IOWA · STATEWIDE · FCC DATA

Best cell phone coverage in Iowa Iowa, statewide

Verizon reports the widest coverage in Iowa: 97.7% of the area outdoors, 22.4 points ahead of AT&T. T-Mobile is close enough behind to call the top two level.

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

RESULT · IOWA

Coverage in Iowa

What stands out in Iowa

  • In a moving car the order changes in Iowa: T-Mobile reports 61.4%, Verizon 54.5%.
  • Iowa ranks 2nd of 51 for the most T-Mobile coverage in a moving car (61.4%).
  • T-Mobile reports 93.1% of Iowa outdoors, against 47.3% of the US.
  • Verizon loses the most of Iowa in a moving car: 97.7% outdoors, 54.5% in a car.
★ WIDEST REPORTED COVERAGE
Verizon
97.7%
Outdoor
97.7%
In car
54.5%

AT&T vs T-Mobile vs Verizon in Iowa

#1
Verizon
Outdoor
97.7%
In car
54.5%
#2
T-Mobile
Outdoor
93.1%
In car
61.4%
#3
AT&T
Outdoor
75.3%
In car
44.1%

4G and 5G across all carriers in Iowa

4G LTE
99%
5G 7/1
88.7%
5G 35/3
76.6%

Check your street on each carrier's map

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

Where coverage runs thin in Iowa

Counties with the least land under 4G LTE from any carrier: Allamakee County (84%), Appanoose County (94.2%), Davis County (94.5%), Clayton County (94.6%), Van Buren County (94.7%). See how Iowa compares in the 10 US states with the least cell coverage.

Coverage in Iowa's largest cities

States with figures closest to Iowa's