Switch mobile provider without switching network

Switching mobile provider without switching network means keeping your masts and changing only the label: going from Orange to hey!, from Proximus to Scarlet or from Telenet to BASE. Coverage stays identical, your number follows, and the saving surveyed in September 2026 reaches 72 to 120 € a year.

Why switch brand rather than network?

Because nearly all the risk of switching provider lies in coverage, and that risk disappears when the masts stay the same.

Belgium has three consumer networks (Proximus, Orange, Telenet) plus a fourth under construction (DIGI), carrying some fifteen brands. Some of those brands are MVNOs, mobile virtual network operators that rent a network they do not own; others are budget brands of the network owners themselves. Your phone does not pick up a brand. It picks up a network, identified by a code: 206 01 for Proximus, 206 10 for Orange, 206 20 for Telenet, 206 12 for DIGI. If your living room gets good reception on 206 10 today, it will get the same reception at hey! tomorrow.

Belgian guides on switching provider list skipping a coverage check among the mistakes to avoid. They are right when you change network. When you only change label, that step becomes pointless, and the longest part of the process drops away.

How much does switching brand on the same network save?

Between 72 and 120 € a year on entry plans, at comparable allowance.

Monthly prices excluding temporary discounts. Surveyed: hey!, Orange and Scarlet on 29 September 2026, Mobile Vikings and BASE on 27 September 2026, Proximus on 21 September 2026; Telenet from the Selectra and CallMePower sheets (May and July 2026), the rate having not moved since.

The Orange gap is the most telling, because the brand you join gives more data for a third of the price. One caveat: Orange Mobile Small is quoted at 13.50 € on some comparison sites and at 15 € on the operator's page. Even with the lower figure, the gap is still 102 € a year.

Seven steps to switch mobile provider without losing service

1. Read your card's network code. In your phone's network settings, the operator shown or the 206 xx code tells you which masts you are really on.
2. List the brands on that same network and compare them on the month-thirteen price, never on the teaser price. A six- or twelve-month discount does not count.
3. Check three features on the target brand's tariff sheet: 5G, VoLTE and Wi-Fi calling, eSIM (details below).
4. Check your current contract: signature date, handset balance, whether it sits in a bundle.
5. Sign up with the new brand and tick the option to keep your number. It will ask for your SIM card number (ICCID, printed on the card or shown in your settings).
6. Cancel nothing. The new brand cancels the old contract by porting the number. Keep the old card in the phone until the switch-over text message.
7. After the switch, check that the network code has not changed, make a call over 4G, and check the first bill.

Free porting and its compensation are set by regulation and restated by the BIPT, Belgium's telecom regulator (IBPT in French). Easy Switch does not apply here: it covers fixed internet and TV, not a standalone mobile plan.

Do you need a new SIM card when staying on the same network?

Usually yes, which is counter-intuitive.

The SIM card depends on the brand's platform, not on the masts. hey! is the documented exception: its plans page, consulted on 29 September 2026, states that an Orange customer keeps the card, while a customer coming from Proximus, VOO, Telenet or BASE gets a new one. No other brand surveyed documents that exception: expect a new card or an eSIM, even when coming from a brand on the same network.

Choosing an eSIM where the brand offers one removes the postal delay. As of the 10 September 2026 survey, Proximus, Orange, BASE, Telenet, Mobile Vikings, yoin and Scarlet offer it; VOO, Mega and edpnet do not.

What do you lose by moving to the entry brand?

Never the signal. The rest depends on the label, and an entry brand can be denied features by decision of its owner. Points to check before signing:

• 5G. Scarlet stays on 4G on the Proximus network. Mobile Vikings only opens it from its 40 GB plan at 15 €. yoin sells it as a 1 € monthly option, capped at 150 Mbit/s.
• VoLTE and Wi-Fi calling. All four brands on the Proximus network enable them, as do hey!, Telenet and BASE; VOO is still completing its move to the Orange network, which began in October 2024.
• eSIM, missing at VOO and Mega.
• Customer service. hey! answers by chat and WhatsApp from 8 am to 10 pm, with no shop; Orange keeps its stores.
• The bundle discount. If your mobile line is bundled with fixed internet at Proximus, Orange or Telenet, taking the mobile out can push the internet price up. Do the maths on the whole bill.

How long does switching mobile provider take?

One working day for the porting. Half an hour without signal.

Three cases where staying costs less

Before month six. A private customer's mobile plan can be cancelled with no early termination fee after six months of contract. Before that, the brand you leave can claim the remaining monthly fees up to month six. On a 15 € plan left in month four, allow 30 €, which wipes out three months of hey! savings in one go.

With a handset still being paid off. The balance of a device obtained with the plan remains due when you leave, depreciated over 24 months at most. With 120 € of handset left and 10 € saved a month, the switch pays for itself in twelve months: it is often better to wait until the depreciation ends.

Inside a bundle. The calculation covers the whole bill, internet included, never the mobile line alone.

One last lever exists before leaving, and it is underused. Your operator must tell you once a year which tariff plan suits your usage best. That plan is always picked from its own catalogue: Orange's notice will never suggest hey!, even though both brands belong to the same group and use the same masts, which is exactly why comparing the labels on one network is something you still have to do yourself, month-thirteen price in hand and host network in mind.

We do not subscribe to any of these plans and measure nothing in the field: this page cross-checks public tariff sheets and regulation, surveyed between 21 and 30 September 2026. Plans sorted on the real price are in our 5G plan ranking. The full brand-by-network table is in which network each Belgian mobile brand uses, and the difference between an entry brand and a virtual operator in MVNO or budget brand. For a porting dispute, the Ombudsman for Telecommunications steps in free of charge.

Sources: BIPT, consumer page "Number portability"; Ombudsman for Telecommunications; hey! Telecom, mobile plans page consulted on 29 September 2026; Orange Belgium, mobile plans page consulted on 29 September 2026; Selectra, "Portabilité du numéro" (updated 30 September 2026), "Erreurs lors d'un changement d'opérateur" (5 August 2026), "Proximus vs Scarlet" (4 September 2026) and Telenet mobile sheet (23 July 2026); CallMePower, Telenet internet and mobile sheet (25 May 2026) and mobile switching guide; the site's own surveys of 21, 27 and 29 September 2026. Official brand page cited: hey! plans. No link on this page is monetised.