(773) 663-3136
(773) 663-3136 is likely an unwanted sales call: 24 FTC complaints and 1 FCC complaint, recorded messages in 29% of the FTC complaints.
- No new complaints since Apr 18, 2024 (FTC data through Nov 13, 2026).
- More FTC complaints than 99% of the 26,593 numbers with FTC complaints in area code 773.
- No number in the 773-663 block has more complaints; 36 numbers there have FTC complaints.
Complaint history
24 FTC complaints between Nov 22, 2022 and Apr 18, 2024.
The FTC complaints came in 13 of the 18 months from Nov 2022 to Apr 2024; the busiest was May 2023, with 4 of 24.
FTC complaints are filed by consumers with the U.S. Federal Trade Commission's Do Not Call registry; they aren't verified by the FTC or by us.
Complaints to the FCC
1 complaint to the U.S. Federal Communications Commission on Mar 25, 2024.
The complainant heard a live person. They filed it as unwanted calls (1). Complainants were in Washington (1).
Source: FCC Consumer Help Center, Consumer Complaints Data (public domain), complaints about unwanted calls, telemarketing and robocalls. The FCC doesn't verify the facts alleged in complaints, and neither do we.
What callers claimed
4 of its 24 FTC complaints (17%) are about computer and tech support; across area code 773 that isn't one of the 8 commonest call types (each of those is at least 1% of its FTC complaints).
Complaint categories chosen by FTC complainants:
- Not specified / other 17 · 71%
- Computer & technical support 4 · 17%
- Calls pretending to be government, businesses, or family and friends 2 · 8%
- Dropped call or no message 1 · 4%
Who called
The number's block is assigned to T-Mobile USA, Inc..
Is it a debt collector?
Nothing says it is: none of its 25 complaints describe debt collection.
Nearby numbers in 773-663
The closest reported numbers on either side of (773) 663-3136, in number order.
All reported numbers in 773-663 →When the calls came
Time of day of 21 calls:
Day of the week of 24 calls:
The date and time of the call as complainants entered them on the FTC form; the time zone isn't recorded. Times entered as exactly midnight or noon are left out (they're usually the form's default).
Location
- Rate centre (NANPA abbreviation)
- CHICGOZN03, IL, USA
- Block assigned to
- T-Mobile USA, Inc.
From the North American Numbering Plan Administrator (Nov 3, 2026). This is who the number block was assigned to; numbers can be moved between carriers, and caller IDs can be faked.
1 of 24 complainants has area code 773, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.
Most FTC complainants were in California (4 of 24); others in Florida (2), New York (2) and Texas (2) and more. Statewide, California ranks #26 of the 50 states and DC for Do Not Call complaints per resident: 283,769 in the last 12 months, 721 per 100,000 people. Spam calls in California.
Where FTC complainants were located (U.S. states):
- California 4 · 17%
- Florida 2 · 8%
- New York 2 · 8%
Show 3 more states Show fewer
- Texas 2 · 8%
- Virginia 2 · 8%
- Alabama 1 · 4%
Complainants' cities (most common):
Brooklyn, NY (1) · Hillsboro, NH (1) · Honolulu, HI (1) · La Vernia, TX (1) · Lancaster, CA (1)
As typed on the FTC form, with spelling variants merged; complaints without a city aren't counted.
Searches on Canadial
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Recent community reports
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What to do
- Don't share personal or banking details, or pay anyone, on a call you didn't expect. Hang up and call the organization back on a number you find yourself.
- Block it from your recent calls (iPhone: ⓘ, then “Block this Caller”; Android: long-press, then “Block”).
- Report fraud to the Canadian Anti-Fraud Centre (1-888-495-8501).
- Report telemarketing if you're registered and still got the call: to the National Do Not Call List.
- A collector calling? How to check a collection agency in your province.
- Report fraud to the FTC.
- Report telemarketing if you're registered and still got the call: to the National Do Not Call Registry.
- A collector calling? See the FTC's guide to your rights.
- Report fraud: in the U.S. to the FTC; in Canada to the Canadian Anti-Fraud Centre (1-888-495-8501).
- Report telemarketing if you're registered and still got the call: in the U.S. to the National Do Not Call Registry; in Canada to the National Do Not Call List.
- A collector calling? In the U.S., see the FTC's guide to your rights; in Canada, how to check a collection agency in your province.
Questions about (773) 663-3136
- Who called me from (773) 663-3136?
- No complaint names the caller; FTC complainants most often said the calls were about computer and tech support. The number is in a block assigned to T-Mobile USA, Inc. (rate centre CHICGOZN03, IL) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.
- Is (773) 663-3136 a scam?
- Canadial rates it medium risk, from 25 complaints, latest Apr 18, 2024, robocalls in 29% of the FTC complaints.
- Is (773) 663-3136 a debt collector or collection agency?
- Nothing says it is: none of its 25 complaints describe debt collection.
- Should I call (773) 663-3136 back?
- No. Calling back can confirm that your line is answered. If the caller claimed to be a company or agency you deal with, contact it on a number you find yourself.
- How many times has (773) 663-3136 been reported?
- 24 complaints to the U.S. FTC's Do Not Call registry between Nov 22, 2022 and Apr 18, 2024 and 1 complaint to the U.S. FCC on Mar 25, 2024.
- What do callers from (773) 663-3136 say?
- 4 of its 24 FTC complaints (17%) are about computer and tech support; across area code 773 that isn't one of the 8 commonest call types (each of those is at least 1% of its FTC complaints).
Data updated: FTC complaints through Nov 13, 2026; FCC complaints refreshed daily; numbering records as of Nov 3, 2026; community reports live. How this page is built.