Virtual phone numbers · free
Free virtual phone number — what it actually is
A free virtual phone number is a shared inbox that lets anyone receive an SMS to a public number — useful for one-off sign-up verification, not for ongoing use because anyone else can also read messages sent to it. callmins offers both: a free shared SMS inbox for one-off verification, and a dedicated private virtual number from $0.99/month when you want one only you can access.
Who it's for
- Anyone testing a sign-up flow and willing to use a shared SMS inbox.
- Users who tried a "free virtual number" service and got rejected by WhatsApp or Telegram.
- Privacy-conscious users who don't want to put their real number into a marketplace or social app.
- Budget-conscious users who want the cheapest possible real number — $0.99/month — without the gotchas of free shared inboxes.
What it costs
| Plan | Price |
|---|---|
Free shared SMS inbox One-off SMS only, public, no voice, no WhatsApp | $0.00 |
 Dedicated UK virtual number Private, voice + SMS, works with WhatsApp | $0.99/mo |
 Dedicated US virtual number Private, voice + SMS, works with WhatsApp | $0.99/mo |
 Dedicated Lithuania virtual number Private, voice + SMS | $0.99/mo |
All other countries (CA, DE, FR, PL, etc.) 12 countries total | $0.99 – $1.99/mo |
Free shared inbox is genuinely free — no credit card, no trial expiry. Dedicated numbers start at $0.99/month.
How it works
- 1
Decide which kind you need
If you just need a verification code for a throwaway sign-up and don't mind if anyone else can see it, a free shared inbox is fine. If you'll re-use the number, or it's for an account you actually care about, skip straight to the $0.99/month dedicated option.
- 2
Try the free shared inbox first (optional)
Open callmins.com/receive-sms-online (coming soon — for now, sign up free and use the SMS receive feature on a shared US number). Copy the public number, paste it into the service you're signing up for, and watch the inbox for your code.
- 3
Upgrade to a dedicated number when it matters
Top up your callmins wallet by $5, open Numbers → Buy, pick a country, and your dedicated number activates instantly. The first month's $0.99 rental comes out of your wallet; subsequent months renew automatically.
- 4
Use the number anywhere a normal phone number works
Once you have a dedicated number, it works for WhatsApp, Telegram, banking, Uber, Airbnb, marketplace sign-ups, and any service that asks for a phone number. Calls and SMS land in your browser.
FAQ
- Is there really a free virtual phone number?
- Yes — but only for one-off SMS receiving. "Free" virtual phone numbers are shared inboxes: a public US, UK, or other-country number that anyone on the internet can read SMS messages to. They're fine for testing a sign-up flow, but anyone else who knows the number can also see any code that lands on it, so they're not safe for accounts you care about.
- What's the catch with free virtual numbers?
- Three catches: (1) the number is shared — anyone else can see SMS sent to it; (2) most services (WhatsApp, Telegram, banking apps) detect well-known public numbers and reject them; (3) free inboxes rotate frequently, so you can't keep the same number across multiple sign-ups. For anything you'll re-use, rent a dedicated private number — it's $0.99/month on callmins.
- Can I use a free virtual phone number for WhatsApp?
- Usually no. WhatsApp maintains a blocklist of well-known public SMS inboxes and rejects sign-ups from them. The same is true for Telegram, Signal, Google, and most banking apps. If you specifically want a number for WhatsApp, rent a private virtual number — $0.99/month for UK or US — see our WhatsApp number guide.
- How is callmins's $0.99/month virtual number different?
- A dedicated callmins number is private — only you can read SMS sent to it. It stays yours as long as you keep the rental active. It works with WhatsApp, Telegram, and almost every service that requires a phone number. Free shared inboxes can't do any of that.
- Can I receive calls on a free virtual number?
- Not reliably. Free shared inboxes are SMS-only — they don't ring a real phone, they don't take voicemail, and they certainly won't connect you to a human. A dedicated callmins number receives both calls and SMS and rings in your browser.
- Why does callmins charge $0.99/month if free numbers exist?
- Because they're different products. Free shared inboxes are a public utility for one-off SMS reads. A $0.99/month dedicated number is yours alone, comes with voice and SMS, works with services that block shared numbers, and rolls over month to month. The math is: free is fine for testing; private is the right choice for anything you'll keep using.
Related
Get a dedicated number — $0.99/mo
No credit card to start. Top up only when you're ready to call.
Get a dedicated number — $0.99/mo