County · California

Cell towers in San Bernardino, CA

1,433 towers and cell sites in San Bernardino.

Registered tower Crowdsourced site
1,433Towers and sites
852Registered with the FCC
3Carriers seen
234Sites with 5G seen

Towers with the most carriers in San Bernardino

TowerHeightOwnerCarriers seen
MonopoleRedlands, CA 70 ft T-Mobile
AT&TT-MobileVerizon
MonopoleLoma Linda, CA 60 ft Los Angeles SMSA Limited Partnership
AT&TT-MobileVerizon
MonopoleRedlands, CA 65 ft Los Angeles SMSA Limited Partnership
AT&TT-Mobile5G
PoleRedlands, CA 58 ft Los Angeles SMSA Limited Partnership
AT&TT-Mobile5G
Lattice towerRancho Cucamonga, CA 57 ft Los Angeles SMSA Limited Partnership
AT&TT-Mobile5G
PoleYucca Valley, CA 55 ft Los Angeles SMSA Limited Partnership
T-MobileVerizon5G
MonopoleRancho Cucamonga, CA 40 ft AT&T
T-MobileVerizon5G
PoleFontana, CA 39 ft Pacific Bell Mobile Services
T-MobileVerizon5G
Utility poleOntario, CA 33 ft Mobilitie, LLC
AT&TT-Mobile5G
Tower in an antenna farmSan Bernardino, CA 310 ft Salem Communications Holding Corporation, Inc
T-MobileVerizon
TowerRedlands, CA 192 ft Lazer Broadcasting Corporation
T-MobileVerizon
TowerOntario, CA 95 ft NTCH-CA, Inc.
AT&TT-Mobile
PoleLoma Linda, CA 80 ft Cox Communication PCS, LP
AT&TVerizon
PoleRedlands, CA 78 ft Crown Castle
T-MobileVerizon
PoleSan Bernardino, CA 77 ft Crown Castle
T-MobileVerizon
PoleOntario, CA 65 ft Los Angeles SMSA Limited Partnership
AT&TT-Mobile
PoleOntario, CA 61 ft Crown Castle
AT&TVerizon
PoleRedlands, CA 55 ft Crown Castle
AT&TT-Mobile
PoleRancho Cucamonga, CA 50 ft SBA Communications
AT&TVerizon
Antenna on a buildingOntario, CA 30 ft T-Mobile
T-MobileVerizon
Lattice towerOntario, CA 95 ft One Internet America, LLC
T-Mobile5G
PoleOntario, CA 91 ft Crown Castle
T-Mobile5G
PoleMontclair, CA 80 ft SBA Communications
T-Mobile5G
Lattice towerHesperia, CA 78 ft SBA Communications
T-Mobile5G
MonopoleHesperia, CA 75 ft SBA Communications
T-Mobile5G
TowerOntario, CA 72 ft SBA Communications
T-Mobile5G
PoleOntario, CA 63 ft Nextel of California, Inc
T-Mobile5G
MonopoleUpland, CA 63 ft Los Angeles SMSA Limited Partnership
T-Mobile5G
Antenna on a buildingOntario, CA 60 ft T-Mobile
T-Mobile5G
MonopoleYucca Valley, CA 54 ft T-Mobile
T-Mobile5G

Showing 30 of 1,433. Every one is on the map; zoom in to tap any of them.

Carriers in San Bernardino

Number of towers and sites in the county where each carrier has been seen.

T-Mobile 537
AT&T 257
Verizon 237

Good to know

Is the company that owns a tower my carrier?

Usually not. Most towers are owned by tower companies such as American Tower, Crown Castle and SBA Communications, which rent space on them to Verizon, AT&T, T-Mobile and others. One tower often carries two or three carriers at different heights. The FCC registration names the owner; it does not list the tenants.

How do you know which carriers are on a tower?

From phones. OpenCelliD collects reports of the cell signals phones see and where they saw them. When reported cells sit within 200 meters of a registered structure, we list those carriers on that structure. It is strong evidence, not a lease record, and it can miss a carrier nobody has reported yet.

Why isn't every cell site on the map?

The FCC only requires registration for structures taller than 200 feet or close to an airport. Rooftop antennas, small cells on street poles and many shorter towers never register. Where phones report a cell site with no registered structure nearby, we show it as an approximate crowdsourced site, which can be off by a few hundred meters.