(628) 237-3255

3 FTC complaints between May 29, 2025 and Sep 30, 2025.

The FTC complaints came in 2 of the 5 months from May 2025 to Sep 2025; the busiest was Sep 2025, 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

1 of its 3 FTC complaints (33%) is about medical and prescription offers, against 3% of the 10,292 FTC complaints about all numbers in area code 628.

Complaint categories chosen by FTC complainants:

• Not specified / other 2 · 67%
• Medical & prescriptions 1 · 33%

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

Time of day of 3 calls; most often the 9 a.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

Sausalito, 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 628, the number's own. The calls reached people elsewhere, so this isn't a local caller to them.

Area code 628: 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 (628) 237-3255?

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

Is (628) 237-3255 a scam?

Canadial rates it medium risk, from 3 complaints, latest Sep 30, 2025, 100% robocalls.

Is (628) 237-3255 a debt collector or collection agency?

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

Should I call (628) 237-3255 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 (628) 237-3255 been reported?

3 complaints to the U.S. FTC's Do Not Call registry between May 29, 2025 and Sep 30, 2025.

What do callers from (628) 237-3255 say?

1 of its 3 FTC complaints (33%) is about medical and prescription offers, against 3% of the 10,292 FTC complaints about all numbers in area code 628.

When does (628) 237-3255 call?

In FTC complaints, the most common time was the 9 a.m. hour (2 of 3 calls with a time); the most common day was Tuesday (2 of 3).