How to Keep Your UK Mobile Number Abroad
The "cheapest way to keep a UK number abroad" is a common question for digital nomads and students. Here is the factual breakdown for 2025.
Why You Need Your UK Number
Most UK banks (Barclays, HSBC, Monzo) and travel apps require **2FA (Two-Factor Authentication)** via SMS. If you lose your UK number, you lose access to your money.
The 3 Best Ways to Keep Your Number
1. The Porting Strategy
Port your number to a PAYG SIM (like giffgaff or Lebara) with no monthly cost. Just make one call or text every 6 months to keep it active.
2. The Virtual Number (Swytch/MoreMins)
Convert your number to a virtual app-based service. Good for calls, but sometimes shaky for bank 2FA SMS.
3. The 'Jolli Home Base' Method (Recommended)
Keep your UK number on its original SIM (Physical or eSIM) and turn ON Wi-Fi Calling. Use the **Jolli eSIM** for all your data needs in 200 countries. This ensures your UK number stays active for free 2FA while you save 90% on data roaming.
Zero-Roam Configuration
Want to see if your phone is compatible? Check our Supported Devices Guide.

