CHICAGO · IL · FCC DATA

Best cell phone coverage in Chicago Chicago, Illinois

AT&T, T-Mobile and Verizon all report outdoor coverage of between 98.6% and 100% of Chicago, IL, so no carrier wins on outdoor coverage here.

Carrier-reported coverage from FCC carrier filings as of December 31, 2025, not measured signal. How these figures are read

RESULT · CHICAGO, IL

Coverage in Chicago, IL

Population 2,721,308 (Census 2024 estimate)

What stands out in Chicago

  • T-Mobile reports 98.3% of Chicago in a moving car, against 44.9% of Illinois as a whole.
  • Chicago has the lowest AT&T figure outdoors of the 8 mostly-land cities in Illinois on this site: 98.6%.
  • Beyond the city limits it thins: across Cook County, T-Mobile reports 55% in a moving car, against 98.3% in Chicago.
  • 5G at 35/3 Mbps covers 99.7% of Chicago, against 76.1% of Illinois.
✓ ALL THREE WITHIN 1.4 POINTS
All three carriers
98.6–100%

AT&T vs T-Mobile vs Verizon in Chicago

=
Verizon
Outdoor
100%
In car
98.4%
=
T-Mobile
Outdoor
98.7%
In car
98.3%
=
AT&T
Outdoor
98.6%
In car
98.4%

4G and 5G across all carriers in Chicago

4G LTE
100%
5G 7/1
100%
5G 35/3
99.7%

Check your street on each carrier's map

Verizon coverage map → T-Mobile coverage map → AT&T coverage map →

Questions about coverage in Chicago

Q1

How does Chicago compare with the rest of Illinois?

Outdoors Verizon 100% (state 96%), T-Mobile 98.7% (state 83.6%), AT&T 98.6% (state 93%); in a moving car AT&T 98.4% (state 72.1%), Verizon 98.4% (state 58.8%), T-Mobile 98.3% (state 44.9%).

ZIP codes mostly inside Chicago

60601, 60602, 60603, 60604, 60605, 60606, 60607, 60608, 60609, 60610, 60611, 60612, 60613, 60614, 60615, 60616, 60617, 60618, 60619, 60620, 60621, 60622, 60623, 60624, 60625, 60626, 60628, 60629, 60630, 60631, 60632, 60633, 60634, 60636, 60637, 60638, 60639, 60640, 60641, 60642 and 16 more.

See the statewide Illinois comparison, or coverage in Aurora, Naperville, Joliet, Rockford, Elgin, Springfield, Peoria.

Cities with figures closest to Chicago's: Madison, WI, Fort Lauderdale, FL, Glendale, AZ, Rochester, MN, Mesa, AZ.