Cell towers in Sucy-en-Brie (Val-de-Marne)

Most of the town's 24 masts are buildings (16); 1 water tower make up the rest of the mix.

Place names on the register include ZAC des Petits Carreaux, Château D'Eau - RTE de la Queue en Brie (d136), 1 rue Maurice Berteau, 2 Rue du Tir à Fusil, chemin Vert and 26 Boulevard de la Serpentine.

22 systems were switched on in the past 12 months. ANFR has approved one new site that is not live yet, plus additions on 8 existing masts. New: Free Mobile (4G and 5G, including 5G at 3.5 GHz) at 1 Rue des Champs. 13 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

16 of the 24 masts are rooftop-mounted. The tallest support is 47 m at Château D'Eau - RTE de la Queue en Brie (d136) (water tower). The median is 30 m, above the Val-de-Marne median of 25 m.

2016 was the busiest year, with 31 new systems, most of them 4G. Local 5G started with Bouygues Telecom in November 2020; Free Mobile followed in December 2020, Orange followed in October 2021. The oldest transmitter still listed here goes back to 1995.

3.5 GHz 5G is declared by Free Mobile on 6 of its 8 masts, Bouygues Telecom on 5 of its 10 masts, Orange on 5 of its 8 masts and SFR on 3 of its 7 masts.

1.3 km to the north-east, neighbouring Noiseau has only 5 masts.

Of the 24 masts in the commune, Bouygues Telecom is the only carrier on 6 masts.

At 10 km² with 27,764 residents, the commune is dense enough that most antennas sit on rooftops rather than pylons. It is part of the Métropole du Grand Paris intercommunal grouping.

Source: operator declarations to ANFR, as of October 2026. Projects that are only approved are left out of the totals.