Does Realcaller work in the United States?
Yes. The United States is the only country with data today: Realcaller knows 813,371 US numbers from FTC and FCC complaints, refreshed every week, and each card says where the flag came from.
813,371
US numbers from FTC and FCC complaints
Where does the US data come from?
From two public complaint sources run by US federal agencies. The text of a complaint is never shown; only the number, the source and a label.
- FTC, the Federal Trade Commission
- Do Not Call complaint files, which the FTC releases as daily files covering about the last 30 days. They are public domain and carry the most weight in a score.
- FCC, the Federal Communications Commission
- Consumer complaints filed under “Unwanted Calls”. Also public domain, with a little less weight than the FTC data. A number from the FCC gets a label only when the FTC data had one.
- Refresh schedule
- The files are pulled again every Monday, and scores are recomputed every night. Phones update their offline list daily.
- Realcaller users
- Reports from app users also count, but there were none yet as of October 7, 2026.
Counts below are as of the date shown and change with each weekly refresh.
What labels will you see?
A short label such as Robocall or Debt relief, when the complaint data had one. 207,007 of the numbers carry a label.
| Label | Numbers |
|---|---|
| Robocall | 84,800 |
| Debt relief | 63,200 |
| Impostor | 29,200 |
| Medical & Rx | 15,100 |
Counts are rounded to the nearest hundred. Smaller labels include Warranty, Home improvement, Timeshare, Prize / lottery, Energy / solar, Tech support, Money-making offer, Home security and Charity. as of
Most flagged numbers read Suspicious, not Known spam
About 259,500 US numbers have a base score of 0.40 or higher, which is Suspicious. Only 247 reach 0.70, which is Known spam. A live check on a US phone can add up to 0.10 to those scores.
What does the Do Not Call Registry not do?
It does not block calls, and scammers ignore it. The FTC says it stops sales calls from real companies that follow the law, and being on it will not stop illegal calls.
- Registering is free, and your number stays on the list for good. It can take up to 31 days for sales calls to stop.
- Political, charitable, debt collection and survey calls are still allowed.
- Business phone numbers are not covered.
- Never let a caller register you. Register only at the official site.
That is the gap a caller ID app fills: Realcaller looks at each unknown number when it calls, whether or not it is on a list.
Read what the Registry stops and what it can’tFTC, National Do Not Call Registry FAQs (page dated September 2023) (opens the source site),checked on
What do the FTC’s 2025 numbers say about scam calls?
The FTC received more than 1 million imposter-scam reports in 2025, with more than $3.5 billion in reported losses. That is the FTC’s count of reports, not a count of calls.
1 million+
imposter-scam reports to the FTC in 2025
$3.5 billion+
reported lost to imposter scams in 2025
- The FTC also received 3 million fraud reports in total, with $15.9 billion in reported losses.
- Reported losses are only a fraction of what people really lose, because many scams are never reported.
- The figures cover every way scammers make contact, not only phone calls.
FTC press release, March 25, 2026 (opens the source site),checked on
Read how to interpret the FTC numbersMore on the United States
Plain-language guides with their official sources linked.
What the Do Not Call Registry stops, and what it can’t
How to register, how long it takes, and which calls still come through.
Imposter scams: what the FTC’s 2025 numbers say
What the numbers cover and what they leave out.
You answered a scam call. What now?
A checklist for the US, with FTC advice.
How does Realcaller decide a number looks like spam?
The score, the data and what is still missing.
Join the waitlist from the US
Realcaller is in development and not on Google Play yet. Leave your email and choose the United States as your country, and we will use them only for the waitlist.