In Côtes-d'Armor (22), mobile operators run 1 235 sites, including 1 234 in 4G and 839 in 5G — 1.0% of France's 4G sites. ARCEP data, T1 2026. Relative to population, that is 202 sites per 100,000 inhabitants.

1 235
mobile sites

ARCEP · T1 2026

588
Sites 2G

sites

922
Sites 3G

sites

1 234
Sites 4G

sites

839
Sites 5G

sites

202
Sites per 100,000 inhabitants

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

611 859
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

  • 2G588 mobile sites
  • 3G922 mobile sites
  • 4G1 234 mobile sites
  • 5G839 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

FinistèreIlle-et-VilaineMorbihan
← Mobile coverage in France: 2G, 3G, 4G and 5G sites