What is a dead zone (zone blanche) in French mobile telephony?

A dead zone is a geographic area where no operator provides standard-quality mobile service for voice or data. ARCEP estimates these zones affect around 1% of the French population, mostly in mountainous and remote rural areas. The 2018 New Deal Mobile program, signed between the state and operators, aims to eliminate them through the Targeted Coverage Scheme (Dispositif de Couverture Ciblée) with shared antennas.

What is the practical difference between 4G and 5G in France?

5G delivers higher download speeds in congested cells and lower latency. For everyday browsing, HD streaming and video calls, good 4G is usually enough. 5G stands out in busy locations like stadiums, train stations and shopping centres, and for emerging uses such as cloud gaming and IoT. Exact figures vary by cell and frequency band.

Has the New Deal Mobile program actually reduced dead zones?

Yes — ARCEP's annual New Deal reports show that several thousand new sites have entered service since 2018 under the Targeted Coverage Scheme. Communes flagged as priority receive a shared antenna built jointly by the four operators, which has materially reduced uncovered areas. Obligations run through 2027 and beyond on quality of service.

Which frequency bands are used for 5G in France?

ARCEP has allocated three main 5G bands: 700 MHz for broad coverage and indoor penetration, 3.4-3.8 GHz as the core 5G band for high urban capacity, and 26 GHz (mmWave) still in pilot phase. Operators combine these bands via Dynamic Spectrum Sharing (DSS) and carrier aggregation to balance range and speed.

Do MVNOs offer the same coverage as their host operator?

Yes for 2G/3G/4G — an MVNO on Orange's network gets Orange's exact footprint. Nuances apply to 5G (not all MVNOs have activated it) and to priority during cell congestion, where the host operator's customers may be served first under wholesale agreements. Always check which host network the MVNO uses in its terms of service.

What is DAS (SAR) and should expats in France worry about it?

DAS (Débit d'Absorption Spécifique — equivalent to SAR, Specific Absorption Rate) measures the radio energy absorbed by the body. EU Recommendation 1999/519/EC sets a regulatory limit of 2 W/kg for head and trunk. All smartphones sold in France are tested by ANFR (Agence Nationale des Fréquences), and individual values are published on openradio.anfr.fr. Use a headset or speakerphone, especially when signal is weak.

Mobile Network Coverage France 2026: ARCEP 4G/5G

Q: Which operator has the best network coverage in France in 2026?

According to ARCEP 2024-2025 data, Orange has the widest 4G coverage (around 99.5% of the population and around 98% of metropolitan territory), followed by SFR and Bouygues Telecom. Free Mobile reaches roughly 98% of the population but remains slightly behind on territorial coverage (around 92%) because its rural rollout started later. Actual ranking depends on your exact address — always check monreseaumobile.arcep.fr.

Q: How can I check mobile coverage at my exact address in France?

Use the official ARCEP tool at monreseaumobile.arcep.fr. Enter your full address, then compare 2G, 4G and 5G coverage for all four operators in outdoor, in-vehicle and indoor scenarios. The data comes from operator declarations cross-checked by ARCEP measurement campaigns across thousands of French communes.

Q: Is 5G available everywhere in France?

No. According to ARCEP reports, commercial 5G launched in late 2020 covers a majority of the population in dense and medium-density areas, but coverage is partial in rural communes. Operators deploy mainly in the 3.4-3.8 GHz core 5G band and the 700 MHz long-range band. The 26 GHz mmWave band remains limited to pilot use cases (stadiums, ports, large events).

Q: Has Free Mobile caught up with the other operators in rural areas?

Free Mobile has densified its network significantly since the New Deal, with reduced residual roaming on Orange's 3G/4G in some areas. Its population coverage is above 98%, but territorial coverage remains slightly below Orange and SFR. Always check your exact address on monreseaumobile.arcep.fr before subscribing in a sparsely populated area.

Q: How can I improve mobile reception at home in France?

Three common solutions: enable Wi-Fi Calling (VoWiFi) if your operator supports it, which routes calls via your home broadband; ask your operator for a femtocell or dedicated 4G/5G box if you are in a recognised low-coverage zone; place your phone near a window facing the nearest antenna. Note: commercial GSM repeaters not approved by ANFR are illegal under French telecom law.

1. What "mobile coverage" really means in France

Mobile coverage is the ability of an operator to deliver a usable signal in a given area, either for voice or data. It is measured two complementary ways:

Population coverage — the share of inhabitants living in an area where the operator provides service. This is the headline figure operators usually advertise.
Territorial coverage — the share of geographic territory covered. More demanding, since metropolitan France has many sparsely populated zones (mountains, forests, farmland).

ARCEP, the independent French telecoms regulator, publishes a quarterly market observatory and an annual "Mon Réseau Mobile" report with detailed maps and field measurements. Operators declare their antenna sites; ARCEP cross-checks via measurement campaigns in thousands of communes.

Coverage also varies by usage context: outdoor (street, road), in a vehicle (car, train) and indoor. Indoor reception is usually the weakest because walls, treated glazing and steel structures attenuate the signal — especially at higher frequencies like 3.5 GHz.

2. The four mobile network operators (MNOs)

France has exactly four mobile network operators (MNOs) holding ARCEP licences and owning antenna infrastructure. Every other brand on the market is either a sub-brand riding the same network (Sosh on Orange, RED on SFR, B&You on Bouygues) or an MVNO (Mobile Virtual Network Operator) leasing wholesale access from one of the four.

Orange

Historic incumbent (formerly France Télécom). Densest network in rural areas and along motorways. First holder of 5G 3.5 GHz licences and consistently strong average download speeds in ARCEP measurements.

• Sub-brand: Sosh
• Hosts several MVNOs (Coriolis, some Prixtel plans)

SFR

Part of the Altice group. Very good urban coverage and strong 4G/5G speeds in dense areas. Territorial coverage slightly behind Orange but steadily improving.

• Sub-brand: RED by SFR
• Hosts MVNOs such as Auchan Telecom and NRJ Mobile

Bouygues Telecom

Part of the Bouygues conglomerate. Reliable coverage on major road axes and tourist regions. Frequently ranked highly for customer service in independent surveys.

• Sub-brand: B&You
• Hosts MVNOs including Crédit Mutuel Mobile

Free Mobile

Part of the Iliad group. Disruptive entrant since 2012 with aggressive pricing. Network densified rapidly; still complemented by residual Orange 3G/4G roaming in some areas (gradually phasing out under ARCEP framework).

• Sub-brand: Free Mobile only
• No significant third-party MVNO hosting

For the full ecosystem of low-cost brands and MVNOs riding these four networks, see our dedicated guide to virtual mobile operators (MVNOs) in France.

3. Official ARCEP data: population vs territory

ARCEP publishes two complementary metrics: population coverage and territorial coverage. Differences between operators are far more visible on territorial coverage, because covering the last few percent of rural land requires expensive infrastructure for relatively few users.

Indicator (ARCEP 2024-2025)	Orange	SFR	Bouygues	Free
4G — population coverage	~99.5%	~99%	~98.5%	~98%
4G — territorial coverage	~98%	~96%	~95%	~92%
5G — population (all bands)	majority in dense areas	majority in dense areas	expanding	broad 700 MHz footprint
5G 3.5 GHz (core capacity)	high urban density	high urban density	densifying	complementing 700 MHz
Residual roaming	—	—	—	Orange (3G/4G residual, ARCEP-supervised)

Sources: ARCEP mobile market observatory 2024-2025, "Mon Réseau Mobile" annual reports, ARCEP 5G dossier. Figures are rounded from public data on arcep.fr and monreseaumobile.arcep.fr. Quarterly values are published directly on the ARCEP website.

These orders of magnitude are stable: since 2023 all four operators have stood above 97% 4G population coverage. The remaining differences play out on quality (perceived average speed, indoor connection success rate) and on 5G in the 3.5 GHz band.

4. 5G deployment in 2026: bands and operators

Commercial 5G launched in France in late 2020 after ARCEP allocated the 3.4-3.8 GHz frequencies. Three bands coexist today:

700 MHz

Low band — long range, good indoor penetration. Modest speeds but wide footprint. Used by every operator.

3.4-3.8 GHz

Core 5G band — high download speeds (often several hundred Mb/s). Shorter range, deployed first in dense urban areas.

26 GHz (mmWave)

Very high speeds, very short range (a few hundred metres). Restricted to pilot use cases: stadiums, ports, major events.

According to ARCEP, the number of active 5G sites has continued to grow through 2024 and 2025. Operators often stack multiple bands on the same cell to combine range and capacity (DSS — Dynamic Spectrum Sharing 4G/5G, plus carrier aggregation).

In practice: 5G in the 3.5 GHz band is markedly faster than classic 4G in dense zones, while 5G on the 700 MHz band is closer to 4G+ in throughput. So the "5G" or "5G+" icon shown on your phone alone is not a reliable speed indicator — the actual band in use matters far more.

For a deeper look at 5G plans, real-world speeds and operator pricing, see our guide 5G in France: coverage and plans.

5. How to check coverage at your address

Before subscribing, always check your exact address — coverage can shift noticeably between two streets in the same town, particularly indoors. Reference tools:

monreseaumobile.arcep.fr (official ARCEP tool)

Independent and free. Compares outdoor, in-vehicle and indoor coverage for all four operators in 2G, 4G and 5G. Data fed by operators and cross-checked with ARCEP field measurements.

Visit the official site →

Cartoradio.fr (ANFR)

From the French frequency authority. Pinpoints every authorised antenna in France, by operator and frequency band. Useful to spot the closest antenna and choose where to position your phone at home.

View antennas →

Speed test apps

nPerf, 5G Mark and Speedtest measure real download / upload speeds and latency. Run several tests at different times of day, especially indoors and during peak evening hours.

Operator coverage maps

Each operator publishes its own map. More detailed commercially but less objective. Always cross-check against monreseaumobile.arcep.fr.

Practical tip for expats

If unsure, subscribe to a no-commitment plan (Sosh, RED, B&You, Free) and test for 14 days. Under Article L221-18 of the French Consumer Code (Code de la consommation), distance contracts come with a 14-day right of withdrawal — you can cancel without fee if coverage proves insufficient.

6. Dead zones and the New Deal Mobile program

A dead zone (zone blanche in French) is an area where no operator provides standard-quality mobile service. ARCEP estimates these zones affect around 1% of the population, mostly in remote rural and mountainous areas. "Grey zones", where only one operator is present, add to the picture.

The New Deal Mobile (2018)

Signed in January 2018 between the French state, ARCEP and the four operators, the New Deal Mobile shifted the model: instead of paying high fees to renew their licences, operators committed to accelerating rural coverage. Headline commitments include:

Targeted Coverage Scheme (Dispositif de Couverture Ciblée): up to 5,000 shared sites identified by local elected officials and built jointly by operators to cover dead zones.
Full 4G rollout on all existing mobile sites: every 2G/3G site upgraded to 4G.
Coverage of priority road axes: motorways, national roads and structuring rail lines.
VoLTE / Voice over 4G activated by all operators to free up 2G/3G and prepare their gradual sunset.
Indoor building coverage integrated as a public indicator in ARCEP maps.

Mid-program review

ARCEP publishes an annual New Deal review: several thousand Targeted Coverage Scheme sites have entered service since 2019, and the number of communes flagged as dead zones has dropped substantially. Obligations run through 2027 and beyond on quality-of-service requirements.

7. MVNOs and host network coverage

An MVNO (Mobile Virtual Network Operator) owns no antennas: it leases wholesale access from an MNO host. On the ground your SIM card connects to the same antennas as the host MNO, with the same 4G footprint. The nuances:

5G: not every MVNO has activated 5G. Some low-cost brands deliberately stay on 4G+ to keep prices low.
Priority during congestion: at busy locations (train stations, stadiums, large events), host MNO customers may be served before MVNO customers under wholesale agreements.
International roaming: the list of included countries and EU roaming data caps depends on the MVNO contract, not the host network.

Before subscribing to an MVNO, check which of the four networks it uses (usually disclosed in the terms or product sheet), then verify that network on monreseaumobile.arcep.fr. See our MVNO guide and how to choose a mobile plan.

8. SAR / DAS limits and health regulation

DAS (Débit d'Absorption Spécifique) is the French label for what the rest of Europe and the US call SAR (Specific Absorption Rate). It measures the radio energy absorbed by the human body when using a phone, expressed in watts per kilogram (W/kg). EU Recommendation 1999/519/EC, transposed into French law, sets the following regulatory limits:

DAS / SAR type	Limit (W/kg)	Usage condition
Head DAS	2.0	Phone held to the ear
Trunk DAS	2.0	Phone close to the torso
Limbs DAS	4.0	Phone held in the hand, in a pocket, etc.

Sources: Council of Europe Recommendation 1999/519/EC; enforcement in France by ANFR (Agence Nationale des Fréquences). Individual DAS values for each smartphone are published on openradio.anfr.fr.

Every phone sold in France complies with these limits, verified by ANFR control campaigns. Manufacturers must display DAS in product documentation and at point of sale.

Recommended best practices

Use a headset or speakerphone for long calls.
Avoid heavy use when signal is weak — the phone boosts transmission power to compensate.
Prefer a text message to a call when reception is poor.
Check the DAS value of any model you consider on openradio.anfr.fr before buying.

9. Improving reception at home — and what is illegal

Legal and effective solutions

Wi-Fi Calling (VoWiFi)

Routes calls and texts via your home broadband. Activate from phone settings if the operator supports it. Especially useful when 4G is weak but home Wi-Fi is solid — common in old stone buildings in rural France.

Operator femtocell or 4G/5G box

A small antenna some operators offer (sometimes free) to customers in recognised low-coverage zones. Plugs into your home internet and creates a local mobile bubble.

Phone placement

Near a window facing the closest antenna (locate it on cartoradio.fr), on an upper floor when possible. Modern thermal glazing and aluminised insulation block signals significantly.

Switching operator

If another MNO covers your address better per ARCEP data, you can switch in a few days while keeping your number — see our guides on mobile number portability and cancelling a mobile plan in France.

What is illegal: non-approved GSM repeaters

Consumer GSM signal amplifiers bought online, without ANFR approval and without operator validation, are illegal in France. The French Postal and Electronic Communications Code (Code des postes et des communications électroniques) prohibits them because they can jam the network for entire neighbourhoods. ANFR regularly inspects and dismantles such devices.

Only repeaters supplied or validated by the operator (sometimes called femtocells, microcells or dedicated 4G boxes) are authorised.

10. Practical tips for expats and visitors

If you have just moved to France or you are spending an extended period in the country, a few specifics are worth knowing:

SIM card or eSIM at the airport: most major airports have Orange / SFR / Bouygues kiosks. Bring your passport (proof of identity is required by French anti-fraud law). eSIM activation is the fastest path for compatible iPhones and Android devices.
French address required for postpaid plans: operators ask for a proof of address (justificatif de domicile). Prepaid plans (forfait sans engagement) are easier short-term: you only need ID.
Bank account often required for direct debit: prepaid top-ups (recharges) sidestep this. Useful in the first months while opening a French bank account.
EU roaming included: French plans follow the EU Roam-Like-At-Home rules — calls and data work across the EU without extra charge, within a fair-use cap.
Wi-Fi Calling at home is your friend: even Orange does not cover every old village stone wall. A good fibre connection plus Wi-Fi Calling beats any GSM repeater (and is legal).
Address-by-address check is mandatory: do not rely on the operator that worked in Paris if you move to the Cévennes — French regional coverage gaps are real. Always confirm on monreseaumobile.arcep.fr.

Pairing mobile with a solid home internet is often the best move. Check your fibre eligibility to enable VoWiFi reliably at home.

11. Reporting a problem to ARCEP and the mediator

If you experience a lasting coverage or service-quality issue, two official channels exist:

J'alerte l'ARCEP (jalerte.arcep.fr): official platform to report outages, poor service or uncovered areas. Reports feed into public quality indicators and can support New Deal Mobile obligations.
Médiateur des communications électroniques (mediateur-telecom.fr): for unresolved individual disputes with an operator (billing, quality, cancellation), after a written complaint to customer service has been unanswered for at least one month.
Service-Public.fr: official guidance on telecom consumer rights (service-public.fr), particularly the "Téléphonie et internet" section. Many pages have an English summary.

In recognised dead zones, local elected officials can submit the case to the préfet for inclusion in the New Deal Mobile Targeted Coverage Scheme.

12. Frequently asked questions

Which operator has the best network coverage in France in 2026?

Per ARCEP 2024-2025, Orange leads with around 99.5% population and 98% territorial 4G coverage. SFR and Bouygues follow closely; Free Mobile reaches around 98% population and around 92% territory. Real ranking depends on your exact address — check monreseaumobile.arcep.fr.

How can I check mobile coverage at my exact address in France?

Open monreseaumobile.arcep.fr, enter your full address, then compare outdoor / vehicle / indoor coverage for each operator in 2G, 4G and 5G. Cross-check antenna positions on cartoradio.fr.

What is a dead zone (zone blanche)?

An area with no standard mobile service. ARCEP estimates around 1% of the French population is concerned, mostly in remote rural and mountain zones. The 2018 New Deal Mobile and its Targeted Coverage Scheme fund shared antennas to fix this.

Is 5G available everywhere in France?

No. Commercial 5G has been live since late 2020 and covers a majority of the population in dense and medium-density areas. Rural rollout is partial. Operators combine 700 MHz (range) and 3.4-3.8 GHz (capacity); 26 GHz mmWave is still pilot only.

What is the practical difference between 4G and 5G?

5G delivers higher download speeds in dense cells and lower latency. For everyday browsing, HD streaming and video calls, good 4G usually suffices. 5G stands out in busy locations and for emerging use cases.

Has the New Deal Mobile actually reduced dead zones?

Yes — ARCEP reports several thousand new Targeted Coverage Scheme sites in service since 2018, with dead-zone communes down substantially. Obligations run through 2027 and beyond on quality of service.

Which frequency bands does French 5G use?

Three main bands: 700 MHz (broad coverage), 3.4-3.8 GHz (urban capacity) and 26 GHz (mmWave, pilot phase). DSS and carrier aggregation combine bands for better range / capacity trade-offs.

Has Free Mobile caught up with the other operators in rural areas?

Free Mobile has densified strongly under the New Deal, with reduced residual Orange roaming. Population coverage above 98%, territorial coverage slightly below Orange and SFR. Always verify your address.

How can I improve mobile reception at home in France?

Activate Wi-Fi Calling, request an operator femtocell or 4G/5G box if eligible, place the phone near a window facing the nearest antenna. Non-approved GSM repeaters are illegal under French telecom law.

Do MVNOs offer the same coverage as the host operator?

Yes for 2G/3G/4G — your SIM connects to the same antennas. Nuances are 5G activation (not all MVNOs) and priority during congestion. Always check the host network in the MVNO terms.

What is DAS / SAR and should expats worry about it?

DAS / SAR measures radio energy absorbed by the body. EU limit (1999/519/EC) is 2 W/kg for head and trunk. All phones sold in France are tested by ANFR (openradio.anfr.fr). Use a headset or speakerphone, especially in low-signal areas.

How do I report a coverage problem to ARCEP as an expat?

Use the J'alerte l'ARCEP platform (jalerte.arcep.fr). For unresolved individual disputes, contact the official communications mediator at mediateur-telecom.fr after a written complaint to your operator went unanswered for one month.

Official sources

ARCEP — Observatories and public data
ARCEP — monreseaumobile.arcep.fr (official coverage comparison tool)
ARCEP — The New Deal Mobile
ARCEP — J'alerte l'ARCEP
ANFR — Cartoradio (antenna locations)
ANFR — Smartphone DAS / SAR observatory
Service-Public — Téléphonie et internet (consumer rights)