In Isère (38), mobile operators run 2 089 sites, including 2 088 in 4G and 1 433 in 5G — 1.6% of France's 4G sites. ARCEP data, T1 2026. Relative to population, that is 161 sites per 100,000 inhabitants.

2 089
mobile sites

ARCEP · T1 2026

1 046
Sites 2G

sites

1 544
Sites 3G

sites

2 088
Sites 4G

sites

1 433
Sites 5G

sites

161
Sites per 100,000 inhabitants

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

1 298 990
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

  • 2G1 046 mobile sites
  • 3G1 544 mobile sites
  • 4G2 088 mobile sites
  • 5G1 433 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

AinAllierArdècheCantalDrômeLoireHaute-LoirePuy-de-DômeRhôneSavoieHaute-Savoie
← Mobile coverage in France: 2G, 3G, 4G and 5G sites