(203) 204-4666

2 FTC complaints on Apr 30, 2025.

Both FTC complaints are about calls in Apr 2025.

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

Complaint categories chosen by FTC complainants:

• Not specified / other 2 · 100%

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

Time of day of 2 calls; most often the 10 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).

Rate centre (NANPA abbreviation)

GUILFORD, CT, 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.

Area code 203: 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 (203) 204-4666?

No complaint names the caller. The number is in a block assigned to Onvoy, LLC (rate centre GUILFORD, CT) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ.

Is (203) 204-4666 a scam?

Canadial rates it low risk, from 2 complaints, latest Apr 30, 2025.

Is (203) 204-4666 a debt collector or collection agency?

Nothing says it is: none of its 2 complaints describe debt collection.

Should I call (203) 204-4666 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 (203) 204-4666 been reported?

2 complaints to the U.S. FTC's Do Not Call registry on Apr 30, 2025.

When does (203) 204-4666 call?

In FTC complaints, the most common time was the 10 a.m. hour (2 of 2 calls with a time); the most common day was Wednesday (2 of 2).