(406) 740-6428

12 FTC complaints between Jun 26, 2025 and Jul 4, 2025.

The FTC complaints came in every month from Jun 2025 to Jul 2025; the busiest was Jun 2025, with 7 of 12.

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 12 · 100%

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

Time of day of 12 calls; most often the 7 p.m. hour (3):

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

Colstrip, MT, 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.

12 of 12 complainants (100%) have area code 406, the number's own. Scam callers often show a local-looking number (“neighbour spoofing”); a local business calling nearby customers looks the same.

Area code 406: 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 (406) 740-6428?

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

Is (406) 740-6428 a scam?

Canadial rates it medium risk, from 12 complaints, latest Jul 4, 2025, 100% robocalls.

Is (406) 740-6428 a debt collector or collection agency?

Nothing says it is: none of its 12 complaints describe debt collection.

Should I call (406) 740-6428 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 (406) 740-6428 been reported?

12 complaints to the U.S. FTC's Do Not Call registry between Jun 26, 2025 and Jul 4, 2025.

When does (406) 740-6428 call?

In FTC complaints, the most common time was the 7 p.m. hour (3 of 12 calls with a time); the most common day was Friday (6 of 12).