Who's calling you?

Check any phone number against our community-powered spam database before you pick up.
Enter a 10-digit phone number below for a free lookup.

Instant Risk Check

Every lookup checks community spam reports and FTC Do Not Call complaints in one shot.

Free to Use

Web lookups are free for everyone. The free iOS app removes the limits and adds automatic blocking.

Powered by You

Report spam callers from the app and help protect everyone in the TrustCaller community.

Find and Report Spam Callers

Let us help you find out who is calling you and report numbers so others don't have to listen to telemarketers as well. Friends don't let friends suffer from reported phone numbers!

Use our site to identify spam numbers, and use the app to get those numbers blocked from calling you again.

Check TrustCaller.com!
Man helping TrustCaller.com customer with phone number lookup

Top Notch Lookup

We help you find reported phone numbers so you know whether or not to take that call and identify spam.

TrustCaller iOS app identifying an incoming spam call

Take TrustCaller with you

The free TrustCaller app for iPhone identifies and blocks spam callers automatically, so bad calls never even ring. Your call history stays on your device — we never see who calls you.

  • Automatic spam blocking, built on Apple's call screening

  • Privacy first — your history never leaves your phone

  • Unlimited lookups and one-tap spam reporting

Download on the App Store

Know who's calling. Live.

Upgrade to TrustCaller Plus in the app and see real-time caller identification the moment your phone rings — not just from the periodic database. Your subscription funds the spam database and keeps the core app free for everyone.

Live Caller ID

Real-time identification on every incoming call. Requires iOS 18 or later.

Still Completely Private

Lookups use Apple's encrypted protocol. Our servers answer without ever seeing who called you.

Support TrustCaller

Monthly or yearly plans, cancel anytime in your Apple subscription settings.