In Yvelines (78), mobile operators run 1 656 sites, including 1 656 in 4G and 1 294 in 5G — 1.3% of France's 4G sites. ARCEP data, T1 2026. Relative to population, that is 112 sites per 100,000 inhabitants.

1 656
mobile sites

ARCEP · T1 2026

915
Sites 2G

sites

1 165
Sites 3G

sites

1 656
Sites 4G

sites

1 294
Sites 5G

sites

112
Sites per 100,000 inhabitants

Density relative to INSEE municipal population (via the Géo API).

1 485 086
Population

INSEE

Données mises à jour : T1 2026 (période). Source : ARCEP — Mon réseau mobile — sites fournissant un service mobile. Licence Ouverte Etalab 2.0.

Breakdown by generation

  • 2G915 mobile sites
  • 3G1 165 mobile sites
  • 4G1 656 mobile sites
  • 5G1 294 mobile sites

Count of sites providing a mobile service, per operator — source ARCEP 'Mon réseau mobile' (a metric distinct from ANFR authorised sites).

All departments

ParisSeine-et-MarneEssonneHauts-de-SeineSeine-Saint-DenisVal-de-MarneVal-d'Oise
← Mobile coverage in France: 2G, 3G, 4G and 5G sites