Cell towers in Seyssins
Seyssins has 1,205 known cell sites. The densest carrier is Bouygues Telecom with 369.
Nearest sites
| Operator | Generation | Distance | Bearing | Source |
|---|---|---|---|---|
| Orange | NR · 3 sectors | 579 m | 42° NE | Verified |
| Bouygues Telecom | NR · 3 sectors | 579 m | 42° NE | Verified |
| Orange | LTE · 3 sectors | 579 m | 42° NE | Verified |
| Orange | LTE · 3 sectors | 579 m | 42° NE | Verified |
| Orange | LTE · 3 sectors | 579 m | 42° NE | Verified |
| Bouygues Telecom | LTE · 3 sectors | 579 m | 42° NE | Verified |
| Bouygues Telecom | UMTS · 3 sectors | 579 m | 42° NE | Verified |
| Bouygues Telecom | LTE · 3 sectors | 579 m | 42° NE | Verified |
| Bouygues Telecom | LTE · 3 sectors | 579 m | 42° NE | Verified |
| Bouygues Telecom | GSM · 3 sectors | 579 m | 42° NE | Verified |
Map
Carrier breakdown
| Operator | Sites | Share |
|---|---|---|
| Bouygues Telecom | 369 | 30.6% |
| Orange | 298 | 24.7% |
| SFR | 270 | 22.4% |
| Free Mobile | 268 | 22.2% |
This page lists the known cell sites in Seyssins in Auvergne-Rhône-Alpes, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.
Density here is about 20.8 sites per km², above the national average for this type of area (4.7/km²).
Altogether these sites report 3,509 sectors, averaging about 2.9 sectors per site.
99.8% 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.
21.4% of known sites report 5G, above the national figure of 16.2%.
All 1,205 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 Seyssins is 579 m away, run by Orange.
4 operators are known here. Ranked by site count: Bouygues Telecom (369, 30.6%), Orange (298, 24.7%), SFR (270, 22.4%), Free Mobile (268, 22.2%).
Bouygues Telecom leads with 30.6% of known sites, 5.9 percentage points ahead of second-placed Orange.
By network generation: 62.2% 4G LTE, 21.4% 5G, 10.1% 3G UMTS, 6.3% 2G GSM.
83.6% 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 Seyssins?
- 1,205 known cell sites are mapped in Seyssins, from ANFR's verified data.
- Which carrier has the most sites in Seyssins?
- Bouygues Telecom, with 369 sites (30.6% of the known total).
- Is there 5G in Seyssins?
- 21.4% of known sites in Seyssins 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.
weBoost
Home and vehicle cell signal boosters, carrier-agnostic.
See productSureCall
Signal boosters sized by square footage, DIY install.
See productCel-Fi
Carrier-specific boosters, higher gain for a single network.
See product
Nearby places
- Cell towers in Seyssinet-Pariset (1.7 km)
- Cell towers in Echirolles (2.8 km)
- Cell towers in Grenoble (2.9 km)
- Cell towers in Fontaine (3.4 km)
- Cell towers in Le Pont-de-Claix (4.4 km)
- Cell towers in Claix (4.8 km)
- Cell towers in Saint-Martin-le-Vinoux (5.1 km)
- Cell towers in Eybens (5.2 km)
- Cell towers in Poisat (5.8 km)
- Cell towers in Sassenage (5.9 km)
- Cell towers in Saint-Martin-d'Heres (6.3 km)
- Cell towers in Champagnier (6.5 km)
- Cell towers in La Tronche (6.7 km)
- Cell towers in Allieres-et-Risset (7 km)
- Cell towers in Jarrie (7.6 km)
- Cell towers in Saint-Egreve (7.9 km)
- Cell towers in Gieres (8.3 km)
- Cell towers in Herbeys (8.7 km)
- Cell towers in Brie-et-Angonnes (8.7 km)
- Cell towers in Lans-en-Vercors (8.8 km)
- Cell towers in Corenc (8.8 km)
- Cell towers in Meylan (8.9 km)
- Cell towers in Noyarey (10 km)
- Cell towers in Fontanil-Cornillon (10.2 km)
Data source: ANFR — Licence Ouverte 2.0. See all sources.