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Nope. Your active Tello SIM or eSIM handles everything. Your US number stays active for calling and texting while your service runs on local partner networks across Europe.

Until September 30, 2026, European roaming comes built right into your regular monthly Tello plan! This means your roaming calls, texting, and data will be deducted straight from your normal plan allowances at no extra cost. Once your plan allowances are used up, any additional roaming usage will be charged from your Pay As You Go balance, if available.
This Free Roaming in Europe offer is a limited-time promotion. Starting October 1, 2026, roaming will no longer deduct from your monthly plan allowances, and all European roaming usage will go back to being charged exclusively from your Pay As You Go balance.

What happens next?

• Check the eligible countries: Before you head out, make sure your destination is covered by checking the countries included in the Free Roaming in Europe offer.
• Plan your activation: If you are a new customer, make sure you purchase and fully activate your Tello SIM or eSIM while you are still physically in the US before you travel.
• Keep some Pay As You Go credit handy: If you are traveling after the promotion ends or expect to use more than your monthly plan limits (including our 50 GB high-speed roaming limit), add some Pay As You Go credit to your account.

⚠️ Important: If you're traveling abroad, outside the destinations included in the Free Roaming in Europe offer, then you must activate and use your Tello line in the United States before. Our service cannot be initially activated outside of the US.