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312-284

You are reviewing the Area Code (NPA/NXX) report for 312-284. Did you mean to search the SMS short code 312284?

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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 Number312284
Basic Format312-284
NPA (Area Code)312
NXX284

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-284-0XXX7056XO ILLINOIS, INC.CHICGOZN01RTCHICAGO ZONE 01ILMW
312-284-1XXX7056XO ILLINOIS, INC.CHICGOZN01RTCHICAGO ZONE 01ILMW
312-284-2XXX7056XO ILLINOIS, INC.CHICGOZN01RTCHICAGO ZONE 01ILMW
312-284-3XXX7056XO ILLINOIS, INC.CHICGOZN01RTCHICAGO ZONE 01ILMW
312-284-4XXX7056XO ILLINOIS, INC.CHICGOZN01RTCHICAGO ZONE 01ILMW
312-284-5XXX7056XO ILLINOIS, INC.CHICGOZN01RTCHICAGO ZONE 01ILMW
312-284-6XXX7056XO ILLINOIS, INC.CHICGOZN01RTCHICAGO ZONE 01ILMW
312-284-7XXX6529T-MOBILE USA, INC.CHICGOZN01AS01/28/2019CHICAGO ZONE 01ILMW02/24/2019
312-284-8XXX7056XO ILLINOIS, INC.CHICGOZN01RTCHICAGO ZONE 01ILMW
312-284-9XXX6529T-MOBILE USA, INC.CHICGOZN01AS01/28/2019CHICAGO ZONE 01ILMW02/24/2019
312-284-XXXX7056XO ILLINOIS, INC.CHICGOZN01ASCHICAGO ZONE 01IL

Business/Government Phones on the 312-284 Prefix

PhoneNameAddress
312-284-1377Beatrix519 North Clark Street Chicago 60654 US
312-284-4990RPM Steak66 West Kinzie Street Chicago 60654 US
312-284-5353Centennial Crafted Beer & Eatery733 North LaSalle Drive Chicago 60654 US

Reports

Anonymous User from , MI

April 23, 2025 at 9:10 PM

312-284-4045 reported as a Live Voice or Other. Received on April 22, 2025 at 8:20 PM.

Anonymous User from , NM

April 1, 2025 at 10:51 PM

312-284-4081 reported as a unwanted call. Received on April 1, 2025 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Fort Worth, Texas

March 31, 2025 at 6:51 PM

312-284-7117 reported as a Live Voice or Other. Received on March 28, 2025 at 12:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Fort Worth, Texas

March 31, 2025 at 6:21 PM

312-284-7117 reported as a Live Voice or Other. Received on March 31, 2025 at 12:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Mundelein, Illinois

February 12, 2025 at 11:41 AM

312-284-3580 reported as a Robocall. Received on February 12, 2025 at 8:03 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Chicago, Illinois

February 20, 2023 at 5:59 PM

312-284-3259 reported as a Live Voice or Other. Received on February 20, 2023 at 4:51 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from West Palm Beach, FL

April 30, 2022 at 4:52 PM

312-284-7757 reported as a Text Message. Received on April 30, 2022 at 12:17 PM.
Unwanted call for Other Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , FL

May 30, 2017 at 10:17 PM

None reported as a Live Voice. Received on May 30, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-284-5994
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

312-284-1XXX: 312-284-1300 | 312-284-1305 | 312-284-1308 | 312-284-1370 | 312-284-1377 | 312-284-1378 |
312-284-3XXX: 312-284-3200 | 312-284-3250 | 312-284-3255 | 312-284-3258 | 312-284-3500 | 312-284-3551 | 312-284-3555 | 312-284-3580 | 312-284-3585 | 312-284-3588 |
312-284-4XXX: 312-284-4020 | 312-284-4040 | 312-284-4062 | 312-284-4080 | 312-284-4087 | 312-284-4088 | 312-284-4800 | 312-284-4870 | 312-284-4875 | 312-284-4877 | 312-284-4887 | 312-284-4888 | 312-284-4900 | 312-284-4997 | 312-284-4998 | 312-284-4999 |
312-284-5XXX: 312-284-5100 | 312-284-5120 | 312-284-5190 | 312-284-5191 | 312-284-5199 | 312-284-5300 | 312-284-5320 | 312-284-5330 | 312-284-5350 | 312-284-5353 | 312-284-5355 | 312-284-5900 | 312-284-5990 | 312-284-5997 | 312-284-5998 |
312-284-6XXX: 312-284-6400 | 312-284-6402 | 312-284-6404 |
312-284-7XXX: 312-284-7100 | 312-284-7110 | 312-284-7111 | 312-284-7117 | 312-284-7195 | 312-284-7197 | 312-284-7700 | 312-284-7750 | 312-284-7753 | 312-284-7755 | 312-284-7770 | 312-284-7777 |