Do you need a phone number for WhatsApp?
Yes. According to the WhatsApp Help Center, registering an account requires a phone number that can receive a one-time verification code by SMS or voice call. There is no way to create a WhatsApp account without a number that can receive that code.
Can you use WhatsApp without a SIM card?
Yes — you do not need a physical plastic SIM. You can verify and use WhatsApp with an eSIM that includes a phone number, installed by scanning a QR code, or with a dedicated virtual number, which needs nothing installed at all: the code appears in the Simbye app. The one thing that does not work is a data-only eSIM, because it provides internet but no number to receive the code.
3 ways to get a number for WhatsApp verification
| Option | SIM needed? | Best for |
|---|---|---|
| Dedicated virtual number (US +1, UK +44, Netherlands +31, Australia +61) | No | A separate second number just for verification & SMS |
| eSIM with a real number + data | No (eSIM) | Travel + a local number with calls, SMS & data |
| Local physical SIM | Yes | Buying in-country, queue at a shop |
For most people who simply need to receive the WhatsApp code or want a private second line, a dedicated virtual number is the fastest route — you read the SMS code directly in the Simbye app or on the web within minutes.
Use a fresh, dedicated number — not a recycled free one
Free "temporary number" apps recycle numbers between users. A peer-reviewed Princeton study (Lee & Narayanan, 2021) found that 171 of 259 recycled US numbers (66%) were still linked to a previous owner's online accounts. A dedicated, freshly provisioned number avoids hijacked-account and privacy risks — it is yours alone.
How to verify WhatsApp with a Simbye number (step by step)
1. Choose a US (+1), UK (+44), Dutch (+31) or Australian (+61) number for 30 days, 6 months or 12 months, or a country eSIM that includes a number. 2. Pay. A virtual number is assigned right after checkout; an eSIM arrives by e-mail with a QR code within minutes. 3. Open WhatsApp, enter your new Simbye number, and request the code. 4. Read the SMS code in the Simbye app or web and enter it. Done — no physical SIM, no second phone.
Not sure whether your eSIM even has a number? Read: Does an eSIM give you a phone number?
Country guides: UK number for WhatsApp · US number for WhatsApp · Dutch phone number · Australian phone number
FAQ
Can you use WhatsApp without a phone number?
No — WhatsApp always requires a number that can receive the verification code. But you do not need a physical SIM: an eSIM with a number or a virtual number works.
How do I get a number for WhatsApp verification?
Get a dedicated virtual number (US +1, UK +44, Netherlands +31 or Australia +61), which needs nothing installed, or an eSIM that includes a number, which you install by QR code. Then use the number to receive the WhatsApp code.
Will my main number change?
No. The new number is a separate second line; your primary number stays untouched.
Is it a real number or VoIP?
Simbye virtual numbers are real numbers that receive SMS; UK, Dutch and Australian numbers also receive calls with the calls add-on. The country eSIMs use real local carrier numbers.
How fast is it?
A virtual number is ready right after checkout. For an eSIM, the QR code arrives by e-mail within minutes and activation takes about 2 minutes.
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