Tower detail

Chicago 31.4 ASR-1209169

640 N. LaSalle. 31.4 owned by James with 0 listed carrier presences.

31 ft Height

31.4

James Owner

Structure registrant or inferred host

0 Carrier count

Distinct carrier presences on this site

ASR matched Data quality

Registered structure plus carrier overlay

Structure facts

What the site currently knows about this tower, pulled from the public source stack behind the route graph.

Registration ASR-1209169
Location Chicago, IL 60654
Lighting Unknown
Status Status A
Coordinates 41.89358, -87.63369
Notes Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.

Carrier presence

The carrier and technology hints that make this more useful than a raw tower-owner listing.

Nearby pages

Other tower detail pages within a short drive of this site.

Chicago, IL

ASR matched

Chicago 31.4 ASR-1209171

31.4 with 3 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 178 meters away.

640 N. LaSalle

31 ft 31.4 L00130191
AT&T T-Mobile Verizon
5G NR LTE

Chicago, IL

Crowdsourced only

Approximate cell site near Chicago, IL

Crowdsourced cell site with 3 carrier presences. Approximate OpenCelliD-only site clustered from 36 cell observations across 447 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.

Approximate location near Chicago, IL 60654

Unknown height Crowdsourced cell site Unknown / crowdsource-derived 0.2 miles
AT&T T-Mobile Verizon
5G NR LTE

Chicago, IL

ASR matched

Chicago 45.8 ASR-1209167

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

440 N. Wells

46 ft 45.8 James 0.2 miles

Chicago, IL

ASR matched

Chicago 45.8 ASR-1209172

45.8 with 2 carrier presences. Joined to nearby OpenCelliD cells within 200 meters of the FCC structure. Closest matched cell was 118 meters away.

440 N. Wells

46 ft 45.8 L00130191 0.2 miles
T-Mobile Verizon
5G NR LTE

Why this detail page matters

The product logic behind showing a standalone tower page instead of burying the record in a generic list.

  • Exact ASR structures and crowdsourced-only nodes are both listed, with the difference labeled rather than hidden.
  • Tower owner is often a neutral host like Crown Castle or American Tower, not the wireless carrier itself.
  • Coverage ranges here are rough carrier-level estimates derived from reported cell radii. Treat them as indicative, not exact.