NAPERVILLE · IL · FCC DATA

Best cell phone coverage in Naperville Naperville, Illinois

AT&T, T-Mobile and Verizon all report outdoor coverage of 100% of Naperville, 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 · NAPERVILLE, IL

Coverage in Naperville, IL

Population 153,124 (Census 2024 estimate)

What stands out in Naperville

  • T-Mobile reports 99.3% of Naperville in a moving car, against 44.9% of Illinois as a whole.
  • Naperville has the highest T-Mobile figure in a moving car of the 8 mostly-land cities in Illinois on this site: 99.3%.
  • Across DuPage County as a whole the three carriers report within 5 points of their Naperville figures, outdoors and in a car.
  • 5G at 35/3 Mbps covers 100% of Naperville, against 76.1% of Illinois.
✓ ALL THREE REPORT THE SAME
All three carriers
100%

AT&T vs T-Mobile vs Verizon in Naperville

=
AT&T
Outdoor
100%
In car
99.4%
=
T-Mobile
Outdoor
100%
In car
99.3%
=
Verizon
Outdoor
100%
In car
99.3%

4G and 5G across all carriers in Naperville

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

Check your street on each carrier's map

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

Questions about coverage in Naperville

Q1

How does Naperville compare with the rest of Illinois?

Outdoors AT&T 100% (state 93%), T-Mobile 100% (state 83.6%), Verizon 100% (state 96%); in a moving car AT&T 99.4% (state 72.1%), T-Mobile 99.3% (state 44.9%), Verizon 99.3% (state 58.8%).

ZIP codes mostly inside Naperville

60540, 60563, 60564, 60565.

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

Cities with figures closest to Naperville's: Alexandria, VA, Aurora, IL, Chandler, AZ, Garden Grove, CA, Mesa, AZ.