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Area code 773 · Illinois

(773) 243-0399

773-243-0399 · 7732430399 · Moderate complaint volume

Consumers have filed 5 complaints about calls from (773) 243-0399 with the Federal Trade Commission and the Federal Communications Commission, between Sep 21, 2026 and Oct 19, 2026. The most common topic is dropped call or no message (1 of 5 reports), and 60% of callers used a recorded message. Complaints came from 4 states, which is typical of mass-dialing campaigns.

5Total complaintsFTC 5 · FCC 0
4Last 30 daysLast 7 days: 3
60%Recorded messageof 5 reports that said
4States reportingMost: Massachusetts

Complaint activity for (773) 243-0399

Complaints per day about (773) 243-0399, Sep 21, 2026 to Oct 21, 202612Sep 21, 2026: 1Sep 21Sep 22, 2026: 0Sep 23, 2026: 0Sep 24, 2026: 0Sep 25, 2026: 0Sep 26, 2026: 0Sep 27, 2026: 0Sep 28, 2026: 0Sep 29, 2026: 0Sep 30, 2026: 0Oct 1, 2026: 0Oct 1Oct 2, 2026: 0Oct 3, 2026: 0Oct 4, 2026: 0Oct 5, 2026: 0Oct 6, 2026: 0Oct 7, 2026: 0Oct 8, 2026: 0Oct 9, 2026: 1Oct 10, 2026: 0Oct 11, 2026: 0Oct 12, 2026: 0Oct 13, 2026: 0Oct 14, 2026: 0Oct 15, 2026: 1Oct 16, 2026: 0Oct 17, 2026: 0Oct 18, 2026: 0Oct 19, 2026: 2Oct 20, 2026: 0Oct 21, 2026: 0
Complaints per day about (773) 243-0399, Sep 21, 2026 to Oct 21, 2026

What callers from this number were about

Silent or dropped calls often come from automated dialers checking whether a line is active. Answering or calling back can confirm that your number is in use and lead to more calls.

Where the complaints came from

Cities named in complaints: N. Easton, MA (2) · Port Jefferson Station, NY (1) · Zionville, NC (1) · Sarasota, FL (1)

Latest complaints

Date filedConsumer locationTopicTypeSource
Oct 19, 2026N. Easton, MAOtherRecorded messageFTC
Oct 19, 2026N. Easton, MAOtherRecorded messageFTC
Oct 15, 2026Sarasota, FLImpostor callsRecorded messageFTC
Oct 9, 2026Zionville, NCDebt reductionLive callerFTC
Sep 21, 2026Port Jefferson Station, NYDropped call or no messageLive callerFTC

Number details

Formats
(773) 243-0399 · 773-243-0399 · +1 773-243-0399 · 7732430399
Area code
773 · Illinois
Originally assigned to
Mcimetro Access Transmission Services LLC (prefix 773-243, since 2026)
First and last complaint
Sep 21, 2026 – Oct 19, 2026

The carrier shown is the company the prefix was first assigned to by the numbering administrator. Numbers are often ported to other carriers, and caller ID can be faked, so the real caller may be unrelated to this carrier or to the person who owns this number.

How to report an unwanted call

  • Federal Trade Commission. Report telemarketing and robocalls at donotcall.gov or by calling 1-888-382-1222. These are the reports that feed most of this site.
  • Federal Communications Commission. File an unwanted call or text complaint at consumercomplaints.fcc.gov.
  • Your phone carrier. Most carriers offer free spam labeling and call blocking, and some let you forward spam texts to 7726 (SPAM).
  • Your state attorney general. Most states have a consumer protection office that takes complaints about telemarketing and scams.

Other reported numbers in area code 773

Phone numberComplaintsTopicLast reported
(773) 344-55554Debt reductionOct 20, 2026
(773) 410-51963Not specifiedOct 6, 2026
(773) 872-52433OtherSep 30, 2026
(773) 915-05493Dropped call or no messageSep 29, 2026
(773) 410-51933Not specifiedSep 28, 2026
(773) 273-75643Dropped call or no messageSep 25, 2026
(773) 312-31723Not specifiedSep 23, 2026
(773) 992-14987Impostor callsSep 22, 2026

See all reported numbers in area code 773 →

Is this your number?

If you own (773) 243-0399 and believe it is being spoofed, tell your carrier and keep records of the complaints you receive. You can also contact us through the site to add context to this page.