Area code 831 · California
(831) 603-5563
831-603-5563 · 8316035563 · Low complaint volume
Consumers have filed 2 complaints about calls from (831) 603-5563 with the Federal Trade Commission and the Federal Communications Commission, between Oct 12, 2026 and Oct 12, 2026. Most reports do not name a specific topic. All complaints with a location came from Texas.
Complaint activity for (831) 603-5563
What callers from this number were about
If you do not recognize a caller, let the call go to voicemail. Legitimate callers usually leave a message, and you can call them back using a number you have verified yourself.
Where the complaints came from
Latest complaints
| Date filed | Consumer location | Topic | Type | Source |
|---|---|---|---|---|
| Oct 12, 2026 | TX | Other | – | FTC |
| Oct 12, 2026 | TX | Other | – | FTC |
Number details
- Formats
- (831) 603-5563 · 831-603-5563 · +1 831-603-5563 · 8316035563
- Area code
- 831 · California
- Rate center
- Aptos, CA
- Originally assigned to
- Onvoy, LLC - CA (prefix 831-603, since 2026)
- First and last complaint
- Oct 12, 2026 – Oct 12, 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.
Your rights under the TCPA
The Telephone Consumer Protection Act (47 U.S.C. § 227) lets consumers sue over certain prerecorded or autodialed calls made without consent, for $500 per violation, and courts may increase damages up to three times when the violation was willful or knowing.
For telemarketing calls to a number on the National Do Not Call Registry, a private claim generally requires more than one call within 12 months from the same company. Keep a record of dates, times and any company name the caller gave.
Want to take action over calls from (831) 603-5563? Find a New York attorney
General information only, not legal advice. The attorney directory currently covers New York.
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 831
| Phone number | Complaints | Topic | Last reported |
|---|---|---|---|
| (831) 842-5947 | 3 | Debt reduction | Oct 19, 2026 |
| (831) 653-0697 | 3 | Debt reduction | Oct 15, 2026 |
| (831) 469-8601 | 2 | Other | Oct 10, 2026 |
| (831) 220-3355 | 3 | Other | Oct 1, 2026 |
| (831) 837-4281 | 2 | Not specified | Sep 22, 2025 |
Is this your number?
If you own (831) 603-5563 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.