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312-784

You are reviewing the Area Code (NPA/NXX) report for 312-784. Did you mean to search the SMS short code 312784?

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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 Number312784
Basic Format312-784
NPA (Area Code)312
NXX784

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateStateRegionBlock Effective Date
312-784-0XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-1XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-2XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-3XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-4XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-5XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-6XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-7XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-8XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-9XXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/16/2007ILMW09/02/2007
312-784-XXXX460KFIRST COMMUNICATIONS, LLCCHICGOZN01AS07/12/2007IL

Reports

Anonymous User from Westville, Oklahoma

March 2, 2026 at 3:51 PM

312-784-7475 reported as a Live Voice or Other. Received on March 2, 2026 at 2:47 PM.

Anonymous User from , IL

August 15, 2025 at 11:05 AM

31278479804 reported as a Live Voice or Other. Received on August 14, 2025 at 1:00 PM.

Anonymous User from West Chicago, Illinois

May 21, 2025 at 10:40 AM

312-784-5086 reported as a Robocall. Received on May 21, 2025 at 10:35 AM.

Anonymous User from Libertyville, Illinois

March 26, 2025 at 4:30 PM

312-784-5720 reported as a Live Voice or Other. Received on March 14, 2025 at 10:00 AM.
Call for Medical & prescriptions

Anonymous User from Seattle, Washington

July 30, 2024 at 12:54 PM

312-784-0059 reported as a unwanted call. Received on July 30, 2024 at 9:52 AM.

Anonymous User from Chicago, Illinois

June 13, 2024 at 2:48 PM

312-784-5213 reported as a Live Voice or Other. Received on June 12, 2024 at 8:19 AM.
Call for Dropped call or no message

Anonymous User from Wheeling, Illinois

March 17, 2024 at 5:31 PM

312-784-8325 reported as a Robocall. Received on March 14, 2024 at 4:44 PM.
Call for Dropped call or no message

Anonymous User from Wheeling, Illinois

March 9, 2024 at 10:28 AM

312-784-1287 reported as a Robocall. Received on March 8, 2024 at 3:52 PM.
Call for Dropped call or no message

Anonymous User from , IL

February 13, 2024 at 3:32 PM

312-784-4631 reported as a Live Voice or Other. Received on February 9, 2024 at 12:29 PM.

Anonymous User from , IL

February 13, 2024 at 3:31 PM

312-784-4625 reported as a Live Voice or Other. Received on February 12, 2024 at 4:42 PM.

Anonymous User from , IL

February 13, 2024 at 3:30 PM

312-784-4623 reported as a Live Voice or Other. Received on February 13, 2024 at 9:30 AM.

Anonymous User from , IL

February 13, 2024 at 3:29 PM

312-784-4648 reported as a Robocall. Received on February 13, 2024 at 12:25 PM.

Anonymous User from , IL

October 23, 2023 at 3:45 PM

312-784-2636 reported as a Robocall. Received on October 20, 2023 at 12:00 AM.

Anonymous User from Springfield, Virginia

September 18, 2023 at 5:54 PM

312-784-2648 reported as a Live Voice or Other. Received on September 18, 2023 at 5:33 PM.

Anonymous User from Homer Glen, Illinois

August 18, 2023 at 4:35 PM

312-784-0237 reported as a Robocall. Received on August 16, 2023 at 6:12 PM.

Anonymous User from , IL

July 24, 2023 at 4:49 PM

312-784-6525 reported as a Live Voice or Other. Received on July 24, 2023 at 3:42 PM.
Call for No Subject Provided

Anonymous User from , IL

July 6, 2023 at 2:59 PM

312-784-1362 reported as a Live Voice or Other. Received on July 6, 2023 at 11:21 AM.
Call for Medical & prescriptions

Anonymous User from Bridgeview, Illinois

March 21, 2023 at 2:21 PM

312-784-6547 reported as a Robocall. Received on March 21, 2023 at 9:02 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Visalia, California

December 20, 2022 at 3:57 AM

312-784-8082 reported as a Live Voice or Other. Received on December 20, 2022 at 12:50 AM.

Most 'popular' numbers on this prefix:

312-784-0XXX: 312-784-0000 | 312-784-0001 | 312-784-0002 | 312-784-0050 | 312-784-0054 | 312-784-0055 | 312-784-0200 | 312-784-0207 | 312-784-0209 | 312-784-0230 | 312-784-0236 | 312-784-0238 | 312-784-0300 | 312-784-0301 | 312-784-0303 | 312-784-0350 |
312-784-1XXX: 312-784-1000 | 312-784-1001 | 312-784-1003 | 312-784-1004 | 312-784-1212 | 312-784-1222 | 312-784-1234 | 312-784-1280 | 312-784-1283 | 312-784-1288 | 312-784-1300 | 312-784-1305 | 312-784-1308 | 312-784-1360 | 312-784-1362 | 312-784-1365 | 312-784-1600 | 312-784-1605 | 312-784-1608 | 312-784-1620 |
312-784-2XXX: 312-784-2600 | 312-784-2607 | 312-784-2630 | 312-784-2633 | 312-784-2666 |
312-784-4XXX: 312-784-4400 | 312-784-4401 | 312-784-4404 | 312-784-4444 | 312-784-4450 | 312-784-4630 | 312-784-4634 | 312-784-4635 | 312-784-4664 | 312-784-4666 | 312-784-4669 |
312-784-5XXX: 312-784-5200 | 312-784-5210 | 312-784-5211 | 312-784-5212 | 312-784-5220 | 312-784-5250 | 312-784-5700 | 312-784-5720 | 312-784-5721 | 312-784-5725 | 312-784-5777 |
312-784-6XXX: 312-784-6500 | 312-784-6501 | 312-784-6520 | 312-784-6521 | 312-784-6522 | 312-784-6550 |
312-784-7XXX: 312-784-7600 | 312-784-7608 | 312-784-7640 | 312-784-7643 | 312-784-7649 | 312-784-7666 |
312-784-8XXX: 312-784-8000 | 312-784-8003 | 312-784-8006 | 312-784-8080 | 312-784-8085 | 312-784-8088 | 312-784-8300 | 312-784-8320 | 312-784-8323 | 312-784-8325 |