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.
Arroyo Grande, CA
Crowdsourced onlyApproximate cell site near Arroyo Grande, CA
Crowdsourced cell site with 2 carrier presences. Approximate OpenCelliD-only site clustered from 8 cell observations across 9 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Arroyo Grande, CA 93421
AT&T
T-Mobile
LTE
Arroyo Grande, CA
ASR matchedArroyo Grande 18.9 ASR-1239547
18.9 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 154 meters away.
200 Hillcrest
T-Mobile
LTE
Arroyo Grande, CA
ASR matchedArroyo Grande 20.8 ASR-1331941
20.8 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
959 Valley Road
Arroyo Grande, CA
ASR matchedArroyo Grande 24.3 ASR-1232305
24.3 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
HILL CREST DRIVE
Arroyo Grande, CA
ASR matchedArroyo Grande 27.4 ASR-1018683
27.4 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
2.3 MI N OF HWY 101 & LOS BERROS RD
Arroyo Grande, CA
ASR matchedArroyo Grande 28.9 ASR-1228546
28.9 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
ARROYO GRANDE WATER TANK, HILLCREST DRIVE
Arroyo Grande, CA
ASR matchedArroyo Grande 9.1 ASR-1014369
9.1 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
225 N HALCYON RD
Atascadero, CA
Crowdsourced onlyApproximate cell site near Atascadero, CA
Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 11 cell observations across 307 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Atascadero, CA 93422
AT&T
T-Mobile
Verizon
5G NR
LTE
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
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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.
94 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