Cellular Data

Stay connected
wherever you go

Stay connected wherever you go—whether in the US or abroad—with SLYNUMBER's pay-as-you-go eSIM feature, offering flexibility and convenience without the hassle of contracts or roaming fees.

You can stay connected wherever you go, without the hassle of expensive roaming fees.

We’re excited to introduce our latest update, featuring the new eSIM add-on. With SLYNUMBER’s eSIM, you can stay connected wherever you go, without the hassle of expensive roaming fees. When you run out, simply purchase more or pause the data until you need it again.

150+

Your data travels with you seamlessly

With the SLYNUMBER app, you can grab prepaid data in 150+ countries and say goodbye to roaming fees.

Step by step

How to activate eSIM

1
Download
the app

Download the app, select a subscription and pick your new number.

2
Follow installation instructions

Follow the provided instructions to complete the installation and activate your data plan.

3
Start using
data

Your phone will automatically connect to the internet network, wherever you are.

Complete step-by-step

Ready to try eSIM and change the way you stay connected?

Download the SLYNUMBER app to purchase, manage, and top up your eSIMs anytime, anywhere!

200k+
users

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FAQ

Frequently asked questions

Do I need to purchase additional credits?

Your subscription includes unlimited inbound text messaging and phone calls, as well as a 100 outbound credits. You may need to increase your outbound messaging credits depending on your usage. Note: 1 credit= 1-minute phone call, 1 text message, or 1 picture message.

Does SLYNUMBER work with financial services?

Yes, since SLYNUMBER provides real mobile numbers, it works with financial services that require phone number verification. You can securely use it to receive SMS codes and other essential notifications from your bank or other financial institutions.

Can I use SLYNUMBER outside of the US?

You can use Slynumber anywhere in the world with no roaming fees. All you need is a data connection (mobile data or WIFI).

Can I use my SLYNUMBER for international calls and messages?

No. SLYNUMBER can only be used to make calls and send messages to phone numbers in the US and Canada.

Can I choose my area code?

Yes. SLYNUMBER offers all area codes in the US, so you can keep your phone number private. However, availability varies.

Why can't I find SLYNUMBER in the Apple App Store or Android Play Store?

SLYNUMBER mobile app is only available within the US and Canada and can be downloaded on iPhone (iOS devices) and Android devices. If you are currently outside of the US or Canada, you won't be able to use our service

Why is having a real mobile phone number important?

Real mobile numbers are more versatile and reliable than internet-based VoIP numbers. Many services, including social media, shopping platforms, dating apps, and financial institutions, require real mobile numbers for verification. SLYNUMBER provides you with a second line that functions just like your primary one, ensuring compatibility across various platforms.

What sets SLYNUMBER apart from other second number apps?

SLYNUMBER is the only app that offers real mobile numbers, not just VoIP (Voice over Internet Protocol) numbers. Many other second number apps rely on internet-based numbers that may not work for all services, while SLYNUMBER provides actual mobile service numbers that are more reliable and widely accepted. Real mobile numbers are more versatile and reliable than internet-based VoIP numbers. Many services, including social media, shopping platforms, dating apps, and financial institutions, require real mobile numbers for verification. SLYNUMBER provides you with a second line that functions just like your primary one, ensuring compatibility across various platforms.