How many cell towers are in 78340?

313 known cell sites are mapped in 78340, from ANFR's verified data.

Which carrier has the most sites in 78340?

Bouygues Telecom, with 107 sites (34.2% of the known total).

Is there 5G in 78340?

20.8% of known sites in 78340 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.

Cell towers in 78340

78340 has 313 known cell sites. The densest carrier is Bouygues Telecom with 107.

Nearest sites

Operator	Generation	Distance	Bearing	Source
SFR	GSM · 3 sectors	377 m	340° N	Verified
SFR	NR · 3 sectors	377 m	340° N	Verified
SFR	NR · 3 sectors	377 m	340° N	Verified
SFR	UMTS · 3 sectors	377 m	340° N	Verified
SFR	LTE · 3 sectors	377 m	340° N	Verified
SFR	LTE · 3 sectors	377 m	340° N	Verified
SFR	LTE · 3 sectors	377 m	340° N	Verified
SFR	LTE · 3 sectors	377 m	340° N	Verified
Bouygues Telecom	LTE · 3 sectors	516 m	10° N	Verified
Bouygues Telecom	LTE · 3 sectors	516 m	10° N	Verified

Bouygues TelecomSFRFree MobileOrangeVerifiedEstimated

Carrier breakdown

Operator	Sites	Share
Bouygues Telecom	107	34.2%
SFR	82	26.2%
Free Mobile	66	21.1%
Orange	58	18.5%

This page lists the known cell sites in 78340 in Île-de-France, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.

Density here is about 11.1 sites per km², above the national average for this type of area (7.9/km²).

Altogether these sites report 927 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.

20.8% of known sites report 5G, above the national figure of 16.2%.

All 313 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 78340 is 377 m away, run by SFR.

4 operators are known here. Ranked by site count: Bouygues Telecom (107, 34.2%), SFR (82, 26.2%), Free Mobile (66, 21.1%), Orange (58, 18.5%).

Bouygues Telecom leads with 34.2% of known sites, 8.0 percentage points ahead of second-placed SFR.

By network generation: 60.1% 4G LTE, 20.8% 5G, 11.2% 3G UMTS, 8% 2G GSM.

80.8% 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 78340?: 313 known cell sites are mapped in 78340, from ANFR's verified data.
Which carrier has the most sites in 78340?: Bouygues Telecom, with 107 sites (34.2% of the known total).
Is there 5G in 78340?: 20.8% of known sites in 78340 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.