Physical SIM vs eSIM: Which One Should You Choose?
Both options work well in Belgium, but your choice depends on convenience, device compatibility, and how long you stay. Here's a quick comparison.
| Feature | Physical SIM | eSIM |
|---|---|---|
| Setup | Insert physical SIM card into phone | Download profile via QR code or app |
| Device Compatibility | Works with any unlocked phone | Requires eSIM-compatible smartphone (iPhone XS or newer, most recent Androids) |
| Activation Time | Instant after purchase at store | Instant, can be installed before travel |
| Cost | €10–€30 for starter pack + top-ups | From $4.99 (about €4.50) for data-only plans |
| Best For | Long stays or need voice calls | Short trips, dual-SIM users, convenience |
Local Operators
Proximus
Proximus is the largest Belgian operator with extensive 4G/5G coverage. Their 'Proximus Prepaid' starts at €10 with 2GB data. Good for travelers visiting both cities and countryside.
Orange
Orange offers competitive prepaid plans like 'Orange Prepaid' with 5GB for €15. They have a popular tourist SIM called 'Orange Holiday' with 10GB for €20, valid 30 days.
Base (Telenet)
Base is known for affordable data packs. Their 'Base Prepaid' starts at €5 for 1GB. Ideal for budget-conscious travelers staying in cities.
Where to Buy a SIM Card in Belgium
Price Comparison
| Plan | Data | Duration | Price |
|---|---|---|---|
| Proximus Prepaid Start | 2 GB | 30 days | €10 |
| Orange Holiday Prepaid | 10 GB | 30 days | €20 |
| Base Prepaid Surf | 1 GB | 7 days | €5 |
| Holafly eSIM Belgium | Unlimited (fair use) | 7 days | €4.50 (after discount) |
How to Activate Your SIM Card or eSIM in Belgium
Requirements:
- Unlocked phone (check with your carrier before travel)
- Valid passport (for physical SIM registration)
- Wi-Fi connection (to download eSIM profile)
Choose Your Option
Decide between a physical SIM from a store or an eSIM from Holafly. For eSIM, purchase online before your trip.
Register Your SIM (Physical SIM only)
If buying a physical SIM in Belgium, you must show your passport and register the SIM with the operator. This is mandatory by law.
Install eSIM Profile (eSIM only)
After purchasing the eSIM, you'll receive a QR code by email. Go to Settings > Cellular > Add Cellular Plan and scan the QR code. Label it as 'Belgium Data'.
Activate and Top-Up
Physical SIMs are usually active immediately after insertion. For eSIM, enable the plan in settings. Top up data if needed via operator app or website.
Practical Tips
💡 Check Your Phone Compatibility
Before buying an eSIM, ensure your smartphone supports eSIM. Most iPhones from XS onwards and recent Android flagships do. For physical SIM, your phone must be unlocked.
💡 Use a Dual SIM Setup
If your phone supports dual SIM (physical + eSIM), keep your home SIM for calls/texts and use the eSIM for data. This avoids roaming charges on your primary line.
💡 Monitor Your Data Usage
Belgium has good 4G/5G coverage, but data can run out quickly if streaming video. Many prepaid plans offer data top-ups. eSIMs like Holafly often have unlimited data (with fair use).
💡 Keep Your Passport Handy
When buying a physical SIM in Belgium, you must show your passport. The store will register it. Without registration, the SIM may be blocked after a few days.
Frequently Asked Questions
Which SIM card to buy in Belgium?
For best coverage, choose Proximus or Orange. Orange offers a tourist-friendly 'Holiday' SIM with 10GB for €20. For budget, Base has cheap data packs. For convenience, consider an eSIM from Holafly with unlimited data.
How much does a SIM card cost in Belgium?
Prepaid SIM cards start from around €5 for a basic pack with 1GB data. More comprehensive packages with 5-10GB cost between €15 and €25. eSIM plans start as low as $4.99 (approx. €4.50) for a week.
What is the prettiest town in Belgium?
While subjective, many travelers find Bruges, Ghent, Dinant, and Durbuy among the prettiest. Bruges is famous for its canals and medieval architecture, while Dinant offers stunning river views and a citadel.
Can I buy a European SIM card in the US?
Yes, you can purchase a European SIM card online before your trip from retailers like Amazon or directly from eSIM providers. However, it's often cheaper to buy a local SIM upon arrival in Belgium. eSIMs can be bought from anywhere with an internet connection.
Do I need to register my SIM card in Belgium?
Yes, Belgian law requires all prepaid SIM cards to be registered with a valid ID (passport for foreigners). This is done at the point of sale. Without registration, the SIM may be deactivated after a few days.
Staying connected in Belgium is easy and affordable, whether you choose a physical SIM from Proximus, Orange, or Base, or opt for the convenience of an eSIM from Holafly. For short trips, an eSIM saves time and hassle. For longer stays, a local prepaid SIM offers great value with voice and data. Whichever you choose, you'll have reliable coverage in cities, countryside, and even on trains. Enjoy your Belgian adventure!