymous User from Pleasant Hill, CA

October 5, 2022 at 6:30 AM

None reported as a Text Message. Received on October 5, 2022 at 4:06 AM.
Unwanted call for Other Services
Caller ID indicated they called from 312-278-5196
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Vermilion, Ohio

August 5, 2022 at 2:32 PM

312-278-3527 reported as a Robocall. Received on August 5, 2022 at 2:25 PM.

Anonymous User from Pelham, New Hampshire

June 28, 2022 at 4:16 PM

312-278-2057 reported as a Robocall. Received on June 25, 2022 at 9:26 AM.
Call for Calls pretending to be government, businesses, or family and friends

Most 'popular' numbers on this prefix:

312-278-0XXX: 312-278-0140 | 312-278-0141 | 312-278-0144 | 312-278-0152 | 312-278-0158 | 312-278-0178 | 312-278-0700 | 312-278-0710 | 312-278-0711 | 312-278-0715 | 312-278-0777 | 312-278-0800 | 312-278-0840 | 312-278-0845 | 312-278-0888 |
312-278-1XXX: 312-278-1111 | 312-278-1122 | 312-278-1199 | 312-278-1400 | 312-278-1433 | 312-278-1434 | 312-278-1438 | 312-278-1441 | 312-278-1445 | 312-278-1500 | 312-278-1547 | 312-278-1570 | 312-278-1577 | 312-278-1578 | 312-278-1583 |
312-278-2XXX: 312-278-2000 | 312-278-2014 | 312-278-2019 | 312-278-2052 | 312-278-2053 | 312-278-2054 | 312-278-2169 | 312-278-2180 | 312-278-2187 | 312-278-2188 | 312-278-2198 | 312-278-2200 | 312-278-2202 | 312-278-2203 | 312-278-2252 | 312-278-2262 | 312-278-2300 | 312-278-2345 | 312-278-2352 | 312-278-2354 | 312-278-2355 | 312-278-2362 | 312-278-2400 | 312-278-2447 | 312-278-2460 | 312-278-2462 | 312-278-2469 | 312-278-2478 |
312-278-3XXX: 312-278-3000 | 312-278-3040 | 312-278-3045 | 312-278-3047 | 312-278-3062 | 312-278-3300 | 312-278-3330 | 312-278-3333 | 312-278-3390 | 312-278-3395 | 312-278-3399 | 312-278-3400 | 312-278-3450 | 312-278-3453 | 312-278-3455 | 312-278-3460 | 312-278-3500 | 312-278-3520 | 312-278-3522 | 312-278-3525 | 312-278-3550 | 312-278-3600 | 312-278-3601 | 312-278-3608 | 312-278-3620 | 312-278-3650 | 312-278-3700 | 312-278-3730 | 312-278-3735 | 312-278-3737 | 312-278-3750 | 312-278-3777 | 312-278-3900 | 312-278-3901 | 312-278-3903 | 312-278-3950 |
312-278-4XXX: 312-278-4100 | 312-278-4101 | 312-278-4105 | 312-278-4120 | 312-278-4800 | 312-278-4820 | 312-278-4888 | 312-278-4890 | 312-278-4895 | 312-278-4899 |
312-278-5XXX: 312-278-5100 | 312-278-5120 | 312-278-5150 | 312-278-5190 | 312-278-5191 | 312-278-5199 | 312-278-5200 | 312-278-5220 | 312-278-5250 | 312-278-5290 | 312-278-5297 | 312-278-5299 | 312-278-5600 | 312-278-5606 | 312-278-5640 | 312-278-5645 | 312-278-5650 |
312-278-6XXX: 312-278-6100 | 312-278-6111 | 312-278-6160 | 312-278-6161 | 312-278-6168 | 312-278-6400 | 312-278-6403 | 312-278-6404 | 312-278-6470 | 312-278-6475 | 312-278-6477 |
312-278-7XXX: 312-278-7000 | 312-278-7040 | 312-278-7070 | 312-278-7080 | 312-278-7083 | 312-278-7088 | 312-278-7100 | 312-278-7105 | 312-278-7140 | 312-278-7141 | 312-278-7144 | 312-278-7197 | 312-278-7500 | 312-278-7507 | 312-278-7520 | 312-278-7521 | 312-278-7522 | 312-278-7550 | 312-278-7600 | 312-278-7666 | 312-278-7690 | 312-278-7695 | 312-278-7699 | 312-278-7700 | 312-278-7708 | 312-278-7709 | 312-278-7900 | 312-278-7920 | 312-278-7940 | 312-278-7945 | 312-278-7947 | 312-278-7997 |
312-278-8XXX: 312-278-8200 | 312-278-8250 | 312-278-8280 | 312-278-8281 | 312-278-8282 | 312-278-8700 | 312-278-8701 | 312-278-8730 | 312-278-8733 | 312-278-8737 | 312-278-8777 |
312-278-9XXX: 312-278-9500 | 312-278-9510 | 312-278-9511 | 312-278-9515 | 312-278-9520 | 312-278-9550 |