NumBan lets you share scam voicemails, extracts the callback number and helps you report it while keeping your data private.
- for
- iPhone users who receive scam calls and want to report callback numbers safely.
- pricing
- free
Key features
- Voicemail sharing — Send a voicemail directly from the Phone app to NumBan for analysis.
- Automatic number extraction — NumBan transcribes audio and surfaces the callback number and relevant transcript snippet.
- One-tap verification — Confirm unclear numbers with a single tap before reporting.
- Weekly status checks — The service re-checks reported numbers weekly and notifies you when they are dead.
- Private by design — Audio, screenshots and your email stay private unless you choose to publish.
- Leaderboard tracking — Confirmed dead numbers count toward your rank on a community leaderboard.
Use cases
- Receive a scam voicemail and want to verify the number they ask you to call back.
- Report a scam callback number without exposing your personal email.
- Track the status of previously reported numbers to see when they are disconnected.
NumBan FAQ
What is NumBan?+
NumBan helps identify and report scam callback numbers by letting you share voicemails, review extracted numbers, and follow their status.
How does NumBan verify scam numbers?+
It transcribes the voicemail on its servers, extracts possible callback numbers, and lets you confirm any unclear numbers before reporting.
What happens after I report a number?+
NumBan reports the number, checks it weekly, and notifies you when it becomes disconnected, counting it as a "kill" on the leaderboard.
Is my voicemail audio shared publicly?+
No, audio, screenshots and transcript text remain private and are not published on public number pages.
What is a "kill"?+
A kill is a reported callback number that is confirmed dead—disconnected or no longer routable—after abuse complaints are filed.
Summarized by DevHunt from numban.com · Nov 3, 2026. Details may change; check the official site.
