Cell towers in Ormesson-sur-Marne (Val-de-Marne)

Declared supports include 1 water tower, with pylons making up most of the remainder.

Place names on the register include Av. Olivier D'Ormesson, 28 rue du Dr André Libert, Route de Provins and 85 Route de Provins.

Inventory: a 56 m water tower, for Bouygues Telecom, Free Mobile and SFR; a 17 m pylon, at Av. Olivier D'Ormesson, for Orange; a 25 m pylon, at 28 rue du Dr André Libert, for Orange; a 15 m building, at Route de Provins, for Free Mobile; a 26 m pylon, at 85 Route de Provins, for Orange.

2018 was the busiest year, with 8 new systems, most of them 4G. Bouygues Telecom switched on the first 5G here in November 2020; Free Mobile followed in December 2021, Orange followed in July 2022. The oldest transmitter still listed here goes back to 1995.

3.5 GHz 5G is declared by Orange on all 3 masts, Bouygues Telecom on its only mast, Free Mobile on 1 of its 2 masts and SFR on its only mast. 100% of the town's masts carry 5G, more than across Val-de-Marne towns with five or more masts (84%).

Of the 5 masts in the commune, Orange is the only carrier on 3 masts.

By mast count, Ormesson-sur-Marne is 44th of the 44 Val-de-Marne towns that have five or more. With 5 masts for 10,977 residents, or 5 per 10,000, it has fewer masts per inhabitant than the median for those towns (7).

Totem is the largest declared owner (3 masts).

The tallest structure is a 56 m water tower. The median height of measured supports is 25 m.

2 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

1.2 km to the south, neighbouring Noiseau has less 5G (80%).

Of the 50 systems declared here, 12 are installed but not yet in commercial service (ANFR, as of October 2026).