312-858

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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	312858
Basic Format	312-858
NPA (Area Code)	312
NXX	858

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
312-858-0XXX	6333	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL	CHICGOZN01	AS	02/29/2016	CHICAGO ZONE 01	IL	MW	04/25/2016
312-858-1XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	12/22/2015	CHICAGO ZONE 01	IL	MW	02/20/2016
312-858-2XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	12/22/2015	CHICAGO ZONE 01	IL	MW	02/20/2016
312-858-3XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	12/22/2015	CHICAGO ZONE 01	IL	MW	02/20/2016
312-858-4XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	12/22/2015	CHICAGO ZONE 01	IL	MW	02/20/2016
312-858-5XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	12/22/2015	CHICAGO ZONE 01	IL	MW	02/20/2016
312-858-6XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	12/22/2015	CHICAGO ZONE 01	IL	MW	02/20/2016
312-858-7XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	12/22/2015	CHICAGO ZONE 01	IL	MW	02/20/2016
312-858-8XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	12/22/2015	CHICAGO ZONE 01	IL	MW	02/20/2016
312-858-9XXX	6115	LEVEL 3 COMMUNICATIONS, LLC - IL	CHICGOZN01	AS	12/22/2015	CHICAGO ZONE 01	IL	MW	02/20/2016
312-858-XXXX	156J	RCLEC, INC.	CHICGOZN01	AS	12/21/2015	CHICAGO ZONE 01	IL

Business/Government Phones on the 312-858 Prefix

Phone	Name	Address
312-858-0358	Safe Heating & Cooling, Inc.
312-858-3240	Zero Debt Law Firm, A Chicago Consumer Law Center, P.C. company
312-858-0256	Taco Bell	12716 South Ashland Avenue Calumet Park 60827 US
312-858-4100	Profile by Sanford	3324 North Western Avenue Chicago 60618 US
312-858-8190	Roti	80 East Lake Street Chicago 60601 US
312-858-8228	HKM Employment Attorneys LLP	166 West Washington Street Chicago 60602 US

Reports

Anonymous User from Cincinnati, Ohio

August 25, 2025 at 12:36 PM

312-858-4987 reported as a Robocall. Received on August 25, 2025 at 10:34 AM.
Call for Medical & prescriptions

Anonymous User from , IL

August 6, 2025 at 6:34 PM

312-858-8285 reported as a Live Voice or Other. Received on August 6, 2025 at 5:15 PM.
Call for Medical & prescriptions

Anonymous User from Bethel, CT

June 3, 2025 at 4:49 PM

312-858-4159 reported as a Live Voice. Received on June 3, 2025 at 12:44 PM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from , OH

December 30, 2024 at 4:17 PM

312-858-7036 reported as a Robocall. Received on December 30, 2024 at 2:55 PM.
Call for No Subject Provided

Anonymous User from Chicago, Illinois

May 23, 2024 at 6:39 PM

312-858-1216 reported as a Robocall. Received on May 23, 2024 at 5:04 PM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

May 10, 2024 at 2:53 PM

312-858-3766 reported as a Robocall. Received on May 8, 2024 at 3:25 PM.

Anonymous User from Chicago, Illinois

May 6, 2024 at 2:26 PM

312-858-9760 reported as a Robocall. Received on May 6, 2024 at 12:55 PM.
Call for Dropped call or no message

Anonymous User from , IL

April 23, 2024 at 6:14 PM

312-858-1573 reported as a Live Voice or Other. Received on April 23, 2024 at 5:13 PM.
Call for Medical & prescriptions

Anonymous User from Redlands, California

April 7, 2024 at 7:12 PM

312-858-3638 reported as a Robocall. Received on April 7, 2024 at 3:53 PM.

Anonymous User from , IL

March 29, 2024 at 3:05 PM

312-858-7244 reported as a Live Voice or Other. Received on March 29, 2024 at 2:03 PM.

Anonymous User from Mattoon, Illinois

February 16, 2024 at 4:29 PM

312-858-7447 reported as a Live Voice or Other. Received on February 16, 2024 at 1:28 AM.

Anonymous User from , NY

February 4, 2024 at 12:14 PM

312-858-7511 reported as a Robocall. Received on February 4, 2024 at 11:54 AM.

Anonymous User from , IL

December 5, 2023 at 9:47 AM

312-858-2734 reported as a Robocall. Received on December 5, 2023 at 6:09 AM.
Call for Dropped call or no message

Anonymous User from Lehigh Acres, Florida

August 28, 2023 at 1:01 PM

312-858-4259 reported as a unwanted call. Received on July 23, 2023 at 12:07 PM.

Anonymous User from Las Vegas, Nevada

July 5, 2023 at 4:42 PM

312-858-4363 reported as a Robocall. Received on July 5, 2023 at 7:45 AM.
Call for Dropped call or no message

Anonymous User from Cortland, Ohio

May 22, 2023 at 7:43 PM

312-858-6647 reported as a Live Voice or Other. Received on May 21, 2023 at 7:38 PM.

Anonymous User from , IL

January 30, 2023 at 11:40 AM

312-858-6005 reported as a Robocall. Received on January 30, 2023 at 10:39 AM.

Anonymous User from Sioux Falls, South Dakota

November 29, 2022 at 7:47 PM

312-858-9554 reported as a Robocall. Received on November 29, 2022 at 4:52 PM.

Anonymous User from Sioux Falls, South Dakota

November 29, 2022 at 7:40 PM

312-858-9554 reported as a Robocall. Received on November 29, 2022 at 4:27 PM.

Anonymous User from Austin, Texas

September 1, 2022 at 5:40 PM

312-858-3105 reported as a Live Voice or Other. Received on September 1, 2022 at 1:36 PM.
Call for Work from home & other ways to make money

Anonymous User from , CA

August 18, 2022 at 2:31 PM

312-858-5611 reported as a Live Voice or Other. Received on August 18, 2022 at 11:27 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Makanda, Illinois

July 26, 2022 at 11:15 PM

312-858-6063 reported as a Robocall. Received on July 26, 2022 at 10:29 AM.

Anonymous User from , IL

June 20, 2022 at 10:06 PM

312-858-8485 reported as a Live Voice or Other. Received on June 20, 2022 at 3:46 PM.
Call for No Subject Provided

Anonymous User from Lafayette,, Colorado

June 4, 2022 at 11:10 AM

312-858-8453 reported as a Live Voice or Other. Received on June 3, 2022 at 9:13 AM.

Anonymous User from , CA

March 22, 2017 at 7:40 PM

None reported as a Text Message. Received on March 22, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-858-0116
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

312-858-0XXX: 312-858-0100 | 312-858-0111 | 312-858-0115 | 312-858-0118 | 312-858-0300 | 312-858-0350 | 312-858-0355 |
312-858-1XXX: 312-858-1100 | 312-858-1103 | 312-858-1108 | 312-858-1111 | 312-858-1122 | 312-858-1199 | 312-858-1212 | 312-858-1214 | 312-858-1215 | 312-858-1222 | 312-858-1234 | 312-858-1500 | 312-858-1508 | 312-858-1547 | 312-858-1570 | 312-858-1577 | 312-858-1578 |
312-858-2XXX: 312-858-2000 | 312-858-2003 | 312-858-2005 | 312-858-2020 | 312-858-2700 | 312-858-2720 | 312-858-2730 | 312-858-2733 | 312-858-2737 | 312-858-2777 | 312-858-2800 | 312-858-2801 | 312-858-2888 |
312-858-3XXX: 312-858-3100 | 312-858-3106 | 312-858-3107 | 312-858-3111 | 312-858-3200 | 312-858-3220 | 312-858-3222 | 312-858-3240 | 312-858-3241 | 312-858-3246 | 312-858-3600 | 312-858-3601 | 312-858-3630 | 312-858-3633 | 312-858-3637 | 312-858-3650 | 312-858-3700 | 312-858-3750 | 312-858-3760 | 312-858-3765 | 312-858-3777 |
312-858-4XXX: 312-858-4100 | 312-858-4105 | 312-858-4109 | 312-858-4110 | 312-858-4120 | 312-858-4200 | 312-858-4202 | 312-858-4220 | 312-858-4250 | 312-858-4252 | 312-858-4300 | 312-858-4320 | 312-858-4350 | 312-858-4500 | 312-858-4501 | 312-858-4507 | 312-858-4508 | 312-858-4800 | 312-858-4801 | 312-858-4850 | 312-858-4851 | 312-858-4888 |
312-858-5XXX: 312-858-5400 | 312-858-5420 | 312-858-5440 | 312-858-5444 | 312-858-5450 | 312-858-5600 | 312-858-5610 | 312-858-5611 | 312-858-5619 | 312-858-5650 | 312-858-5800 | 312-858-5820 | 312-858-5850 | 312-858-5880 | 312-858-5887 | 312-858-5888 | 312-858-5900 | 312-858-5901 | 312-858-5930 | 312-858-5933 | 312-858-5935 | 312-858-5997 |
312-858-6XXX: 312-858-6000 | 312-858-6020 | 312-858-6060 | 312-858-6062 | 312-858-6069 | 312-858-6200 | 312-858-6210 | 312-858-6220 | 312-858-6222 | 312-858-6227 | 312-858-6300 | 312-858-6320 | 312-858-6360 | 312-858-6500 | 312-858-6501 | 312-858-6520 | 312-858-6521 | 312-858-6525 | 312-858-6550 | 312-858-6600 | 312-858-6640 | 312-858-6644 | 312-858-6645 | 312-858-6660 |
312-858-7XXX: 312-858-7000 | 312-858-7020 | 312-858-7040 | 312-858-7060 | 312-858-7062 | 312-858-7065 | 312-858-7200 | 312-858-7220 | 312-858-7240 | 312-858-7241 | 312-858-7247 | 312-858-7250 | 312-858-7400 | 312-858-7401 | 312-858-7403 | 312-858-7430 | 312-858-7431 | 312-858-7434 | 312-858-7500 | 312-858-7501 | 312-858-7507 | 312-858-7510 | 312-858-7511 | 312-858-7515 | 312-858-7800 | 312-858-7870 | 312-858-7875 | 312-858-7877 | 312-858-7888 |
312-858-8XXX: 312-858-8100 | 312-858-8105 | 312-858-8109 | 312-858-8111 | 312-858-8200 | 312-858-8230 | 312-858-8231 | 312-858-8237 | 312-858-8250 | 312-858-8400 | 312-858-8420 | 312-858-8450 | 312-858-8451 | 312-858-8500 | 312-858-8501 | 312-858-8550 | 312-858-8580 | 312-858-8585 | 312-858-8600 | 312-858-8650 | 312-858-8900 | 312-858-8950 | 312-858-8980 | 312-858-8987 | 312-858-8989 |
312-858-9XXX: 312-858-9100 | 312-858-9110 | 312-858-9190 | 312-858-9195 | 312-858-9199 | 312-858-9500 | 312-858-9520 | 312-858-9550 | 312-858-9555 | 312-858-9700 | 312-858-9701 | 312-858-9760 | 312-858-9761 | 312-858-9767 | 312-858-9777 |