T-Mobile Coverage Near Columbia, IL — 7 Towers
Limited — T-Mobile signal in Columbia, IL is weak; expect dropped calls indoors.
T-Mobile Coverage Stats
T-Mobile Tower Mix Near Columbia, IL
How T-Mobile Compares Near Columbia, IL
Side-by-side: T-Mobile vs. other carriers at this location, ranked by signal strength.
About T-Mobile Coverage Near Columbia, IL
Limited — T-Mobile signal in Columbia, IL is weak; expect dropped calls indoors. Our analysis uses FCC cell tower registrations plus crowdsourced OpenCellID signal measurements to estimate T-Mobile coverage at this location. Within 5 miles of Columbia, IL, we found 7 T-Mobile cell towers — the closest is just 2.96 mi away.
Signal strength is calculated using Free-Space Path Loss (FSPL) combined with FCC-registered effective radiated power (ERP). The strongest T-Mobile tower near Columbia, IL produces an estimated -62.6 dBm at ground level. Low-band frequencies (600–850 MHz) penetrate walls best for indoor coverage.
Mid-band 5G is available from T-Mobile near Columbia, IL. True high-band 5G is not yet widely deployed in this area.