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How to Buy a Virtual Number Online (And Get Your OTP in Under 60 Seconds)

7 min read
January 20, 2025

Buying a virtual phone number used to feel complicated. Too many sketchy sites, confusing interfaces, numbers that never worked. I'd enter the code and get nothing. Wasted credits, wasted time.

But once I figured out how to do it properly, it became one of the most useful things I do online. Need to verify a new account? Done in 90 seconds. Don't want to hand your real number to some app? Easy. Need a number from a different country? Pick one and go.

This guide breaks down everything: what virtual numbers actually are, why they're worth using, and exactly how to buy one on ESIMPY, from browsing to receiving your OTP, without any of the confusion.

What Is a Virtual Phone Number?

A virtual phone number is a real, working phone number that lives in the cloud instead of on a physical SIM card.

It can receive SMS messages and OTP codes just like any normal mobile number. When an app sends a verification code to your virtual number, it shows up on your dashboard in seconds. No device. No SIM swap. No hardware at all.

The only difference between a virtual number and the one on your phone is where it lives. From an app's perspective, sending a code to a virtual number is identical to sending it to any other mobile number.

Why Use a Virtual Number for Verification?

I'll be direct: the main reasons I use virtual numbers are privacy and flexibility. But there are a few others worth knowing about.

Privacy: Every time you enter your real phone number on a new platform, that number gets stored. Virtual numbers keep your personal SIM out of the equation entirely.

Multiple accounts: Most apps only allow one account per phone number. If you need more than one, whether for work, testing, or separating accounts, virtual numbers make it possible without buying multiple SIM cards.

Country flexibility: Some apps only accept numbers from specific countries. With virtual numbers, you can pick from 100+ countries and match whatever the app expects.

Speed: There's no waiting for delivery. No store visits. No SIM card compatibility to figure out. Purchase and receive your OTP in under 60 seconds.

No device required: Everything runs through a browser dashboard. It works from your laptop, your phone, your tablet, or whatever you have in front of you.

What Can You Use a Virtual Number For?

Virtual numbers on ESIMPY work with 80+ apps and services. The most common ones:

  • WhatsApp: verify a new account or add a second number
  • Google: create or verify a Google account
  • ChatGPT / OpenAI: complete phone verification
  • Telegram: register without using your personal number
  • Instagram, TikTok, Facebook: social media account verification
  • Amazon: account or seller verification
  • Discord, Twitter/X, and many more

Not sure if a number works with your specific app? Use the app filter on the ESIMPY pricing page. It only shows numbers confirmed to work with your chosen service.

How to Buy a Virtual Number on ESIMPY

This is the part most guides skip over. Here's exactly how it works.

Step 1: Go to the Pricing Page

Head to esimpy.com/pricing/esim. Every available virtual number is listed there, organized by country, app compatibility, accuracy, and price.

Step 2: Filter to Find the Right Number

Use the filters to narrow things down. You can filter by:

  • Country: pick the country your number should be from
  • App or service: filter to only see numbers that work with WhatsApp, Google, Telegram, or whatever you need
  • Accuracy: sort by how reliably each number delivers codes
  • Price: find whatever fits your budget

Each listing shows the country, price in credits, accuracy rating, and current stock. You know exactly what you're getting before you buy.

Step 3: Purchase with Credits

Found a number you want? Complete the purchase with your credits. Your virtual number is activated instantly. No confirmation wait, no email to look for.

Step 4: Wait for the SMS

Once your number is active, ESIMPY monitors it automatically for incoming messages. Go to the app you're verifying, enter the virtual number, and request the code. When the OTP arrives, it appears on your dashboard. Average delivery is under 3 seconds.

Step 5: You're Done

That's the whole process. From picking your number to receiving the verification code, you're looking at under two minutes. No QR codes. No device settings. No SIM card involved.

Virtual Number vs Personal Number: When to Use Which

Not sure which makes more sense for your situation? Here's the quick breakdown.

Virtual NumberPersonal Number
PrivacyYour real number stays hiddenExposed to the app or service
Setup timeUnder 60 secondsInstant, but permanent
Multiple accountsYes, buy as many as you needLimited by your single number
Country flexibility100+ countries availableTied to your home country
CostPay per use with creditsFree, but no flexibility
Device requiredNoneRequires your physical phone

For one-time account verification, privacy-sensitive signups, or managing multiple accounts across platforms, a virtual number is the practical choice. For personal calls and permanent contacts, your regular SIM card is still fine.

Frequently Asked Questions About Virtual Numbers

Is a virtual number a real phone number? Yes. Virtual numbers are real mobile numbers. They receive SMS and OTP codes the same way a physical SIM card does. Apps can't tell the difference.

Does it work with WhatsApp and Telegram? Yes, as long as you filter by app before buying. Virtual numbers are real numbers, so they work for WhatsApp, Telegram, and any service that requires SMS verification. The app filter on the pricing page shows only numbers confirmed to work with your specific service.

How do I know if a number will actually deliver the code? Each listing shows an accuracy percentage. This reflects how reliably that number delivers OTP codes from a given service. Sort by accuracy or "best value" to find the most dependable options. ESIMPY's platform-wide success rate is 94%.

Do I need a phone or special app? No. Virtual numbers are completely independent of your device. You access everything through the ESIMPY dashboard in any browser. No app install. No device settings.

What happens after the SMS arrives? The number is used for that verification session. When you need to verify again, whether a new account or a different service, just head back to the pricing page and pick a new number.

Is my personal information safe? Yes. Virtual numbers require no personal information to use. You're never asked to connect your real identity to the number.

How fast does the OTP arrive? Average delivery is under 3 seconds from the moment the app dispatches the SMS.


Buying a virtual number on ESIMPY takes about two minutes from start to finish. Filter by country and service, pick a number with a solid accuracy rating, and your OTP lands on the dashboard in seconds.

Head to esimpy.com/pricing/esim to get started.

Ready to get your virtual number?

Instant delivery · 80+ apps · 100+ countries

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