Crowdsourced cell site
Structure facts
What the site currently knows about this tower, pulled from the public source stack behind the route graph.
Carrier presence
The carrier and technology hints that make this more useful than a raw tower-owner listing.
T-Mobile
Approx. 3.9 milesApproximate site confidence built from 29 cell observations across 98 crowd samples.
Nearby pages
Other tower detail pages within a short drive of this site.
Chicago, IL
Crowdsourced onlyApproximate cell site near Chicago, IL
Crowdsourced cell site with 2 carrier presences. Approximate OpenCelliD-only site clustered from 63 cell observations across 509 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Chicago, IL 60605
Chicago, IL
ASR matchedChicago 54.6 ASR-1009137
54.6 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
1450 S MICHIGAN AVE
Chicago, IL
Crowdsourced onlyApproximate cell site near Chicago, IL
Crowdsourced cell site with 2 carrier presences. Approximate OpenCelliD-only site clustered from 9 cell observations across 152 crowd samples within 1000 meters. Confidence: high. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Chicago, IL 60616
Chicago, IL
ASR matchedChicago 54.0 ASR-1058550
54.0 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
320 EAST 21ST STREET
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.