312-554

You are reviewing the Area Code (NPA/NXX) report for 312-554. Did you mean to search the SMS short code 312554?

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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	312554
Basic Format	312-554
NPA (Area Code)	312
NXX	554

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
312-554-0XXX	6333	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL	CHICGOZN01	AS	11/04/2025	CHICAGO ZONE 01	IL	MW	12/04/2025
312-554-1XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-554-2XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-554-3XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-554-4XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-554-5XXX	984E	BANDWIDTH.COM CLEC, LLC - IL	CHICGOZN01	AS	02/02/2010	CHICAGO ZONE 01	IL	MW	03/04/2010
312-554-6XXX	7229	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	CHICGOZN01	AS	12/22/2010	CHICAGO ZONE 01	IL	MW	01/05/2011
312-554-7XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-554-8XXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	RT		CHICAGO ZONE 01	IL	MW
312-554-9XXX	6529	T-MOBILE USA, INC.	CHICGOZN01	AS	12/23/2010	CHICAGO ZONE 01	IL	MW	01/05/2011
312-554-XXXX	9329	ILLINOIS BELL TEL CO	CHICGOZN01	AS		CHICAGO ZONE 01	IL

Business/Government Phones on the 312-554 Prefix

Phone	Name	Address
312-554-5433	The Wolkowitz Law Office
312-554-5857	The Publishing House Bed & Breakfast	108 North May Street Chicago 60607 US

Reports

Anonymous User from Chicago, Illinois

March 8, 2026 at 12:05 PM

312-554-0996 reported as a Live Voice or Other. Received on March 7, 2026 at 12:00 PM.

Anonymous User from Palm Springs, California

February 11, 2026 at 2:03 PM

312-554-0579 reported as a Robocall. Received on February 6, 2026 at 10:59 AM.
Call for Dropped call or no message

Anonymous User from Palm Springs, California

February 11, 2026 at 1:56 PM

312-554-6043 reported as a Robocall. Received on February 10, 2026 at 8:06 AM.
Call for Dropped call or no message

Anonymous User from Libertyville, Illinois

January 15, 2026 at 3:47 PM

312-554-7916 reported as a Robocall. Received on January 15, 2026 at 11:39 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Chcago, Illinois

December 9, 2025 at 12:11 PM

312-554-1796 reported as a Robocall. Received on December 9, 2025 at 11:09 AM.
Call for Medical & prescriptions

Anonymous User from I, Illinois

June 17, 2025 at 11:17 AM

312-554-8705 reported as a Robocall. Received on June 17, 2025 at 11:08 AM.
Call for Medical & prescriptions

Anonymous User from Las Vegas, Illinois

June 5, 2025 at 4:32 PM

312-554-6474 reported as a Robocall. Received on June 3, 2025 at 12:41 PM.
Call for No Subject Provided

Anonymous User from Chicago, Illinois

April 16, 2025 at 1:12 PM

312-554-1847 reported as a Robocall. Received on April 16, 2025 at 8:57 AM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

April 16, 2025 at 1:11 PM

312-554-1847 reported as a Robocall. Received on April 16, 2025 at 8:57 AM.
Call for Dropped call or no message

Anonymous User from Pompano Beach, Illinois

April 4, 2025 at 8:27 PM

312-554-3709 reported as a Live Voice or Other. Received on April 4, 2025 at 12:15 PM.
Call for Medical & prescriptions

Anonymous User from Pompano Beach, Illinois

March 31, 2025 at 6:15 PM

312-554-5664 reported as a Live Voice or Other. Received on March 31, 2025 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from , IL

March 26, 2025 at 10:26 AM

312-554-4518 reported as a unwanted call. Received on March 26, 2025 at 9:25 AM.
Call for No Subject Provided

Anonymous User from Waukegan, Illinois

March 12, 2025 at 10:32 AM

312-554-0506 reported as a Robocall. Received on February 28, 2025 at 2:50 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Des Plaines, Illinois

March 6, 2025 at 5:03 PM

312-554-4961 reported as a Robocall. Received on March 6, 2025 at 3:38 PM.

Anonymous User from Libertyville, Illinois

February 21, 2025 at 5:46 PM

312-554-7609 reported as a Live Voice or Other. Received on February 21, 2025 at 4:13 PM.
Call for Medical & prescriptions

Anonymous User from Libertyville, Illinois

February 14, 2025 at 10:42 AM

312-554-1656 reported as a Live Voice or Other. Received on February 13, 2025 at 11:40 AM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

February 12, 2025 at 1:32 PM

312-554-8093 reported as a Robocall. Received on February 12, 2025 at 12:30 PM.
Call for Medical & prescriptions

Anonymous User from , IL

November 21, 2024 at 2:32 PM

312-554-0689 reported as a Robocall. Received on November 21, 2024 at 1:29 PM.

Anonymous User from Kaneohe, Hawaii

October 10, 2024 at 4:58 PM

312-554-3882 reported as a Live Voice or Other. Received on October 8, 2024 at 6:05 AM.
Call for Computer & technical support

Anonymous User from , CA

September 22, 2024 at 10:30 AM

312-554-3819 reported as a Robocall. Received on September 21, 2024 at 4:40 PM.
Call for No Subject Provided

Anonymous User from , IL

September 4, 2024 at 8:29 PM

312-554-0477 reported as a Live Voice or Other. Received on September 4, 2024 at 7:24 PM.

Anonymous User from Highland Park, Illinois

August 13, 2024 at 1:08 PM

312-554-1422 reported as a Live Voice or Other. Received on August 13, 2024 at 12:04 PM.
Call for Medical & prescriptions

Anonymous User from Belleville, Illinois

July 15, 2024 at 12:10 PM

312-554-7629 reported as a Live Voice or Other. Received on July 15, 2024 at 9:50 AM.

Anonymous User from Huntley, Illinois

July 1, 2024 at 2:58 PM

312-554-8727 reported as a Live Voice or Other. Received on July 1, 2024 at 1:22 PM.

Anonymous User from Sulphur, Louisiana

May 28, 2024 at 4:25 PM

312-554-5871 reported as a Live Voice or Other. Received on May 22, 2024 at 12:00 PM.
Call for Lotteries, prizes & sweepstakes

Anonymous User from Elgin, Illinois

November 27, 2023 at 10:12 AM

312-554-5435 reported as a Robocall. Received on November 27, 2023 at 8:32 AM.

Anonymous User from , IL

November 20, 2023 at 12:11 PM

312-554-4653 reported as a Robocall. Received on November 20, 2023 at 11:06 AM.

Anonymous User from Romeoville, Illinois

October 30, 2023 at 9:14 PM

312-554-1398 reported as a Robocall. Received on October 30, 2023 at 5:29 PM.

Anonymous User from , IL

August 17, 2023 at 10:14 PM

312-554-2001 reported as a Robocall. Received on August 17, 2023 at 8:41 AM.

Anonymous User from , IL

March 10, 2023 at 11:59 AM

312554838 reported as a Robocall. Received on March 10, 2023 at 8:49 AM.
Call for Dropped call or no message

Anonymous User from Rowlett, Texas

January 11, 2023 at 12:18 PM

312-554-3868 reported as a Live Voice or Other. Received on January 11, 2023 at 11:17 AM.
Call for No Subject Provided

Anonymous User from , IL

October 25, 2022 at 4:09 PM

312-554-6854 reported as a Robocall. Received on October 14, 2022 at 9:47 PM.

Anonymous User from Vermilion, Ohio

July 13, 2022 at 12:03 PM

312-554-8088 reported as a Robocall. Received on July 12, 2022 at 3:33 PM.

Anonymous User from , CT

August 15, 2016 at 12:25 AM

reported as a Prerecorded Voice. Received on August 14, 2016 at 3:39 PM.
Robocall for unknown
Caller ID indicated they called from 312-554-6015
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , OR

August 2, 2016 at 6:56 PM

312-554-6015 reported as a Prerecorded Voice. Received on August 2, 2016 at 9:28 AM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wired

Anonymous User from , CT

July 13, 2016 at 1:28 AM

312-554-6015 reported as a Prerecorded Voice. Received on July 12, 2016 at 3:53 PM.
Robocall for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CT

July 13, 2016 at 1:28 AM

312-554-6015 reported as a Prerecorded Voice. Received on July 12, 2016 at 3:53 PM.
Robocall for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , AZ

April 21, 2016 at 6:17 PM

reported as a Prerecorded Voice. Received on April 21, 2016 at 10:07 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 312-554-6015
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , OR

March 19, 2016 at 7:21 PM

312-554-6015 reported as a Prerecorded Voice. Received on March 19, 2016 at 9:55 AM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wired

Anonymous User from , OR

March 17, 2016 at 8:25 PM

312-554-6015 reported as a Prerecorded Voice. Received on March 17, 2016 at 10:18 AM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wired

Anonymous User from , FL

October 10, 2015 at 8:15 PM

312-554-6015 reported as a Prerecorded Voice. Received on October 10, 2015 at 2:15 PM.
Robocall for unknown
Contacted via Internet (VOIP)

Anonymous User from , OR

September 17, 2015 at 8:05 PM

312-554-6015 reported as a Prerecorded Voice. Received on September 17, 2015 at 9:54 AM.
Robocall for unknown
Contacted via Wired

Anonymous User from , NC

August 13, 2015 at 7:04 PM

312-554-6015 reported as a Prerecorded Voice. Received on August 13, 2015 at 1:29 PM.
Robocall for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , PA

June 20, 2015 at 10:24 PM

reported as a Prerecorded Voice. Received on June 20, 2015 at 1:43 PM.
Robocall for unknown
Caller ID indicated they called from 312-554-6015
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , PA

April 25, 2015 at 7:05 PM

312-554-6015 reported as a Prerecorded Voice. Received on April 25, 2015 at 1:11 PM.
Robocall for unknown
Contacted via Internet (VOIP)

Anonymous User from , SC

April 10, 2015 at 2:37 PM

reported as a Prerecorded Voice. Received on April 9, 2015 at 12:35 PM.
Robocall for unknown
Caller ID indicated they called from 312-554-6015
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , TX

March 11, 2015 at 7:04 PM

312-554-6015 reported as a Prerecorded Voice. Received on March 10, 2015 at 12:18 PM.
Robocall for unknown
Contacted via Wired

Anonymous User from , PA

March 7, 2015 at 7:28 PM

reported as a Prerecorded Voice. Received on March 7, 2015 at 1:20 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 312-554-6015
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

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312-554-9XXX: 312-554-9000 | 312-554-9001 | 312-554-9002 | 312-554-9090 | 312-554-9091 | 312-554-9099 | 312-554-9700 | 312-554-9740 | 312-554-9745 | 312-554-9777 |