312-506

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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	312506
Basic Format	312-506
NPA (Area Code)	312
NXX	506

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
312-506-0XXX	460K	FIRST COMMUNICATIONS, LLC	CHICGOZN01	AS	05/24/2004	CHICAGO ZONE 01	IL	MW	07/15/2004
312-506-1XXX	460K	FIRST COMMUNICATIONS, LLC	CHICGOZN01	AS	05/24/2004	CHICAGO ZONE 01	IL	MW	07/15/2004
312-506-2XXX	460K	FIRST COMMUNICATIONS, LLC	CHICGOZN01	AS	05/24/2004	CHICAGO ZONE 01	IL	MW	07/15/2004
312-506-3XXX	460K	FIRST COMMUNICATIONS, LLC	CHICGOZN01	AS	05/24/2004	CHICAGO ZONE 01	IL	MW	07/15/2004
312-506-4XXX	460K	FIRST COMMUNICATIONS, LLC	CHICGOZN01	AS	03/18/2008	CHICAGO ZONE 01	IL	MW	04/03/2008
312-506-5XXX	829J	PAETEC ITEL, LLC	CHICGOZN01	AS	04/24/2006	CHICAGO ZONE 01	IL	MW	05/20/2006
312-506-6XXX	460K	FIRST COMMUNICATIONS, LLC	CHICGOZN01	AS	05/24/2004	CHICAGO ZONE 01	IL	MW	07/15/2004
312-506-7XXX	5562	METROPCS, INC.	CHICGOZN01	AS	12/16/2004	CHICAGO ZONE 01	IL	MW	01/15/2005
312-506-8XXX	829J	PAETEC ITEL, LLC	CHICGOZN01	AS	05/08/2006	CHICAGO ZONE 01	IL	MW	06/04/2006
312-506-9XXX	460K	FIRST COMMUNICATIONS, LLC	CHICGOZN01	AS	05/24/2004	CHICAGO ZONE 01	IL	MW	07/15/2004
312-506-XXXX	460K	FIRST COMMUNICATIONS, LLC	CHICGOZN01	AS	05/24/2004	CHICAGO ZONE 01	IL

Business/Government Phones on the 312-506 Prefix

Phone	Name	Address
312-506-0900	Physicians Immediate Care - West Loop
312-506-0900	Physicians Immediate Care - West Loop
312-506-4170	InCommercial, Inc

Reports

Anonymous User from Windsor, Maine

March 20, 2026 at 1:25 PM

312-506-0920 reported as a Live Voice or Other. Received on March 19, 2026 at 5:37 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Chicago, Illinois

November 25, 2025 at 1:19 PM

312-506-9791 reported as a Robocall. Received on November 25, 2025 at 12:18 PM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

September 2, 2025 at 6:04 PM

312-506-1238 reported as a Live Voice or Other. Received on September 2, 2025 at 11:54 AM.
Call for Dropped call or no message

Anonymous User from Palm Springs, California

August 28, 2025 at 2:48 PM

312-506-9791 reported as a Live Voice or Other. Received on August 28, 2025 at 11:45 AM.
Call for Medical & prescriptions

Anonymous User from West Chicago, Illinois

July 16, 2025 at 10:00 AM

312-506-6829 reported as a Robocall. Received on July 15, 2025 at 3:08 PM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

June 13, 2025 at 11:56 AM

312-506-1216 reported as a Live Voice or Other. Received on June 3, 2025 at 11:55 AM.
Call for Dropped call or no message

Anonymous User from , IL

June 5, 2025 at 12:48 PM

312-506-8608 reported as a Live Voice or Other. Received on June 5, 2025 at 11:44 AM.
Call for No Subject Provided

Anonymous User from Chicago Il, Illinois

April 16, 2025 at 9:52 AM

312-506-3125 reported as a Live Voice or Other. Received on April 15, 2025 at 4:06 PM.
Call for Dropped call or no message

Anonymous User from Libertyville, Illinois

February 21, 2025 at 8:26 AM

312-506-5794 reported as a Live Voice or Other. Received on February 19, 2025 at 7:22 AM.
Call for Medical & prescriptions

Anonymous User from Libertyville, Illinois

December 8, 2024 at 3:07 PM

312-506-1257 reported as a Live Voice or Other. Received on December 5, 2024 at 2:07 PM.

Anonymous User from Chicago, Illinois

December 4, 2024 at 1:10 AM

312-506-9976 reported as a Robocall. Received on November 29, 2024 at 11:10 AM.
Call for No Subject Provided

Anonymous User from Libertyville, Illinois

December 1, 2024 at 3:20 PM

312-506-0825 reported as a Live Voice or Other. Received on November 29, 2024 at 2:18 PM.

Anonymous User from Libertyville, Illinois

December 1, 2024 at 3:18 PM

312-506-0825 reported as a Live Voice or Other. Received on November 27, 2024 at 2:16 PM.

Anonymous User from Chicago, Illinois

October 29, 2024 at 4:29 PM

312-506-1273 reported as a Live Voice or Other. Received on October 29, 2024 at 3:14 PM.

Anonymous User from Chicago, Illinois

February 23, 2024 at 8:16 PM

312-506-3125 reported as a Robocall. Received on February 23, 2024 at 5:16 PM.
Call for Dropped call or no message

Anonymous User from Decline To State, Texas

December 8, 2023 at 12:06 AM

312-506-0920 reported as a Robocall. Received on December 4, 2023 at 8:55 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , IL

November 30, 2023 at 3:37 PM

312-506-0583 reported as a Live Voice or Other. Received on November 21, 2023 at 11:44 AM.
Call for No Subject Provided

Anonymous User from Chicago, Illinois

August 31, 2023 at 8:30 PM

312-506-9779 reported as a Live Voice or Other. Received on August 31, 2023 at 4:41 PM.
Call for Dropped call or no message

Anonymous User from , IL

August 14, 2023 at 8:27 AM

312-506-9791 reported as a Live Voice or Other. Received on August 11, 2023 at 3:40 PM.
Call for No Subject Provided

Anonymous User from Chicago, Illinois

September 9, 2022 at 11:44 AM

312-506-0920 reported as a Live Voice or Other. Received on September 9, 2022 at 9:55 AM.

Anonymous User from Lakemoor, IL

January 7, 2022 at 6:18 PM

312-506-2709 reported as a Prerecorded Voice. Received on January 7, 2022 at 12:04 PM.
Unwanted call for Auto Warranty Services
Contacted via Internet (VOIP)

Anonymous User from , TN

April 6, 2017 at 8:16 PM

None reported as a Abandoned Calls. Received on April 6, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-506-5609
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , TN

January 26, 2017 at 6:08 PM

None reported as a Abandoned Calls. Received on January 26, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-506-5609
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

January 12, 2017 at 6:33 PM

213-506-0933 reported as a Live Voice. Received on January 12, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-506-0940
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

January 12, 2017 at 6:10 PM

312-506-0933 reported as a Prerecorded Voice. Received on January 12, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 904-406-1149
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

January 5, 2017 at 8:05 PM

312-506-0940 reported as a Prerecorded Voice. Received on January 5, 2017 at 12:00 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

September 29, 2016 at 8:15 PM

reported as a Prerecorded Voice. Received on September 29, 2016 at 3:02 PM.
Robocall for unknown
Caller ID indicated they called from 312-506-8310
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , FL

July 18, 2015 at 6:29 AM

reported as a Prerecorded Voice. Received on July 17, 2015 at 11:19 AM.
Robocall for unknown
Caller ID indicated they called from 312-506-5083
Contacted via Internet (VOIP)

Anonymous User from , LA

November 19, 2014 at 9:14 PM

reported as a Live Voice. Received on November 3, 2014 at 8:00 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 312-506-3680
Contacted via Wired

Most 'popular' numbers on this prefix:

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312-506-1XXX: 312-506-1212 | 312-506-1234 | 312-506-1247 | 312-506-1270 | 312-506-1277 | 312-506-1278 |
312-506-2XXX: 312-506-2700 | 312-506-2703 | 312-506-2707 | 312-506-2777 |
312-506-3XXX: 312-506-3120 | 312-506-3123 | 312-506-3125 | 312-506-3196 | 312-506-3197 | 312-506-3198 | 312-506-3600 | 312-506-3606 | 312-506-3609 | 312-506-3683 | 312-506-3684 | 312-506-3686 | 312-506-3800 | 312-506-3820 | 312-506-3860 | 312-506-3862 | 312-506-3869 |
312-506-4XXX: 312-506-4197 |
312-506-5XXX: 312-506-5000 | 312-506-5001 | 312-506-5080 | 312-506-5083 | 312-506-5085 | 312-506-5500 | 312-506-5507 | 312-506-5508 | 312-506-5509 | 312-506-5550 | 312-506-5555 | 312-506-5600 | 312-506-5601 | 312-506-5606 | 312-506-5706 | 312-506-5707 | 312-506-5757 | 312-506-5795 | 312-506-5797 | 312-506-5799 |
312-506-6XXX: 312-506-6441 | 312-506-6445 | 312-506-6448 | 312-506-6483 | 312-506-6484 | 312-506-6489 |
312-506-8XXX: 312-506-8301 | 312-506-8311 | 312-506-8314 | 312-506-8319 | 312-506-8355 | 312-506-8390 |
312-506-9XXX: 312-506-9705 | 312-506-9706 | 312-506-9707 | 312-506-9797 | 312-506-9798 | 312-506-9799 | 312-506-9900 | 312-506-9962 | 312-506-9970 | 312-506-9975 | 312-506-9977 |