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312-227

You are reviewing the Area Code (NPA/NXX) report for 312-227. Did you mean to search the SMS short code 312227?

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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 Number312227
Basic Format312-227
NPA (Area Code)312
NXX227

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
312-227-0XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-1XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-2XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-3XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-4XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-5XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-6XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-7XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-8XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-9XXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/20/2010CHICAGO ZONE 01ILMW10/15/2010
312-227-XXXX9329ILLINOIS BELL TEL COCHICGOZN01AS09/15/2010CHICAGO ZONE 01IL

Business/Government Phones on the 312-227 Prefix

PhoneNameAddress
312-227-2610Lurie Children's Pediatrics in Uptown4867 North Broadway Chicago 60640 US
312-227-4000Ann & Robert H. Lurie Children's Hospital225 East Chicago Avenue Chicago 60611 US
312-227-7600Outpatient Center in Northbrook1131 Techny Road Northbrook 60062 US

Reports

Anonymous User from Chicago, Illinois

January 27, 2026 at 1:02 PM

312-227-5726 reported as a Robocall. Received on January 27, 2026 at 10:54 AM.
Call for Charities

Anonymous User from Chicago, Illinois

November 19, 2025 at 5:21 PM

312-227-5242 reported as a Robocall. Received on October 8, 2025 at 12:13 PM.
Call for Dropped call or no message

Anonymous User from , IL

March 28, 2025 at 4:27 PM

312-227-6050 reported as a Live Voice or Other. Received on March 28, 2025 at 3:24 PM.

Anonymous User from Spring, Texas

January 21, 2025 at 1:26 PM

312-227-8548 reported as a Robocall. Received on January 21, 2025 at 12:14 PM.

Anonymous User from Riverside, Il, Illinois

January 7, 2025 at 10:00 AM

312-227-8197 reported as a Robocall. Received on January 6, 2025 at 6:54 PM.
Call for Medical & prescriptions

Anonymous User from Geneva, IL

November 13, 2023 at 3:56 PM

312-227-3117 reported as a Live Voice. Received on November 13, 2023 at 9:16 AM.
Unwanted call for Solar Panels Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Lockport, New York

August 31, 2023 at 9:52 AM

312-227-2213 reported as a Robocall. Received on August 29, 2023 at 4:49 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Chicago, Illinois

August 12, 2022 at 4:14 PM

312-227-6085 reported as a unwanted call. Received on August 12, 2022 at 3:05 PM.

Anonymous User from , IL

August 10, 2022 at 1:53 PM

312-227-2361 reported as a Robocall. Received on August 10, 2022 at 1:52 PM.
Call for Medical & prescriptions

Anonymous User from Gilbert, Arizona

July 14, 2022 at 11:14 AM

312-227-5410 reported as a Robocall. Received on July 14, 2022 at 8:09 AM.

Anonymous User from Oak Brook, Illinois

June 9, 2022 at 12:12 PM

312-227-4448 reported as a Live Voice or Other. Received on May 31, 2022 at 8:22 AM.

Most 'popular' numbers on this prefix:

312-227-0XXX: 312-227-0230 | 312-227-0270 | 312-227-0272 | 312-227-0273 | 312-227-0277 | 312-227-0290 |
312-227-1XXX: 312-227-1000 | 312-227-1001 | 312-227-1003 | 312-227-1010 | 312-227-1014 | 312-227-1015 | 312-227-1111 | 312-227-1122 | 312-227-1152 | 312-227-1162 | 312-227-1163 | 312-227-1165 | 312-227-1200 | 312-227-1203 | 312-227-1208 | 312-227-1212 | 312-227-1234 | 312-227-1247 |
312-227-2XXX: 312-227-2200 | 312-227-2222 | 312-227-2224 | 312-227-2225 | 312-227-2277 | 312-227-2300 | 312-227-2345 | 312-227-2360 | 312-227-2362 | 312-227-2369 | 312-227-2600 | 312-227-2611 | 312-227-2614 | 312-227-2618 | 312-227-2667 | 312-227-2800 | 312-227-2853 | 312-227-2854 | 312-227-2855 | 312-227-2888 | 312-227-2889 |
312-227-3XXX: 312-227-3110 | 312-227-3111 | 312-227-3118 | 312-227-3142 | 312-227-3196 | 312-227-3300 | 312-227-3333 | 312-227-3336 | 312-227-3383 | 312-227-3386 | 312-227-3388 | 312-227-3600 | 312-227-3620 | 312-227-3623 | 312-227-3624 | 312-227-3666 | 312-227-3667 |
312-227-4XXX: 312-227-4000 | 312-227-4002 | 312-227-4003 | 312-227-4007 | 312-227-4062 | 312-227-4221 | 312-227-4222 | 312-227-4229 | 312-227-4241 | 312-227-4242 | 312-227-4247 | 312-227-4600 | 312-227-4607 | 312-227-4609 | 312-227-4945 | 312-227-4947 | 312-227-4949 | 312-227-4992 | 312-227-4997 | 312-227-4998 |
312-227-5XXX: 312-227-5200 | 312-227-5220 | 312-227-5222 | 312-227-5247 | 312-227-5414 | 312-227-5415 | 312-227-5417 | 312-227-5600 | 312-227-5601 | 312-227-5606 |
312-227-6XXX: 312-227-6001 | 312-227-6004 | 312-227-6008 | 312-227-6080 | 312-227-6087 | 312-227-6088 | 312-227-6452 | 312-227-6453 | 312-227-6454 |
312-227-7XXX: 312-227-7500 | 312-227-7505 | 312-227-7506 | 312-227-7507 | 312-227-7600 | 312-227-7608 | 312-227-7609 | 312-227-7654 | 312-227-7667 | 312-227-7953 | 312-227-7956 | 312-227-7959 | 312-227-7992 | 312-227-7997 | 312-227-7998 |
312-227-8XXX: 312-227-8186 | 312-227-8187 | 312-227-8197 | 312-227-8500 | 312-227-8501 | 312-227-8507 | 312-227-8600 | 312-227-8601 | 312-227-8606 | 312-227-8693 |