ZIP route

Cell towers near 91003

Nearest tower sites to Altadena in CA, Los Angeles. Distances are measured from the ZIP centroid.

12 Nearby sites

Ranked by distance from the ZIP centroid

1 Carriers

Distinct tenant brands seen nearby

7 5G-capable sites

At least one carrier reports NR

4 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.

Pasadena, CA

ASR matched

Pasadena 19.2 ASR-1278114

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

Altadena Golf Course 2CA35018

19 ft 19.2 L01702111 0.8 miles

Altadena, CA

ASR matched

Altadena 19.5 ASR-1268885

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

2609 Lincoln Ave (CA12892-A)

18 ft 19.5 Edward 1.6 miles

Pasadena, CA

ASR matched

Pasadena 25.0 ASR-1302470

25.0 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 45 meters away.

369 W Washington Blvd

22 ft 25.0 Tom 2.0 miles
T-Mobile
5G NR

Pasadena, CA

ASR matched

Pasadena 18.6 ASR-1271618

18.6 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 43 meters away.

369 W. Washington Avenue (CA45492-A)

18 ft 18.6 L01469668 2.1 miles
T-Mobile
5G NR

Pasadena, CA

Crowdsourced only

Approximate cell site near Pasadena, CA

Crowdsourced cell site with 1 carrier presences. Approximate OpenCelliD-only site clustered from 5 cell observations across 58 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.

Approximate location near Pasadena, CA 91103

Unknown height Crowdsourced cell site Unknown / crowdsource-derived 2.1 miles
T-Mobile
5G NR

Pasadena, CA

ASR matched

Pasadena 15.2 ASR-1300834

15.2 with 1 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 153 meters away.

1240 Lincoln Ave.

15 ft 15.2 Regulatory 2.2 miles
T-Mobile
5G NR

Pasadena, CA

ASR matched

Pasadena 19.8 ASR-1269294

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

620 Lake Ave

16 ft 19.8 L01469668 2.3 miles

La Canada Flintridge, CA

Crowdsourced only

Approximate cell site near La Canada Flintridge, CA

Crowdsourced cell site with 1 carrier presences. Approximate OpenCelliD-only site clustered from 10 cell observations across 80 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.

Approximate location near La Canada Flintridge, CA 91012

Unknown height Crowdsourced cell site Unknown / crowdsource-derived 2.4 miles
T-Mobile
5G NR LTE

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 7 sites

Related routes

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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.

4 approximate nodes in this list

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