Cell towers in Montreuil (Seine-Saint-Denis)

3 supports are declared underground, in a gallery or a tunnel. For questions about exposure, see the exposure guide.

Declared supports include 3 underground or tunnel sites and 2 bridges or viaducts, with buildings making up most of the remainder.

Antennas are listed at 118 avenue du Président Salvador Allende, 3 - 9 rue Henri Schmitt, Metro_montreuil-Hôpital_l11, Métro Robespierre L9, 31 rue Lenain de Tillemont and Métro Mairie de Montreuil L9.

Over the past 12 months ANFR recorded 22 new systems here. ANFR has approved 2 new sites that are not live yet, plus additions on 14 existing masts. New: Free Mobile (4G and 5G, including 5G at 3.5 GHz) at 35 boulevard de Chanzy and Orange (4G and 5G, including 5G at 3.5 GHz). 45 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

Most antennas sit on rooftops (56 of 63), so heights stay modest; the tallest support is 75 m at 31 rue Lenain de Tillemont.

Systems from 1996 are still on the register. Bouygues Telecom switched on the first 5G here in November 2020; Orange followed in December 2020, Free Mobile followed in December 2020. 2013 was the busiest year, with 149 new systems, most of them 4G.

4 masts carry all four networks.

Among the 36 Seine-Saint-Denis towns with at least five masts, Montreuil ranks 3rd by mast count. With 63 masts for 111,934 residents, or 6 per 10,000, it has fewer masts per inhabitant than the median for those towns (7).

On 3.5 GHz, the fastest 5G band: Free Mobile on 24 of its 27 masts, Bouygues Telecom on 22 of its 26 masts, SFR on 18 of its 22 masts and Orange on 16 of its 20 masts.

Vincennes lies 1.8 km to the south and has only 20 masts.

At 9 km² with 111,934 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.

Figures above cover installations declared to ANFR as in service or technically operational, as of October 2026; approved projects are not counted.