Cell towers in Poissy

This page lists the known cell sites in Poissy in Île-de-France, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.

Density here is about 10.5 sites per km², above the national average for this type of area (4.7/km²).

Altogether these sites report 3,272 sectors, averaging about 2.9 sectors per site.

99.5% of these sites report more than one sector, pointing to multi-directional antennas rather than omnidirectional coverage.

The largest gap between neighbouring sites is about 0 m — worth knowing if you're hunting for signal nearby.

19.4% of known sites report 5G, above the national figure of 16.2%.

All 1,133 known sites here come from a regulator-verified source (ANFR).

The most common frequency bands here are 900, 2100, 700 MHz, out of 7 distinct bands reported in total.

The nearest known site to the centre of Poissy is 195 m away, run by Free Mobile.

4 operators are known here. Ranked by site count: Bouygues Telecom (321, 28.3%), SFR (306, 27%), Free Mobile (256, 22.6%), Orange (250, 22.1%).

Bouygues Telecom leads with 28.3% of known sites, 1.3 percentage point ahead of second-placed SFR.

By network generation: 61.4% 4G LTE, 19.4% 5G, 11.6% 3G UMTS, 7.6% 2G GSM.

80.8% of sites here run LTE (4G) or newer technology.

ANFR's data here was last refreshed in September 2026.