ZIP route

Cell towers near 91761

Nearest tower sites to Ontario in CA, San Bernardino. Distances are measured from the ZIP centroid.

12 Nearby sites

Ranked by distance from the ZIP centroid

3 Carriers

Distinct tenant brands seen nearby

0 5G-capable sites

At least one carrier reports NR

1 Approximate-only nodes

Crowdsourced equipment with no ASR match

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.

Ontario, CA

ASR matched

Ontario 13.4 ASR-1063665

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

2226 S. BAKER

13 ft 13.4 L00003458 0.2 miles

Ontario, CA

Crowdsourced only

Approximate cell site near Ontario, CA

Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 17 cell observations across 201 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.

Approximate location near Ontario, CA 91761

Unknown height Crowdsourced cell site Unknown / crowdsource-derived 0.3 miles
AT&T T-Mobile Verizon
LTE

Ontario, CA

ASR matched

Ontario 22.2 ASR-1055127

22.2 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 67 meters away.

2330 S.VINEYARD AVE.

20 ft 22.2 Tom 0.3 miles
Verizon
LTE UMTS

Ontario, CA

ASR matched

Ontario 18.2 ASR-1292603

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

1818 E Philadelphia Street

18 ft 18.2 Joshua 0.4 miles

Ontario, CA

ASR matched

Ontario 18.6 ASR-1048935

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

2220 South Vineyard Avenue (IE04161)

19 ft 18.6 Mikel 0.4 miles

Ontario, CA

ASR matched

Ontario 19.8 ASR-1309373

19.8 with 2 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 112 meters away.

2450 Vineyard Ave (616146697)

20 ft 19.8 Regulatory 0.4 miles
AT&T T-Mobile
LTE

Ontario, CA

ASR matched

Ontario 10.1 ASR-1308473

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

2365-2399 S Vineyard Ave

9 ft 10.1 Tannyka 0.4 miles

Ontario, CA

ASR matched

Ontario 21.0 ASR-1250215

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

Best Western, 2359 S. Grove (IE05448)

21 ft 21.0 Tom 0.5 miles

Carrier presence near this ZIP

Counts below show how many nearby sites report each carrier, based on FCC ASR structures joined with crowdsourced OpenCelliD cells.

T-Mobile 3 sites
AT&T 2 sites
Verizon 2 sites

Related routes

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

County page

San Bernardino, CA

1431 towers, 3 carriers, 581 approximate sites.

234 5G-capable sites

State page

California

58 counties, 10 carriers, 19274 tower pages.

4303 5G-capable sites

What this page is for

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

Weak signal?

Tower distance is the first thing to check

People looking up towers near a home or office are often diagnosing weak signal. Distance to the nearest site explains most of it; terrain and building materials do the rest.

Distance drives signal strength

Precision note

Not every nearby site has an FCC structure match

Small cells and shorter poles frequently never show up in ASR. They are listed here too, labeled as crowdsourced or approximate.

1 approximate nodes in this list

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