(831) 603-5109

3 FTC complaints between Mar 20, 2023 and Sep 13, 2024.

The FTC complaints came in 2 of the 19 months from Mar 2023 to Sep 2024; the busiest was Mar 2023, with 2 of 3.

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.

What callers claimed

3 of its 3 FTC complaints (100%) are about charity donations, against 1% of the 12,071 FTC complaints about all numbers in area code 831.

Complaint categories chosen by FTC complainants:

• Charities 3 · 100%

The number's block is assigned to Onvoy, LLC in Aptos, CA.

Time of day of 3 calls; most often the 1 p.m. hour (2):

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 of the number block

Aptos, CA, USA

Block assigned to

Onvoy, LLC

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.

None of 3 complainants have area code 831, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.

Area code 831: where it is, time zone, spam calls →

• 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.

Who called me from (831) 603-5109?

No complaint names the caller; FTC complainants most often said the calls were about charity donations. The number is in a block assigned to Onvoy, LLC in Aptos, CA (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.

Is (831) 603-5109 a scam?

Canadial rates it low risk, from 3 complaints, latest Sep 13, 2024, 33% robocalls.

Is (831) 603-5109 a debt collector or collection agency?

Nothing says it is: none of its 3 complaints describe debt collection.

Should I call (831) 603-5109 back?

Be careful. If you don't recognize it, let it go to voicemail: a legitimate caller will leave a message, and you can reach any real organization on a number you look up yourself.

How many times has (831) 603-5109 been reported?

3 complaints to the U.S. FTC's Do Not Call registry between Mar 20, 2023 and Sep 13, 2024.

What do callers from (831) 603-5109 say?

3 of its 3 FTC complaints (100%) are about charity donations, against 1% of the 12,071 FTC complaints about all numbers in area code 831.

When does (831) 603-5109 call?

In FTC complaints, the most common time was the 1 p.m. hour (2 of 3 calls with a time).