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Area code 909 · California

(909) 377-4238

909-377-4238 · 9093774238 · High complaint volume

Consumers have filed 17 complaints about calls from (909) 377-4238 with the Federal Trade Commission and the Federal Communications Commission, between Sep 15, 2026 and Oct 19, 2026. The most common topic is impostor calls (1 of 17 reports), and 59% of callers used a recorded message. Complaints came from 4 states, which is typical of mass-dialing campaigns.

17Total complaintsFTC 17 · FCC 0
14Last 30 daysLast 7 days: 4
59%Recorded messageof 17 reports that said
4States reportingMost: Arizona

Complaint activity for (909) 377-4238

Complaints per day about (909) 377-4238, Sep 15, 2026 to Oct 21, 202612Sep 15, 2026: 1Sep 15Sep 16, 2026: 0Sep 17, 2026: 0Sep 18, 2026: 1Sep 19, 2026: 0Sep 20, 2026: 0Sep 21, 2026: 1Sep 22, 2026: 0Sep 23, 2026: 0Sep 24, 2026: 0Sep 25, 2026: 0Sep 26, 2026: 0Sep 27, 2026: 1Sep 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: 2Oct 8, 2026: 2Oct 9, 2026: 1Oct 10, 2026: 0Oct 11, 2026: 2Oct 12, 2026: 0Oct 13, 2026: 1Oct 14, 2026: 1Oct 15, 2026: 2Oct 16, 2026: 0Oct 17, 2026: 0Oct 18, 2026: 0Oct 19, 2026: 2Oct 20, 2026: 0Oct 21, 2026: 0
Complaints per day about (909) 377-4238, Sep 15, 2026 to Oct 21, 2026

What callers from this number were about

Impostors pretend to be a government agency, a well-known company or even a relative. Government agencies do not demand payment by gift card, wire transfer or cryptocurrency. Hang up and call the agency or company back using a number you look up yourself.

Where the complaints came from

Cities named in complaints: Mesa, AZ (2) · Tucson, AZ (2) · Fontana, CA (2) · Sacramento, CA (2) · Pleasant Hill, CA (1) · Phoenix, AZ (1) · Scottsdale, AZ (1) · Peoria, AZ (1) · Nashua, NH (1) · Modesto, CA (1)

Latest complaints

Date filedConsumer locationTopicTypeSource
Oct 19, 2026AZDebt reductionLive callerFTC
Oct 19, 2026Nashua, NHOtherLive callerFTC
Oct 15, 2026Tucson, AZOtherRecorded messageFTC
Oct 15, 2026Peoria, AZOtherRecorded messageFTC
Oct 14, 2026Scottsdale, AZOtherRecorded messageFTC
Oct 13, 2026Phoenix, AZImpostor callsRecorded messageFTC
Oct 11, 2026Mesa, AZOtherLive callerFTC
Oct 11, 2026Pleasant Hill, CAOtherRecorded messageFTC
Oct 9, 2026Tucson, AZOtherRecorded messageFTC
Oct 8, 2026CAOtherRecorded messageFTC
Oct 8, 2026Mesa, AZOtherLive callerFTC
Oct 7, 2026Modesto, CAOtherRecorded messageFTC
Oct 7, 2026Sacramento, CAOtherRecorded messageFTC
Sep 27, 2026Sacramento, CAOtherRecorded messageFTC
Sep 21, 2026Fontana, CAOtherLive callerFTC
Sep 18, 2026Fontana, CAOtherLive callerFTC
Sep 15, 2026NVOtherLive callerFTC

Linked call-back numbers

In FCC complaints, consumers can record the number the caller asked them to call back. These links show how numbers are used together in the same campaign.

  • (619) 637-1864 gave out (909) 377-4238 as a call-back number (1 report)
  • (833) 376-8930 gave out (909) 377-4238 as a call-back number (1 report)
  • (949) 323-3536 gave out (909) 377-4238 as a call-back number (1 report)
  • (855) 580-1118 gave out (909) 377-4238 as a call-back number (1 report)
  • (916) 374-5929 gave out (909) 377-4238 as a call-back number (1 report)
  • (559) 469-0458 gave out (909) 377-4238 as a call-back number (1 report)
  • (833) 556-3430 gave out (909) 377-4238 as a call-back number (1 report)

Number details

Formats
(909) 377-4238 · 909-377-4238 · +1 909-377-4238 · 9093774238
Area code
909 · California
Rate center
Upland, CA
Originally assigned to
New Cingular Wireless PCS, LLC (prefix 909-377, since 2015)
First and last complaint
Sep 15, 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 909

Phone numberComplaintsTopicLast reported
(909) 294-28383OtherOct 18, 2026
(909) 372-36683Not specifiedOct 17, 2026
(909) 371-28564OtherOct 16, 2026
(909) 281-00164Impostor callsOct 15, 2026
(909) 363-96695Dropped call or no messageOct 12, 2026
(909) 228-51063Debt reductionOct 9, 2026
(909) 375-53513OtherOct 7, 2026
(909) 639-65233OtherOct 3, 2026

See all reported numbers in area code 909 →

Is this your number?

If you own (909) 377-4238 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.