Listed sites in this county
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.
Atherton, CA
Crowdsourced onlyApproximate cell site near Atherton, CA
Crowdsourced cell site with 1 carrier presences. Approximate OpenCelliD-only site clustered from 2 cell observations across 18 crowd samples within 1000 meters. Confidence: screened. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Atherton, CA 94027
Verizon
LTE
Atherton, CA
Crowdsourced onlyApproximate cell site near Atherton, CA
Crowdsourced cell site with 2 carrier presences. Approximate OpenCelliD-only site clustered from 6 cell observations across 66 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Atherton, CA 94027
T-Mobile
Verizon
5G NR
LTE
Atherton, CA
Crowdsourced onlyApproximate cell site near Atherton, CA
Crowdsourced cell site with 1 carrier presences. Approximate OpenCelliD-only site clustered from 2 cell observations across 60 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Atherton, CA 94027
Verizon
LTE
Atherton, CA
Crowdsourced onlyApproximate cell site near Atherton, CA
Crowdsourced cell site with 2 carrier presences. Approximate OpenCelliD-only site clustered from 11 cell observations across 137 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Atherton, CA 94027
T-Mobile
Verizon
LTE
Atherton, CA
ASR matchedAtherton 11.9 ASR-1332753
11.9 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 92 meters away.
San Mateo, California
Verizon
LTE
Atherton, CA
ASR matchedAtherton 15.5 ASR-1290805
15.5 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 93 meters away.
119 Atherton Ave (SF03212A)
Verizon
LTE
Atherton, CA
ASR matchedAtherton 16.2 ASR-1290806
16.2 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
140 Selby Ln (SF03229A)
Atherton, CA
ASR matchedAtherton 17.1 ASR-1290804
17.1 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
205 Austin Ave (SF03167A)
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.
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 sitesCarrier + state
T-Mobile in California
7901 tower sites with T-Mobile presence.
4202 5G-capable sitesCarrier + state
Verizon in California
4702 tower sites with Verizon presence.
2529 5G-capable sitesCarrier + state
AT&T in California
3829 tower sites with AT&T presence.
1986 5G-capable sitesWhat 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 scalePrecision
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.
175 approximate sites on this pageGo 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