Cell Site Map

Cell towers in 42100

42100 has 1,284 known cell sites. The densest carrier is Bouygues Telecom with 369.

Nearest sites

OperatorGenerationDistanceBearingSource
SFRNR · 3 sectors155 m352° NVerified
Bouygues TelecomNR · 3 sectors155 m352° NVerified
Bouygues TelecomNR · 3 sectors155 m352° NVerified
Bouygues TelecomLTE · 3 sectors155 m352° NVerified
Bouygues TelecomLTE · 3 sectors155 m352° NVerified
Bouygues TelecomLTE · 3 sectors155 m352° NVerified
Bouygues TelecomLTE · 3 sectors155 m352° NVerified
Bouygues TelecomLTE · 3 sectors155 m352° NVerified
Bouygues TelecomUMTS · 3 sectors155 m352° NVerified
SFRLTE · 3 sectors155 m352° NVerified

Map

Bouygues TelecomSFROrangeFree MobileVerifiedEstimated

Carrier breakdown

OperatorSitesShare
Bouygues Telecom36928.7%
SFR33626.2%
Orange31024.1%
Free Mobile26921.0%

This page lists the known cell sites in 42100 in Auvergne-Rhône-Alpes, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.

Density here is about 45.4 sites per km², above the national average for this type of area (7.9/km²).

Altogether these sites report 3,599 sectors, averaging about 2.8 sectors per site.

96.7% 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.

21.6% of known sites report 5G, above the national figure of 16.2%.

All 1,284 known sites here come from a regulator-verified source (ANFR).

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

The nearest known site to the centre of 42100 is 155 m away, run by SFR.

4 operators are known here. Ranked by site count: Bouygues Telecom (369, 28.7%), SFR (336, 26.2%), Orange (310, 24.1%), Free Mobile (269, 21%).

Bouygues Telecom leads with 28.7% of known sites, 2.6 percentage points ahead of second-placed SFR.

By network generation: 60.4% 4G LTE, 21.6% 5G, 11.1% 3G UMTS, 6.9% 2G GSM.

82% 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 42100?
1,284 known cell sites are mapped in 42100, from ANFR's verified data.
Which carrier has the most sites in 42100?
Bouygues Telecom, with 369 sites (28.7% of the known total).
Is there 5G in 42100?
21.6% of known sites in 42100 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.