(626) 603-4603

4 FTC complaints between Jun 27, 2024 and Jul 21, 2025.

The FTC complaints came in 3 of the 14 months from Jun 2024 to Jul 2025; the busiest was Jul 2024, with 2 of 4.

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 4 FTC complaints (25%) is about impersonating a government agency, business or relative, against 9% of the 33,749 FTC complaints about all numbers in area code 626.

Complaint categories chosen by FTC complainants:

• Calls pretending to be government, businesses, or family and friends 1 · 25%
• Dropped call or no message 1 · 25%
• Home improvement & cleaning 1 · 25%
• Not specified / other 1 · 25%

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

Time of day of 4 calls:

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)

SNGBLCNN, 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.

Area code 626: 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 (626) 603-4603?

No complaint names the caller; FTC complainants most often said the calls were about impersonating a government agency, business or relative. The number is in a block assigned to Onvoy, LLC (rate centre SNGBLCNN, CA) (NANPA, Nov 3, 2026); numbers can move between carriers, so the caller's provider may differ. It's one of 6 numbers in the same block first reported for the same kind of call within days of each other, likely one operation.

Is (626) 603-4603 a scam?

Canadial rates it medium risk, from 4 complaints, latest Jul 21, 2025, 75% robocalls.

Is (626) 603-4603 a debt collector or collection agency?

Nothing says it is: none of its 4 complaints describe debt collection.

Should I call (626) 603-4603 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 (626) 603-4603 been reported?

4 complaints to the U.S. FTC's Do Not Call registry between Jun 27, 2024 and Jul 21, 2025.

What do callers from (626) 603-4603 say?

1 of its 4 FTC complaints (25%) is about impersonating a government agency, business or relative, against 9% of the 33,749 FTC complaints about all numbers in area code 626.