Cell Site Map

Cell towers in 91840

91840 has 71 known cell sites. The densest carrier is Orange with 29.

Nearest sites

OperatorGenerationDistanceBearingSource
SFRLTE · 3 sectors2 km47° NEVerified
SFRLTE · 3 sectors2 km47° NEVerified
SFRGSM · 3 sectors2 km47° NEVerified
OrangeUMTS · 3 sectors2 km47° NEVerified
OrangeLTE · 3 sectors2 km47° NEVerified
Bouygues TelecomGSM · 3 sectors2 km47° NEVerified
Bouygues TelecomLTE · 3 sectors2 km47° NEVerified
Bouygues TelecomLTE · 3 sectors2 km47° NEVerified
Bouygues TelecomUMTS · 3 sectors2 km47° NEVerified
SFRUMTS · 3 sectors2 km47° NEVerified

Map

OrangeSFRBouygues TelecomFree MobileVerifiedEstimated

Carrier breakdown

OperatorSitesShare
Orange2940.8%
SFR1926.8%
Bouygues Telecom1723.9%
Free Mobile68.5%

This page lists the known cell sites in 91840 in Île-de-France, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.

Density here is about 2.5 sites per km², below the national average for this type of area (7.9/km²).

Altogether these sites report 211 sectors, averaging about 3.0 sectors per site.

98.6% 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.

18.3% of known sites report 5G, above the national figure of 16.2%.

All 71 known sites here come from a regulator-verified source (ANFR).

The most common frequency bands here are 900, 2100, 1800 MHz, out of 7 distinct bands reported in total.

The nearest known site to the centre of 91840 is 2 km away, run by SFR.

4 operators are known here. Ranked by site count: Orange (29, 40.8%), SFR (19, 26.8%), Bouygues Telecom (17, 23.9%), Free Mobile (6, 8.5%).

Orange leads with 40.8% of known sites, 14.1 percentage points ahead of second-placed SFR.

By network generation: 53.5% 4G LTE, 18.3% 5G, 16.9% 3G UMTS, 11.3% 2G GSM.

71.8% 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 91840?
71 known cell sites are mapped in 91840, from ANFR's verified data.
Which carrier has the most sites in 91840?
Orange, with 29 sites (40.8% of the known total).
Is there 5G in 91840?
18.3% of known sites in 91840 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.