Cell towers in Grande-Synthe
Grande-Synthe has 598 known cell sites. The densest carrier is Orange with 179.
Nearest sites
| Operator | Generation | Distance | Bearing | Source |
|---|---|---|---|---|
| Free Mobile | LTE · 3 sectors | 346 m | 19° N | Verified |
| Free Mobile | LTE · 3 sectors | 346 m | 19° N | Verified |
| Free Mobile | LTE · 3 sectors | 346 m | 19° N | Verified |
| Free Mobile | LTE · 3 sectors | 346 m | 19° N | Verified |
| Free Mobile | LTE · 3 sectors | 346 m | 19° N | Verified |
| Free Mobile | NR · 3 sectors | 346 m | 19° N | Verified |
| Free Mobile | NR · 3 sectors | 346 m | 19° N | Verified |
| Bouygues Telecom | NR · 3 sectors | 421 m | 237° SW | Verified |
| Bouygues Telecom | GSM · 3 sectors | 421 m | 237° SW | Verified |
| Bouygues Telecom | NR · 3 sectors | 421 m | 237° SW | Verified |
Map
Carrier breakdown
| Operator | Sites | Share |
|---|---|---|
| Orange | 179 | 29.9% |
| SFR | 155 | 25.9% |
| Bouygues Telecom | 137 | 22.9% |
| Free Mobile | 127 | 21.2% |
This page lists the known cell sites in Grande-Synthe in Hauts-de-France, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.
Density here is about 6.8 sites per km², above the national average for this type of area (4.7/km²).
Altogether these sites report 1,791 sectors, averaging about 3.0 sectors per site.
100% 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 598 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 Grande-Synthe is 346 m away, run by Free Mobile.
4 operators are known here. Ranked by site count: Orange (179, 29.9%), SFR (155, 25.9%), Bouygues Telecom (137, 22.9%), Free Mobile (127, 21.2%).
Orange leads with 29.9% of known sites, 4.0 percentage points ahead of second-placed SFR.
By network generation: 62% 4G LTE, 21.4% 5G, 10.4% 3G UMTS, 6.2% 2G GSM.
83.4% 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 Grande-Synthe?
- 598 known cell sites are mapped in Grande-Synthe, from ANFR's verified data.
- Which carrier has the most sites in Grande-Synthe?
- Orange, with 179 sites (29.9% of the known total).
- Is there 5G in Grande-Synthe?
- 21.4% of known sites in Grande-Synthe 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 Fort-Mardyck (1.6 km)
- Cell towers in Saint-Pol-sur-Mer (3.3 km)
- Cell towers in Cappelle-la-Grande (4.5 km)
- Cell towers in Spycker (5.4 km)
- Cell towers in Armbouts-Cappel (5.7 km)
- Cell towers in Dunkirk (5.8 km)
- Cell towers in Loon-Plage (6.1 km)
- Cell towers in Coudekerque-Branche (6.6 km)
- Cell towers in Brouckerque (6.8 km)
- Cell towers in Coudekerque-Village (8.4 km)
- Cell towers in Steene (8.5 km)
- Cell towers in Bierne (9.7 km)
- Cell towers in Teteghem (10.2 km)
- Cell towers in Bourbourg (10.5 km)
- Cell towers in Bergues (10.7 km)
- Cell towers in Looberghe (11.1 km)
- Cell towers in Hoymille (11.4 km)
- Cell towers in Leffrinckoucke (11.8 km)
- Cell towers in Socx (12.5 km)
- Cell towers in Gravelines (12.5 km)
- Cell towers in Uxem (12.9 km)
- Cell towers in Grand-Fort-Philippe (13.6 km)
- Cell towers in Quaedypre (14.1 km)
- Cell towers in Warhem (14.3 km)
Data source: ANFR — Licence Ouverte 2.0. See all sources.