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312-373

You are reviewing the Area Code (NPA/NXX) report for 312-373. Did you mean to search the SMS short code 312373?

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Examples: 206-739-5800, 206, 206-739, 48369

🇺🇸 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 Number312373
Basic Format312-373
NPA (Area Code)312
NXX373

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-373-0XXX984EBANDWIDTH.COM CLEC, LLC - ILCHICGOZN01AS02/02/2010CHICAGO ZONE 01ILMW03/04/2010
312-373-1XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01RTCHICAGO ZONE 01ILMW
312-373-2XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01RTCHICAGO ZONE 01ILMW
312-373-3XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01RTCHICAGO ZONE 01ILMW
312-373-4XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01RTCHICAGO ZONE 01ILMW
312-373-5XXX7136TELEPORT COMMUNICATIONS AMERICA, LLC - ILCHICGOZN01RTCHICAGO ZONE 01ILMW
312-373-6XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01RTCHICAGO ZONE 01ILMW
312-373-7XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01RTCHICAGO ZONE 01ILMW
312-373-8XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01RTCHICAGO ZONE 01ILMW
312-373-9XXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01RTCHICAGO ZONE 01ILMW
312-373-XXXX6115LEVEL 3 COMMUNICATIONS, LLC - ILCHICGOZN01ASCHICAGO ZONE 01IL

Business/Government Phones on the 312-373 Prefix

PhoneNameAddress
312-373-0015Saranow Law Group, LLC
312-373-0750P2 Capital Insurance Brokers, Inc.

Reports

Anonymous User from Princeton, New Jersey

January 26, 2026 at 1:56 PM

312-373-9293 reported as a Robocall. Received on January 26, 2026 at 1:54 PM.
Call for No Subject Provided

Anonymous User from Rockford, Illinois

January 20, 2026 at 6:56 PM

312-373-6020 reported as a Live Voice or Other. Received on January 20, 2026 at 5:52 PM.

Anonymous User from , IL

November 17, 2025 at 1:03 PM

312-373-6087 reported as a unwanted call. Received on November 17, 2025 at 8:10 AM.
Call for Dropped call or no message

Anonymous User from , IL

September 18, 2025 at 12:17 PM

312-373-8785 reported as a Robocall. Received on September 17, 2025 at 2:41 PM.
Call for Dropped call or no message

Anonymous User from , MN

September 14, 2025 at 1:57 PM

312-373-6051 reported as a Robocall. Received on September 2, 2025 at 12:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IL

August 19, 2025 at 8:03 PM

312-373-0312 reported as a Live Voice or Other. Received on August 19, 2025 at 7:55 PM.

Anonymous User from Pompano Beach, Florida

July 31, 2025 at 1:12 PM

312-373-5162 reported as a Live Voice or Other. Received on July 31, 2025 at 12:56 PM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

July 28, 2025 at 1:09 PM

312-373-9302 reported as a Live Voice or Other. Received on July 28, 2025 at 11:49 AM.
Call for Dropped call or no message

Anonymous User from Libertyville, Illinois

July 16, 2025 at 11:56 AM

312-373-0184 reported as a Live Voice or Other. Received on July 16, 2025 at 10:42 AM.

Anonymous User from Libertyville, Illinois

June 16, 2025 at 11:44 AM

312-373-0416 reported as a Live Voice or Other. Received on June 16, 2025 at 10:22 AM.

Anonymous User from Arlington Heights, Illinois

May 17, 2025 at 3:41 PM

312-373-6000 reported as a Live Voice or Other. Received on May 16, 2025 at 3:37 PM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

April 15, 2025 at 3:19 PM

312-373-7971 reported as a Live Voice or Other. Received on April 15, 2025 at 11:36 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Chicago, Illinois

April 7, 2025 at 1:32 PM

312-373-7372 reported as a Robocall. Received on April 7, 2025 at 9:12 AM.
Call for Dropped call or no message

Anonymous User from , MI

March 26, 2025 at 3:51 PM

312-373-0578 reported as a Robocall. Received on March 26, 2025 at 12:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Palatine, Illinois

March 18, 2025 at 11:29 AM

312-373-9373 reported as a Robocall. Received on March 18, 2025 at 10:27 AM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

February 25, 2025 at 12:37 PM

312-373-0964 reported as a unwanted call. Received on February 25, 2025 at 9:24 AM.
Call for Dropped call or no message

Anonymous User from Libertyville, Illinois

February 6, 2025 at 7:05 PM

312-373-5903 reported as a Live Voice or Other. Received on February 6, 2025 at 5:59 PM.
Call for Medical & prescriptions

Anonymous User from Fort Myers, Illinois

February 4, 2025 at 6:25 PM

312-373-0638 reported as a Robocall. Received on February 4, 2025 at 6:18 PM.

Anonymous User from Rockledge, Florida

January 31, 2025 at 8:36 AM

312-373-0684 reported as a Robocall. Received on January 31, 2025 at 8:33 AM.

Anonymous User from , IL

January 9, 2025 at 2:47 PM

312-373-5430 reported as a Live Voice or Other. Received on January 9, 2025 at 1:31 AM.

Anonymous User from I, Indiana

January 9, 2025 at 2:43 PM

312-373-5430 reported as a Live Voice or Other. Received on January 9, 2025 at 1:30 PM.

Anonymous User from Montgomery, AL

January 8, 2025 at 11:04 PM

312-373-6159 reported as a Live Voice. Received on January 8, 2025 at 4:52 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Montgomery, Alabama

January 8, 2025 at 5:57 PM

312-373-6159 reported as a Robocall. Received on January 8, 2025 at 4:52 PM.

Anonymous User from Florida, Florida

January 8, 2025 at 5:45 PM

312-373-6159 reported as a Live Voice or Other. Received on January 8, 2025 at 5:32 PM.
Call for Warranties & protection plans

Anonymous User from Chicago, Illinois

December 4, 2024 at 1:02 AM

312-373-9237 reported as a Live Voice or Other. Received on November 28, 2024 at 10:56 AM.
Call for No Subject Provided

Anonymous User from , IL

September 5, 2024 at 2:21 PM

312-373-4218 reported as a Robocall. Received on September 5, 2024 at 10:52 AM.
Call for Medical & prescriptions

Anonymous User from Chicago, Illinois

August 28, 2024 at 12:56 PM

312-373-0223 reported as a unwanted call. Received on August 28, 2024 at 9:14 AM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

August 28, 2024 at 12:55 PM

312-373-0746 reported as a unwanted call. Received on August 28, 2024 at 10:08 AM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

February 16, 2024 at 3:31 PM

312-373-6299 reported as a Live Voice or Other. Received on February 16, 2024 at 1:04 PM.
Call for Dropped call or no message

Anonymous User from , IL

February 1, 2024 at 12:08 PM

312-373-6037 reported as a Robocall. Received on February 1, 2024 at 11:45 AM.

Anonymous User from , IL

May 31, 2023 at 1:00 PM

312-373-1544 reported as a Robocall. Received on May 31, 2023 at 9:50 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Orlando, Florida

November 21, 2022 at 2:52 PM

312-373-6066 reported as a Robocall. Received on November 21, 2022 at 2:50 PM.

Anonymous User from , IL

June 16, 2022 at 4:29 PM

312-373-6170 reported as a Robocall. Received on June 15, 2022 at 3:37 PM.
Call for Medical & prescriptions

Anonymous User from , WA

April 13, 2017 at 3:35 PM

312-373-4968 reported as a Live Voice. Received on April 13, 2017 at 12:00 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

312-373-0XXX: 312-373-0000 | 312-373-0001 | 312-373-0003 | 312-373-0010 | 312-373-0011 | 312-373-0015 | 312-373-0200 | 312-373-0226 | 312-373-0228 | 312-373-0229 | 312-373-0238 | 312-373-0247 | 312-373-0300 | 312-373-0350 | 312-373-0370 | 312-373-0400 | 312-373-0401 | 312-373-0450 | 312-373-0455 | 312-373-0500 | 312-373-0550 | 312-373-0570 | 312-373-0600 | 312-373-0630 | 312-373-0680 | 312-373-0681 | 312-373-0687 | 312-373-0700 | 312-373-0750 | 312-373-0755 | 312-373-0777 | 312-373-0900 | 312-373-0902 | 312-373-0907 | 312-373-0960 | 312-373-0962 | 312-373-0965 |
312-373-1XXX: 312-373-1000 | 312-373-1001 | 312-373-1003 | 312-373-1500 | 312-373-1501 | 312-373-1505 | 312-373-1540 | 312-373-1545 | 312-373-1547 |
312-373-3XXX: 312-373-3500 | 312-373-3550 | 312-373-3570 | 312-373-3575 | 312-373-3577 |
312-373-4XXX: 312-373-4200 | 312-373-4202 | 312-373-4210 | 312-373-4211 | 312-373-4212 | 312-373-4220 | 312-373-4900 | 312-373-4960 | 312-373-4965 | 312-373-4997 | 312-373-4998 |
312-373-5XXX: 312-373-5400 | 312-373-5420 | 312-373-5430 | 312-373-5432 | 312-373-5433 | 312-373-5900 | 312-373-5901 | 312-373-5902 | 312-373-5997 |
312-373-6XXX: 312-373-6000 | 312-373-6001 | 312-373-6008 | 312-373-6030 | 312-373-6033 | 312-373-6036 | 312-373-6100 | 312-373-6111 | 312-373-6170 | 312-373-6171 | 312-373-6175 | 312-373-6200 | 312-373-6202 | 312-373-6220 | 312-373-6290 | 312-373-6299 |
312-373-7XXX: 312-373-7200 | 312-373-7202 | 312-373-7220 | 312-373-7250 | 312-373-7252 | 312-373-7255 | 312-373-7300 | 312-373-7320 | 312-373-7370 | 312-373-7371 | 312-373-7373 | 312-373-7700 | 312-373-7770 | 312-373-7777 | 312-373-7780 | 312-373-7787 | 312-373-7788 | 312-373-7900 | 312-373-7970 | 312-373-7975 | 312-373-7977 | 312-373-7999 |
312-373-9XXX: 312-373-9200 | 312-373-9220 | 312-373-9230 | 312-373-9234 | 312-373-9237 | 312-373-9250 | 312-373-9300 | 312-373-9330 | 312-373-9380 | 312-373-9383 | 312-373-9387 |