County page

Cell towers in San Bernardino, CA

Local tower sites, carrier presence, and 5G-capable locations in San Bernardino.

1431 Tower sites

Listed sites in this county

3 Carriers

Distinct carrier brands in the county

234 5G-capable sites

NR present on at least one tower

581 Approximate nodes

Crowdsourced equipment without a matched ASR structure

Sites on this route

Ranked tower detail pages for this browse surface, using the same utility-first layout across ZIP, state, county, carrier, and 5G pages.

Adelanto, CA

ASR matched

Adelanto 15.2 ASR-1214037

15.2 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

17834 Adelanto RD

15 ft 15.2 L00050824

Adelanto, CA

ASR matched

Adelanto 16.0 ASR-1256427

16.0 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

11373 Lupin Rd

16 ft 16.0 Robert

Adelanto, CA

ASR matched

Adelanto 19.8 ASR-1248536

19.8 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

11720 Bartlett Avenue

20 ft 19.8 Regulatory

Adelanto, CA

ASR matched

Adelanto 19.8 ASR-1311191

19.8 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

APN: 0459-05-42 / US-CA-7027

18 ft 19.8 Richard

Adelanto, CA

ASR matched

Adelanto 21.6 ASR-1278113

21.6 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

IE788 Marconi Park 2CA32612

22 ft 21.6 L01702111

Adelanto, CA

ASR matched

Adelanto 22.9 ASR-1318412

22.9 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

US Highway 395 and Mojave Drive

21 ft 22.9 Jaime

Adelanto, CA

ASR matched

Adelanto 22.9 ASR-1324547

22.9 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

NW of Cactus Road HWY 395

23 ft 22.9 Jaime

Adelanto, CA

ASR matched

Adelanto 23.7 ASR-1280085

23.7 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

17235 Raccoon Avenue

23 ft 23.7 Regulatory

Carrier share inside this county

County pages are where people start deciding which carrier seems strongest near them. The shares below keep that comparison simple.

T-Mobile 538 sites
AT&T 257 sites
Verizon 237 sites

Related routes

Keep drilling down into the adjacent browse pages that give this route more context.

State page

California

58 counties, 10 carriers, 19274 tower pages.

4303 5G-capable sites

Carrier + state

AT&T in California

3829 tower sites with AT&T presence.

1986 5G-capable sites

What this page is for

Each route should justify itself as a useful lookup page, not just another filter state.

Local coverage

County pages answer local coverage questions

A county view helps when you want to understand why service feels weak on one side of town, or which carrier seems strongest near you.

Coverage at county scale

Precision

Exact and approximate sites are both shown

Some sites are exact FCC ASR matches; others come from crowdsourced cell data and stay approximate. Both are listed without blurring the difference.

581 approximate sites on this page

Go deeper

ZIP pages narrow the same data

If you care about one neighborhood, the ZIP view ranks these same sites by distance from the ZIP centroid.

ZIP-level distance ranking