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.
Columbia, IL
Crowdsourced onlyApproximate cell site near Columbia, IL
Crowdsourced cell site with 1 carrier presences. Approximate OpenCelliD-only site clustered from 2 cell observations across 2 crowd samples within 1000 meters. Confidence: screened. No FCC ASR structure matched inside the 200 meter join radius.
Approximate location near Columbia, IL 62236
AT&T
LTE
Columbia, IL
ASR matchedColumbia 122.8 ASR-1007092
122.8 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
Mule Rd TWR 3.2 KM N of Columbia, IL, St. Clair County, 62236
Columbia, IL
ASR matchedColumbia 30.5 ASR-1213145
30.5 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
110 WEST SAND BANK ROAD
Columbia, IL
ASR matchedColumbia 37.5 ASR-1257817
37.5 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
Bluff Rd & Sandbank Rd
Columbia, IL
ASR matchedColumbia 47.2 ASR-1205805
47.2 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
8736 Hanover Ind. Dr.
Columbia, IL
ASR matchedColumbia 47.5 ASR-1312571
47.5 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
1322 Valmeyer Road
Columbia, IL
ASR matchedColumbia 48.2 ASR-1218895
48.2 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
688 Centerville Road (Stumpf-C #93092)
Columbia, IL
ASR matchedColumbia 50.6 ASR-1213146
50.6 with 0 carrier presences. Built from FCC ASR registration data; carrier overlays come from nearby OpenCelliD cells.
1020 NORTH MAIN STREET
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
Keep drilling down into the adjacent browse pages that give this route more context.
State page
Illinois
102 counties, 5 carriers, 9744 tower pages.
875 5G-capable sitesCarrier + state
T-Mobile in Illinois
2555 tower sites with T-Mobile presence.
794 5G-capable sitesCarrier + state
AT&T in Illinois
1796 tower sites with AT&T presence.
397 5G-capable sitesCarrier + state
Verizon in Illinois
867 tower sites with Verizon presence.
374 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.
1 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