Cell towers in L'Isle-Adam

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

Density here is about 4.3 sites per km², below the national average for this type of area (4.7/km²).

Altogether these sites report 825 sectors, averaging about 2.9 sectors per site.

97.9% 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.

19.9% of known sites report 5G, above the national figure of 16.2%.

All 286 known sites here come from a regulator-verified source (ANFR).

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

The nearest known site to the centre of L'Isle-Adam is 723 m away, run by Bouygues Telecom.

4 operators are known here. Ranked by site count: Orange (98, 34.3%), Free Mobile (71, 24.8%), Bouygues Telecom (61, 21.3%), SFR (56, 19.6%).

Orange leads with 34.3% of known sites, 9.4 percentage points ahead of second-placed Free Mobile.

By network generation: 61.9% 4G LTE, 19.9% 5G, 10.1% 3G UMTS, 8% 2G GSM.

81.8% of sites here run LTE (4G) or newer technology.

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