Cell Site Map

Cell towers in Grigny

Grigny has 2,229 known cell sites. The densest carrier is Bouygues Telecom with 736.

Nearest sites

OperatorGenerationDistanceBearingSource
Bouygues TelecomNR · 3 sectors14 m69° EVerified
Bouygues TelecomUMTS · 3 sectors14 m69° EVerified
Bouygues TelecomLTE · 3 sectors14 m69° EVerified
Bouygues TelecomLTE · 3 sectors14 m69° EVerified
Bouygues TelecomLTE · 3 sectors14 m69° EVerified
Bouygues TelecomLTE · 3 sectors14 m69° EVerified
Bouygues TelecomLTE · 3 sectors14 m69° EVerified
Bouygues TelecomGSM · 3 sectors14 m69° EVerified
Bouygues TelecomGSM · 3 sectors14 m69° EVerified
Bouygues TelecomNR · 3 sectors14 m69° EVerified

Map

Bouygues TelecomFree MobileOrangeSFRVerifiedEstimated

Carrier breakdown

OperatorSitesShare
Bouygues Telecom73633.0%
Free Mobile58226.1%
Orange47521.3%
SFR43619.6%

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

Density here is about 24.6 sites per km², above the national average for this type of area (4.7/km²).

Altogether these sites report 6,498 sectors, averaging about 2.9 sectors per site.

99.6% of these sites report more than one sector, pointing to multi-directional antennas rather than omnidirectional coverage.

20.5% of known sites report 5G, above the national figure of 16.2%.

All 2,229 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 Grigny is 14 m away, run by Bouygues Telecom.

4 operators are known here. Ranked by site count: Bouygues Telecom (736, 33%), Free Mobile (582, 26.1%), Orange (475, 21.3%), SFR (436, 19.6%).

Bouygues Telecom leads with 33% of known sites, 6.9 percentage points ahead of second-placed Free Mobile.

By network generation: 63.2% 4G LTE, 20.5% 5G, 9.9% 3G UMTS, 6.4% 2G GSM.

83.7% 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 Grigny?
2,229 known cell sites are mapped in Grigny, from ANFR's verified data.
Which carrier has the most sites in Grigny?
Bouygues Telecom, with 736 sites (33% of the known total).
Is there 5G in Grigny?
20.5% of known sites in Grigny 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 product

  • SureCall

    Signal boosters sized by square footage, DIY install.

    See product

  • Cel-Fi

    Carrier-specific boosters, higher gain for a single network.

    See product

Nearby places

Data source: ANFR — Licence Ouverte 2.0. See all sources.