department
Mobile masts in Isère: 2G/3G/4G/5G coverage
In Isère, mobile carriers operate 2,089 mast sites, all technologies combined. 4G equips 2,088 sites and 5G 1,433. Service is provided by 4 carriers present in the territory.
Sites by carrier
Free Mobile552
Bouygues Telecom525
Orange511
SFR501
| Carrier | Sites | 2G | 3G | 4G | 5G | 5G share |
|---|---|---|---|---|---|---|
| Free Mobile | 552 | 0 | 77 | 551 | 457 | 83 % |
| Bouygues Telecom | 525 | 380 | 507 | 525 | 349 | 66 % |
| Orange | 511 | 280 | 476 | 511 | 307 | 60 % |
| SFR | 501 | 386 | 484 | 501 | 320 | 64 % |
These figures count the sites declared per carrier and per network generation. They reflect the deployment of masts, not the reception quality experienced, and a single site can combine several technologies.
Source: Mon Réseau Mobile — Sites fournissant un service mobile (ARCEP). Open Licence / Etalab 2.0. Updated: 30 July 2026. · 2026_T1
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