Compare Mobile SIM Plans in Belgium

Live offers across tracked providers in Belgium — updated daily from the Giraffy database.

Live offers

42 live offers compared from 15 providers, from €3 /mois. Updated daily.

Telenet Mobile GO 1 Go Telenet Mobile

€3 /mois

  • Plan de paiement: Port payé
  • Données: 1 Go
  • Réseau: Proximus (Télénet)
  • Contracter: Aucun engagement
  • Appels et SMS: Compris
  • Itinérance dans l'UE: Compris

Plan numérique DIGI

€3 /mois

Forfait DIGI de DIGI (cartes SIM mobiles). Offre mise à jour quotidiennement par Giraffy.

  • Fournisseur: NUMÉRIQUE

UNDO Zéro Déchet UNDO

€4 /mois

  • Plan de paiement: Port payé
  • Données: 4 Go
  • Réseau: Orange
  • Contracter: Aucun engagement
  • Appels et SMS: Compris
  • Itinérance dans l'UE: Compris

DIGI Mobile 30 DIGI

€5 /mois

  • Plan de paiement: Port payé
  • Données: 30 Go
  • Réseau: NUMÉRIQUE
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris

Lycamobile 5 Go BE Lycamobile Belgium

€5 /mois

  • Plan de paiement: Prépayé/Postpayé
  • Données: 5 Go
  • Réseau: Proximus
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité BE
  • Itinérance dans l'UE: Compris
  • الجيل الخامس: Oui

Mega Glow Onbeperkt Mega

€5 /mois

  • Plan de paiement: Port payé
  • Données: 5 Go
  • Réseau: Orange
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris
  • الجيل الخامس: Oui

Simba 10 Go BE Simba Mobile BE

€6 /mois

  • Plan de paiement: Port payé
  • Données: 10 Go
  • Réseau: Orange
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris

Salut ! 25 Go hey!

€7 /mois

  • Plan de paiement: Port payé
  • Données: 25 Go
  • Réseau: Orange
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris
  • الجيل الخامس: Oui

DIGI Mobile 40 DIGI

€7 /mois

  • Plan de paiement: Port payé
  • Données: 40 Go
  • Réseau: NUMÉRIQUE
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris

Concours de cinéma : 750 gagnants ! Proximus

€7.50 /mois

Concours cinéma : 750 gagnants ! Offert par Proximus (cartes SIM mobiles) dans la section Mobile. Offre mise à jour quotidiennement par Giraffy.

  • Réseau: Proximus
  • Fournisseur: Proximus

Des avantages exclusifs pour nos clients Proximus

€7.50 /mois

Des avantages exclusifs pour nos clients Proximus (cartes SIM mobiles) chez Mobile. Offre mise à jour quotidiennement par Giraffy.

  • Réseau: Proximus
  • Fournisseur: Proximus

Vous avez 5 Go Yoin

€8 /mois

  • Plan de paiement: Port payé
  • Données: 5 Go
  • Réseau: Orange
  • Contracter: Aucun engagement
  • Appels et SMS: Compris
  • Itinérance dans l'UE: Compris
  • الجيل الخامس: Oui

Rouge écarlate 8 Scarlet

€8 /mois

  • Plan de paiement: Port payé
  • Données: 5 Go
  • Réseau: Proximus
  • Contracter: Aucun engagement
  • Appels et SMS: Compris
  • Itinérance dans l'UE: Compris
  • الجيل الخامس: Oui

M-Budget Mobile 20 Go BE M-Budget Mobile BE

€8 /mois

  • Plan de paiement: Port payé
  • Données: 20 Go
  • Réseau: Orange
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris

Tele2 Mobile XL BE Tele2 Belgium

€10 /mois

  • Plan de paiement: Port payé
  • Données: 40 Go
  • Réseau: Proximus
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris

Watch TV how you like it BASE

€11 /month

  • Réseau: Telenet (MVNO)
  • Fournisseur: Base

The promo you need BASE

€11.70 /month

  • Réseau: Telenet (MVNO)
  • Fournisseur: Base

Une promo juste à Mons BASE

€11.70 /month

  • Réseau: Telenet (MVNO)
  • Fournisseur: Base

BASE B-15 BASE

€12 /mois

  • Plan de paiement: Port payé
  • Données: 15 Go
  • Réseau: Orange (BASE)
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris
  • الجيل الخامس: Oui

Orange Mobile Petit Orange

€15 /mois

  • Plan de paiement: Port payé
  • Données: 12 Go
  • Réseau: Orange
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris

Vikings mobiles Viking 15 Mobile Vikings

€15 /mois

  • Plan de paiement: Port payé
  • Données: 30 Go
  • Réseau: Orange
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris

Plan de base BASE

€15 /mois

Forfait de base de BASE (cartes SIM mobiles) chez Mobile. Offre mise à jour quotidiennement par Giraffy.

  • Réseau: Telenet (MVNO)
  • Fournisseur: Base

Proximus Mobile Smart Proximus

€15.99 /mois

  • Plan de paiement: Port payé
  • Données: 60 Go
  • Réseau: Proximus 5G
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris
  • الجيل الخامس: Oui

Proximus Mobile Maxi Proximus

€21.99 /mois

  • Plan de paiement: Port payé
  • Données: 120 Go
  • Réseau: Proximus 5G
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris
  • الجيل الخامس: Oui

The season has started Proximus

€24.99 /month

  • Réseau: Proximus
  • Fournisseur: Proximus

Vikings mobiles Viking illimité Mobile Vikings

€25 /mois

  • Plan de paiement: Port payé
  • Données: 300 Go
  • Réseau: Orange
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris

Galaxy S25 BASE

€25 /mois

Galaxy S25 chez BASE (cartes SIM mobiles). Offre mise à jour quotidiennement par Giraffy.

  • Réseau: Telenet (MVNO)
  • Fournisseur: Base

Galaxy S26 BASE

€26 /mois

Galaxy S26 chez BASE (cartes SIM mobiles). Offre mise à jour quotidiennement par Giraffy.

  • Réseau: Telenet (MVNO)
  • Fournisseur: Base

Forfait mobile BASE BASE

€29 /mois

Votre forfait mobile avantageux : en plus de votre réduction à vie, profitez d’un mois gratuit chez BASE Mobile. Offre mise à jour quotidiennement par Giraffy.

  • Données: Illimité
  • Réseau: Telenet (MVNO)
  • Fournisseur: Base

BASE B-39 BASE

€31.20 /mois

  • Plan de paiement: Port payé
  • Données: 300 Go
  • Réseau: Orange (BASE)
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris

Proximus Mobile Illimité Proximus

€34.99 /mois

  • Plan de paiement: Port payé
  • Données: 300 Go (5G 1 Gbit/s)
  • Réseau: Proximus 5G
  • Contracter: Aucun engagement
  • Appels et SMS: Illimité
  • Itinérance dans l'UE: Compris
  • الجيل الخامس: Oui

Proximus Plan Proximus

€44 /month

  • Données: Unlimited
  • Réseau: Proximus
  • Fournisseur: Proximus

Also available with mobile and TV Proximus

€44 /month

  • Données: Unlimited
  • Réseau: Proximus
  • Fournisseur: Proximus

iPhone 17 Proximus

€49 /month

  • Réseau: Proximus
  • Fournisseur: Proximus

Pixel 10 Pro Proximus

€99 /mois

Pixel 10 Pro de Proximus (cartes SIM mobiles). Offre mise à jour quotidiennement par Giraffy.

  • Réseau: Proximus
  • Fournisseur: Proximus

Google Pixel 10a 128 Go Proximus

€100 /mois

Google Pixel 10a 128 Go chez Proximus (cartes SIM mobiles). Offre mise à jour quotidiennement par Giraffy.

  • Données: 128 Go
  • Réseau: Proximus
  • Fournisseur: Proximus

Google Pixel 10128 Go Proximus

€100 /mois

Google Pixel 10 128 Go chez Proximus (cartes SIM mobiles). Offre mise à jour quotidiennement par Giraffy.

  • Données: 128 Go
  • Réseau: Proximus
  • Fournisseur: Proximus

Preorder Proximus

€199 /month

  • Réseau: Proximus
  • Fournisseur: Proximus

Google Pixel 11 128 GB Proximus

€200 /month

  • Données: 128 GB
  • Réseau: Proximus
  • Fournisseur: Proximus

Galaxy A17 BASE

€249 /mois

Galaxy A17 de BASE (cartes SIM mobiles). Offre mise à jour quotidiennement par Giraffy.

  • Réseau: Telenet (MVNO)
  • Fournisseur: Base

Combinez votre forfait mensuel avec un smartphone BASE

€269 /mois

Combinez votre forfait mensuel avec un smartphone BASE (cartes SIM mobiles) chez Mobile. Offre mise à jour quotidiennement par Giraffy.

  • Réseau: Telenet (MVNO)
  • Fournisseur: Base

Samsung Galaxy A37 128 GB Proximus

€379.99 /month

  • Données: 128 GB
  • Réseau: Proximus
  • Fournisseur: Proximus

What is Mobile SIMs in Belgium?

A mobile SIM in Belgium gives you calls, texts and mobile data on one of the country's networks, either on a rolling monthly plan or a prepaid card. Plans are advertised in both French and Dutch, and the same offer applies whichever language you choose. Physical SIMs are still standard, though eSIM support is spreading across providers.

Monthly prices run from about €3 for a light prepaid bundle up to around €269 for premium plans with generous or unlimited data. Most people land in the middle, choosing a plan sized to their monthly data use rather than paying for allowances they never reach.

How the Belgian market works

Belgium has three mobile network operators (MNOs) that own infrastructure: Proximus, Orange and BASE (part of Telenet). Everyone else is a mobile virtual network operator (MVNO) that rents capacity from one of these three. Mobile Vikings, hey!, UNDO and Yoin are all MVNOs, each targeting different niches on price or brand.

The most disruptive recent arrival is DIGI, which entered as the country's fourth operator and pushed prices down sharply with aggressive data bundles. Number portability is straightforward: you keep your number when you switch, and the process is designed to complete quickly so you are rarely without service.

Benefits

Easy switching — Belgian number portability lets you move to BASE, Orange or an MVNO like Mobile Vikings while keeping your existing number.

Real competition — DIGI's arrival as a fourth player has driven larger data allowances and lower monthly prices across the market.

MVNO choice — Brands such as hey!, UNDO and Yoin ride the main networks but package data more cheaply or flexibly.

No lock-in — Most SIM-only plans are month-to-month, so you can leave or resize your plan without a long contract.

How to choose

Begin with how much data you actually use each month, then match a plan to that rather than the biggest allowance advertised. If you mostly use wifi at home and work, a small prepaid bundle from €3 may be plenty; heavy streamers should look at larger or unlimited plans.

Check which underlying network a provider uses, since coverage in your area matters more than brand. Look at whether calls and texts are unlimited, whether EU roaming is included, and if the plan is SIM-only or tied to a handset. Confirm eSIM availability if you want to activate instantly without a posted card.

Leading providers in Belgium

Proximus, Orange and BASE are the three network owners and offer the widest coverage and premium plans. DIGI is the value-led newcomer that reshaped pricing, while Mobile Vikings is a long-established MVNO popular for its data-generous packs and community brand.

hey! (Telenet's digital brand), UNDO and Yoin round out the challenger space, competing on simple app-based plans and keen monthly prices. Because the MVNOs run on the big three networks, you can often get near-identical coverage for less.

What it costs

Entry-level prepaid and small SIM-only plans start around €3 per month. Mid-range plans with a solid data allowance and unlimited national calls typically sit in the low-to-mid tens of euros. At the top, premium and unlimited-data plans reach up to around €269 per month.

Prepaid avoids any contract and lets you top up as needed, while monthly SIM-only plans usually offer more data per euro. Watch for introductory discounts that step up after a promotional period.

Protections and regulation

The telecoms regulator BIPT oversees the Belgian mobile market, managing spectrum, safeguarding number portability and enforcing consumer rules on transparency. Providers must let you keep your number when switching and give clear information on prices and contract terms.

EU "roam like at home" rules apply, so plans generally include roaming across the EU at domestic rates within fair-use limits. If a provider fails to meet its obligations, BIPT and the telecoms ombudsman handle complaints.

Common questions

Can I keep my number? Yes. Number portability is a legal right in Belgium, and switching to another provider keeps your existing mobile number.

Is DIGI cheaper than the big three? DIGI entered as a fourth operator with aggressive pricing, which has generally pushed data allowances up and prices down across the market.

Prepaid or monthly? Prepaid suits light or occasional users with no commitment; monthly SIM-only plans usually give more data per euro for regular users.

The cheapest Mobile SIM Plans in Belgium is €3 /month from Telenet Mobile.

Mobile SIM Plans in Belgium — FAQ

What is the cheapest SIM-only deal in Belgium right now?

Giraffy tracks 5 live SIM plans across Telenet Mobile,DIGI,UNDO,Lycamobile Belgium networks in Belgium. The lowest tracked price is €3 /month. Sort by lowest price to see the cheapest options for your data needs.

Which network has the best coverage in Belgium?

Coverage quality varies by area and carrier. Check each network's official coverage map before switching — indoor coverage, rural reach, and 5G availability differ significantly between operators in Belgium.

What is eSIM and do I need a physical SIM card?

An eSIM is a digital SIM embedded in your device — you activate a plan without swapping a physical card. Most flagship and mid-range phones released after 2020 support eSIM. Check your device settings or ask the carrier to confirm compatibility before you switch.

Is 5G worth it on a SIM-only plan?

5G delivers significantly faster download speeds and lower latency than 4G — typically 100–500 Mbps versus 20–50 Mbps. It's worth it if your handset is 5G-capable and you're in a coverage area. Most 5G plans are now priced similarly to 4G equivalents.

Can I keep my phone number when switching networks?

Yes. In most markets you can port your number to a new network within one working day by requesting a PAC or porting code from your current provider. The switch happens automatically once you activate the new SIM.

What is the difference between prepaid and pay-monthly SIM plans?

Prepaid (pay-as-you-go) plans require no contract — you top up credit and use what you pay for. Pay-monthly plans bill you at the end of each month and typically offer more data for the same price, but require a credit check and a rolling or fixed-term commitment.

Do I need to unlock my phone before switching networks?

If your handset was purchased directly from a carrier, it may be network-locked and need unlocking before accepting a different SIM. Phones bought from manufacturers or retailers are usually unlocked. Contact your current carrier to check — unlocking is often free or available for a small fee.