Cell towers in Triel-sur-Seine
Triel-sur-Seine has 687 known cell sites. The densest carrier is Bouygues Telecom with 230.
Nearest sites
| Operator | Generation | Distance | Bearing | Source |
|---|---|---|---|---|
| Free Mobile | LTE · 3 sectors | 451 m | 311° NW | Verified |
| Free Mobile | LTE · 3 sectors | 451 m | 311° NW | Verified |
| Free Mobile | LTE · 3 sectors | 451 m | 311° NW | Verified |
| Free Mobile | LTE · 3 sectors | 451 m | 311° NW | Verified |
| Free Mobile | NR · 3 sectors | 451 m | 311° NW | Verified |
| Free Mobile | LTE · 3 sectors | 451 m | 311° NW | Verified |
| Free Mobile | NR · 3 sectors | 451 m | 311° NW | Verified |
| Bouygues Telecom | LTE · 3 sectors | 487 m | 191° S | Verified |
| SFR | LTE · 3 sectors | 487 m | 191° S | Verified |
| SFR | LTE · 3 sectors | 487 m | 191° S | Verified |
Map
Carrier breakdown
| Operator | Sites | Share |
|---|---|---|
| Bouygues Telecom | 230 | 33.5% |
| SFR | 181 | 26.3% |
| Free Mobile | 159 | 23.1% |
| Orange | 117 | 17.0% |
This page lists the known cell sites in Triel-sur-Seine in Île-de-France, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.
Density here is about 10.0 sites per km², above the national average for this type of area (4.7/km²).
Altogether these sites report 1,980 sectors, averaging about 2.9 sectors per site.
99% 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.
21% of known sites report 5G, above the national figure of 16.2%.
All 687 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 Triel-sur-Seine is 451 m away, run by Free Mobile.
4 operators are known here. Ranked by site count: Bouygues Telecom (230, 33.5%), SFR (181, 26.3%), Free Mobile (159, 23.1%), Orange (117, 17%).
Bouygues Telecom leads with 33.5% of known sites, 7.1 percentage points ahead of second-placed SFR.
By network generation: 60.8% 4G LTE, 21% 5G, 10.9% 3G UMTS, 7.3% 2G GSM.
81.8% of sites here run LTE (4G) or newer technology.
ANFR's data here was last refreshed in September 2026.
Frequently asked questions
- How many cell towers are in Triel-sur-Seine?
- 687 known cell sites are mapped in Triel-sur-Seine, from ANFR's verified data.
- Which carrier has the most sites in Triel-sur-Seine?
- Bouygues Telecom, with 230 sites (33.5% of the known total).
- Is there 5G in Triel-sur-Seine?
- 21% of known sites in Triel-sur-Seine report 5G, based on the latest observations.
- Are these positions accurate?
- Largely, yes — these come from ANFR's own regulator survey, not a community estimate, though positions can still lag real-world changes until the next update. See /data-sources for the source and licence per country.
Nearest known site is close — a booster may help
A signal booster amplifies an existing signal; it can't create one from nothing. With a known site this close, one of these is worth considering.
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Carrier-specific boosters, higher gain for a single network.
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Nearby places
- Cell towers in Chanteloup-les-Vignes (1.9 km)
- Cell towers in Vernouillet (2.1 km)
- Cell towers in Medan (2.7 km)
- Cell towers in Verneuil-sur-Seine (3.2 km)
- Cell towers in Andresy (3.6 km)
- Cell towers in Carrieres-sous-Poissy (4 km)
- Cell towers in Villennes-sur-Seine (4.3 km)
- Cell towers in Jouy-le-Moutier (4.3 km)
- Cell towers in Maurecourt (4.4 km)
- Cell towers in Vaux-sur-Seine (4.7 km)
- Cell towers in Acheres (4.9 km)
- Cell towers in Chapet (5.6 km)
- Cell towers in Menucourt (5.9 km)
- Cell towers in Neuville-sur-Oise (6.1 km)
- Cell towers in Poissy (6.3 km)
- Cell towers in Courdimanche (6.4 km)
- Cell towers in Vaureal (6.4 km)
- Cell towers in Orgeval (6.7 km)
- Cell towers in Ecquevilly (6.8 km)
- Cell towers in Conflans-Sainte-Honorine (7 km)
- Cell towers in Les Mureaux (7.3 km)
- Cell towers in Morainvilliers (7.6 km)
- Cell towers in Bouafle (7.9 km)
- Cell towers in Eragny (8 km)
Data source: ANFR — Licence Ouverte 2.0. See all sources.