Always stay connected when you travel
Backup calling for just $2
No roaming. No SIM. No stress. Call any regular number worldwide during your trip — so you're never out of reach.
Limited launch offer
Grab your $2 backup calling credit
How Callzo Works
A simple story that happens to travelers every day
HOLIDAY
Priya travels abroad. She's excited — new cities, new memories 💫
NEED TO CALL
One day her WhatsApp fails. She needs to call home — or her hotel — but roaming is expensive 😬
CALLZO SAVES IT
She opens Callzo. For just $2, she makes the call instantly. Problem solved ❤️
Why Callzo?
Simple, affordable, and reliable backup calling for every traveler
Always Reachable
Make calls when your regular apps fail. Never miss an important conversation.
Just $2 for 15 Days
Cheaper than a coffee. Priceless when you need it. No hidden fees, no surprises.
Works Worldwide
Call any regular number from anywhere. Your backup solution across the globe.
No SIM Needed
Works with your existing phone. No physical SIM cards, no complicated setup.
Simple pricing. No tricks.
One price. Total peace of mind.
Your travel backup calling pass
Cheaper than a coffee. Priceless when you need it.
Always there when you need it
Real situations where Callzo saves the day
Call Parents
Stay connected with family back home
Call Hotel
Reach your accommodation anytime
Call Support
Get help when you need it most
Call Businesses
Book restaurants, tours, and more
When Apps Fail
Your backup when WhatsApp won't work
Questions? We've got answers
Everything you need to know about Callzo
No, Callzo is a backup solution. It's perfect for when your regular calls don't work or roaming is too expensive. Think of it as your safety net for staying connected.
Yes, Callzo is designed for making outbound calls to any regular phone number worldwide. It's perfect for calling hotels, family, support lines, and businesses when you're traveling.
No, Callzo uses VoIP (Voice over Internet Protocol) technology, so you'll need an internet connection (WiFi or mobile data) to make calls. But that's what makes it so affordable!
Nope! Callzo works with your existing phone and internet connection. No physical SIM cards, no complicated setup. Just download, activate, and you're ready to call.
Because we use VoIP technology instead of traditional phone networks. This lets us offer you reliable calling at a fraction of the cost of roaming or international calling plans.
Callzo works in 150+ countries worldwide. As long as you have an internet connection, you can make calls to regular phone numbers anywhere in the world.
Travel boldly.
Call freely.
Join thousands of travelers choosing Callzo
For peace-of-mind calling wherever your adventures take you