The only second mobile number app
Available on the iOS App Store and Google Play Store
AT&T charging high roaming fees that quickly add up when using your smartphone abroad. That’s where SLYNUMBER comes in—offering reliable Costa Rica eSIM data plans with affordable, flexible, and hassle-free pricing designed specifically for travelers.
Rated by 5,500 users
Activate from the home screen.
Complete the one-time eSIM purchase.
Follow the installation instructions.
Getting started with a Costa Rica eSIM phone number plan has never been easier for bothi Phone and Android users. With our global eSIM service, you can use your SLYNUMBER phone number not only in Costa Rica but anywhere in the world.
Purchase a SLYNUMBER eSIM with the amount of data you need —no need to pick a specific destination. Our eSIM works seamlessly throughout Costa Rica, keeping you connected from all the popular destinations you are looking to see, like San Jose!
You’ll receive your travel eSIM instantly after purchase viaQR code, with the option to install it manually if preferred. Add it to your device before traveling for a smooth start.
When you arrive in Costa Rica, you can turn on the eSIM account and you are ready to go! There are no roaming charges, no need for SIM swaps, or anything else like that. All you need is high-speed internet and your mobile data plan with us.
Use the SLYNUMBER app (iPhone or Android device) to monitor your data usage, top up as needed, or switch between plans — all with no contracts or hidden fees.
There are several advantages to use our eSIM plan in Costa Rica. Below are some of the more noteworthy reasons
SLYNUMBER’s eSIM works worldwide, including Costa Rica with no roaming fees or contracts.
We make the entire process easy and simple. We send you an email with a QR code for you to activate. There is no physical SIM card.
Connect with friends and family thought WhatsApp without changing your number!
Need help? SLYNUMBER offers around-the-clock customer support via email and chat, wherever you are in the world. Our support team is here for you when you need it the most.
Easy as 1-2-3!
When you combine a SLYNUMBER eSIM with our phone number, you can easily make phone calls, send text messages, and use your data to stay connected through apps like WhatsApp.
Not all devices support eSIM, so it’s important to confirm that your device is eSIM-compatible before trying to use SLYNUMBER's eSIM services.
After scanning the QR code and adding your eSIM plan, wait until you reach your destination before activating the data. Make sure data roaming is enabled in your settings to enjoy full access to your eSIM benefits
The possibilities are endless!
You can use your data to access your WhatsApp number to make calls and send messages while traveling.
Use SLYNUMBER’s eSIM internet access to post stories and pictures while abroad.
No need to rely on cafe wi-fi or sketchy internet. Use your eSIM data to quickly create and upload content for your followers.
You don’t have to worry about getting lost in unfamiliar places, as your eSIM will provide reliable connectivity to access Google Maps.
Available on the iOS App Store and Google Play Store
