Signal is the most privacy-forward mainstream messenger — end-to-end encrypted by default, minimal metadata. But it still requires a phone number to register. A virtual number closes that last privacy gap.
Why the phone number is a privacy problem
Your Signal phone number is visible to anyone you message (unless you enable the newer username feature). If your real SIM is your Signal ID, every contact sees your real number. A virtual registration number breaks that link.
Registration flow
- Install Signal, tap Continue, choose country.
- Rent Signal on SMSVerifyo in the same country.
- Enter the number, choose SMS (not call), receive the code in your dashboard, submit.
- Set a Signal PIN (do not skip this — it locks recovery to your device).
Enable username (2026 feature)
Settings → Profile → Username. Once set, share the username instead of the phone number. Under Phone Number Privacy, toggle Nobody can see my number. Now the virtual number is only visible to the SMSVerifyo dashboard.
Losing the rental — plan ahead
If the rental expires and you ever need to re-register (new device), you must re-verify with a working number. Options: (a) keep a long-term rental, (b) accept that Signal on a new device is a fresh identity, (c) rely on Signal PIN + registration lock which resists number changes.
Frequently asked questions
Does Signal detect VoIP?
No — Signal accepts any working SMS-capable number.
Can two people share a Signal account?
No. One number, one Signal identity.
Cost?
Signal verifications start at $0.15 on SMSVerifyo.
Is this legal?
Yes. Signal's ToS require a working phone number, not a phone number you personally own.