Cell towers in Sully-sur-Loire (Loiret)

Masts stand at La Pillardière, La Gare, Avenue de la Gare and Route D Isdes.

The declared supports are a 16 m building, for Orange; a 35 m pylon, at La Pillardière, for Bouygues Telecom, Free Mobile, Orange and SFR; a 25 m pylon, at La Gare, for Orange; a 27 m pylon, at Avenue de la Gare, for Bouygues Telecom and SFR; a 26 m pylon, at Route D Isdes, for Free Mobile.

Systems from 1996 are still on the register. Local 5G started with Free Mobile in December 2020; Bouygues Telecom followed in January 2022, SFR followed in March 2022. 2017 was the busiest year, with 12 new systems, most of them 4G.

Over the past 12 months ANFR recorded 9 new systems here. 3 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

The highest support stands 35 m at La Pillardière (pylon). The median is 26 m, slightly below the Loiret median of 31 m.

Among the 26 Loiret towns with at least five masts, Sully-sur-Loire ranks 26th by mast count. With 5 masts for 5,124 residents, or 10 per 10,000, it has more masts per inhabitant than the median for those towns (9).

2 masts belong to Totem.

On 3.5 GHz, the fastest 5G band: Orange on all 3 masts, Bouygues Telecom on 1 of its 2 masts, Free Mobile on 1 of its 2 masts and SFR on 1 of its 2 masts. 5G is on 100% of masts here, against 88% across Loiret towns with five or more masts.

Nearby, Chateauneuf-sur-Loire (16 km to the north-west) has a water tower among its supports.

Only one mast carries all four networks.

Most of the town's 5 masts are pylons (4).

Of the 64 systems declared here, 15 are installed but not yet in commercial service (ANFR, as of October 2026).