phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

312-666

You are reviewing the Area Code (NPA/NXX) report for 312-666. Did you mean to search the SMS short code 312666?

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
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 Number312666
Basic Format312-666
NPA (Area Code)312
NXX666

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeCityState
312-666-XXXX9329ILLINOIS BELL TEL COCHICGOZN01ASCHICAGO ZONE 01IL

Business/Government Phones on the 312-666 Prefix

PhoneNameAddress
312-666-0149Hales Property Management, Inc.
312-666-3131OK Heating & Cooling Inc.
312-666-6670Chicago Yacht Works
312-666-03477-Eleven504 North Halsted Street Chicago 60642 US
312-666-0730Bari1120 West Grand Avenue Chicago 60642 US
312-666-2251Taqueria Los Comales 31544 West 18th Street Chicago 60608 US
312-666-2372The Breakfast Club & Grill1381 West Hubbard Street Chicago 60642 US
312-666-3444Salerno's Pizza at Chicago1201 West Grand Avenue Chicago 60642 US
312-666-3471Conte Di Savolia1438 West Taylor Street Chicago 60607 US
312-666-3500Pizza NovaUS
312-666-4587J.P. Graziano Grocery901 West Randolph Street Chicago 60607 US
312-666-4707April 7s Custom Framing766 North Milwaukee Avenue Chicago 60642 US
312-666-5111Cone Gourmet Ice Cream1047 West Madison Street Chicago 60607 US
312-666-5166West Loop Dental Associates1111 West Madison Street Chicago 60607 US
312-666-5180Sabas Vega1808 South Ashland Avenue Chicago 60608 US
312-666-5495Jewel-Osco1340 South Canal Street Chicago 60607 US
312-666-5900Domino's1234 South Canal Street Chicago 60607 US
312-666-6316Panaderia El Acambaro1720 West 18th Street Chicago 60608 US
312-666-6775Bottom Lounge1375 West Lake Street Chicago 60607 US
312-666-6900Lush Wine & Spirits1412 West Chicago Avenue Chicago 60622 US
312-666-7401Felix Appliances1317 West 18th Street Chicago 60608 US
312-666-7846Chase1000 West Randolph Street Chicago 60607 US
312-666-8314Starbucks506 North Milwaukee Avenue Chicago 60642 US
312-666-8601Simone’s960 West 18th Street Chicago 60608 US
312-666-9292The Matchbox770 North Milwaukee Avenue Chicago 60642 US
312-666-9555Alhambra Palace1240 West Randolph Street Chicago 60607 US

Reports

Anonymous User from Libertyville, Illinois

March 31, 2026 at 11:40 AM

312-666-9883 reported as a Live Voice or Other. Received on March 31, 2026 at 10:38 AM.

Anonymous User from Atlanta, Illinois

November 19, 2025 at 12:23 PM

312-666-0098 reported as a Live Voice or Other. Received on November 19, 2025 at 11:27 AM.
Call for Vacation & timeshares

Anonymous User from Libertyville, Illinois

September 5, 2025 at 4:00 PM

312-666-1405 reported as a Live Voice or Other. Received on September 5, 2025 at 2:59 PM.

Anonymous User from Lake Winnebago, Missouri

August 1, 2025 at 12:34 PM

312-666-3767 reported as a Live Voice or Other. Received on August 1, 2025 at 10:52 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Chicago, Illinois

January 24, 2024 at 7:05 PM

312-666-3097 reported as a Live Voice or Other. Received on January 24, 2024 at 3:25 PM.
Call for Dropped call or no message

Anonymous User from Lithia, Florida

November 13, 2023 at 4:24 PM

312-666-6465 reported as a Robocall. Received on November 13, 2023 at 4:22 PM.
Call for Medical & prescriptions

Anonymous User from , NV

June 1, 2023 at 1:45 PM

312-666-3494 reported as a Robocall. Received on June 1, 2023 at 9:47 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Plain City, Ohio

April 20, 2023 at 11:27 AM

312-666-6025 reported as a unwanted call. Received on April 20, 2023 at 11:24 AM.
Call for No Subject Provided

Anonymous User from Monee, Illinois

December 23, 2022 at 4:40 PM

312-666-6712 reported as a Live Voice or Other. Received on December 22, 2022 at 11:09 AM.
Call for Dropped call or no message

Anonymous User from Chicago, Illinois

June 15, 2022 at 2:44 PM

312-666-5426 reported as a Live Voice or Other. Received on June 15, 2022 at 10:55 AM.
Call for Dropped call or no message

Anonymous User from Louisville, Kentucky

June 12, 2022 at 4:29 PM

312-666-0673 reported as a Live Voice or Other. Received on June 9, 2022 at 3:38 PM.

Anonymous User from , IL

June 10, 2022 at 7:15 PM

312-666-8576 reported as a Robocall. Received on June 10, 2022 at 5:27 PM.
Call for Computer & technical support

Anonymous User from Acton, MA

November 30, 2020 at 6:35 PM

312-666-7132 reported as a Prerecorded Voice. Received on November 30, 2020 at 10:42 AM.
Unwanted call for unknown
Caller ID indicated they called from 312-668-7132
Contacted via Wired

Anonymous User from , IL

February 8, 2016 at 6:46 PM

reported as a Abandoned Calls. Received on February 8, 2016 at 6:07 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 312-666-9023
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

312-666-0XXX: 312-666-0006 | 312-666-0009 | 312-666-0011 | 312-666-0012 | 312-666-0017 | 312-666-0035 | 312-666-0140 | 312-666-0141 | 312-666-0147 | 312-666-0158 | 312-666-0176 | 312-666-0178 | 312-666-0506 | 312-666-0556 | 312-666-0559 | 312-666-0597 | 312-666-0598 | 312-666-0599 | 312-666-0602 | 312-666-0606 | 312-666-0607 | 312-666-0691 | 312-666-0692 | 312-666-0699 | 312-666-0702 | 312-666-0706 | 312-666-0707 | 312-666-0731 | 312-666-0733 | 312-666-0737 |
312-666-1XXX: 312-666-1500 | 312-666-1506 | 312-666-1508 | 312-666-1547 | 312-666-1583 |
312-666-2XXX: 312-666-2000 | 312-666-2002 | 312-666-2006 | 312-666-2040 | 312-666-2047 | 312-666-2048 | 312-666-2200 | 312-666-2233 | 312-666-2262 | 312-666-2266 | 312-666-2269 | 312-666-2300 | 312-666-2345 | 312-666-2362 | 312-666-2370 | 312-666-2371 | 312-666-2377 | 312-666-2500 | 312-666-2525 | 312-666-2530 | 312-666-2533 | 312-666-2537 | 312-666-2562 |
312-666-3XXX: 312-666-3000 | 312-666-3047 | 312-666-3062 | 312-666-3090 | 312-666-3096 | 312-666-3099 | 312-666-3130 | 312-666-3132 | 312-666-3135 | 312-666-3196 | 312-666-3197 | 312-666-3198 | 312-666-3400 | 312-666-3443 | 312-666-3491 | 312-666-3495 | 312-666-3499 | 312-666-3500 | 312-666-3550 | 312-666-3554 | 312-666-3556 | 312-666-3558 | 312-666-3776 | 312-666-3777 | 312-666-3778 |
312-666-4XXX: 312-666-4000 | 312-666-4007 | 312-666-4062 | 312-666-4070 | 312-666-4077 | 312-666-4078 | 312-666-4400 | 312-666-4409 | 312-666-4420 | 312-666-4422 | 312-666-4424 | 312-666-4444 | 312-666-4500 | 312-666-4545 | 312-666-4580 | 312-666-4583 | 312-666-4588 | 312-666-4610 | 312-666-4611 | 312-666-4616 | 312-666-4666 | 312-666-4668 | 312-666-4669 | 312-666-4700 | 312-666-4702 | 312-666-4707 | 312-666-4950 | 312-666-4955 | 312-666-4959 | 312-666-4993 | 312-666-4997 | 312-666-4998 |
312-666-5XXX: 312-666-5000 | 312-666-5001 | 312-666-5050 | 312-666-5054 | 312-666-5055 | 312-666-5180 | 312-666-5186 | 312-666-5188 | 312-666-5196 | 312-666-5420 | 312-666-5427 | 312-666-5429 | 312-666-5706 | 312-666-5757 | 312-666-5787 | 312-666-5793 | 312-666-5797 | 312-666-5799 | 312-666-5800 | 312-666-5806 | 312-666-5808 | 312-666-5883 | 312-666-5887 | 312-666-5889 |
312-666-6XXX: 312-666-6000 | 312-666-6020 | 312-666-6022 | 312-666-6024 | 312-666-6060 | 312-666-6191 | 312-666-6196 | 312-666-6197 | 312-666-6198 | 312-666-6199 | 312-666-6327 | 312-666-6328 | 312-666-6329 | 312-666-6391 | 312-666-6393 | 312-666-6398 | 312-666-6443 | 312-666-6452 | 312-666-6453 | 312-666-6462 | 312-666-6464 | 312-666-6468 | 312-666-6600 | 312-666-6662 | 312-666-6666 | 312-666-6680 | 312-666-6686 | 312-666-6688 | 312-666-6710 | 312-666-6711 | 312-666-6712 | 312-666-6762 | 312-666-6763 | 312-666-6767 | 312-666-6900 | 312-666-6901 | 312-666-6906 | 312-666-6996 | 312-666-6998 |
312-666-7XXX: 312-666-7134 | 312-666-7135 | 312-666-7139 | 312-666-7172 | 312-666-7176 | 312-666-7179 | 312-666-7400 | 312-666-7404 | 312-666-7409 | 312-666-7443 | 312-666-7447 | 312-666-7449 | 312-666-7700 | 312-666-7708 | 312-666-7709 | 312-666-7777 | 312-666-7778 |
312-666-8XXX: 312-666-8500 | 312-666-8501 | 312-666-8507 | 312-666-8550 | 312-666-8600 | 312-666-8601 | 312-666-8606 | 312-666-8696 | 312-666-8697 | 312-666-8944 | 312-666-8947 | 312-666-8949 | 312-666-8996 | 312-666-8997 | 312-666-8998 |
312-666-9XXX: 312-666-9000 | 312-666-9020 | 312-666-9022 | 312-666-9024 | 312-666-9090 | 312-666-9247 | 312-666-9290 | 312-666-9297 | 312-666-9299 | 312-666-9500 | 312-666-9550 | 312-666-9553 | 312-666-9559 | 312-666-9663 | 312-666-9666 | 312-666-9667 | 312-666-9696 | 312-666-9697 |