IOWA · STATEWIDE · FCC DATA

Best cell phone coverage in Iowa Iowa, statewide · AT&T · T-Mobile · Verizon

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 that the top two are effectively level.

Figures are the share of Iowa's area where each carrier reports 4G LTE or 5G service to the FCC, as of December 31, 2025. A state or city figure can hide dead spots, so check your own ZIP code below.

RESULT · IOWA

Coverage in Iowa

FCC filings as of December 31, 2025

★ WIDEST REPORTED COVERAGE
Verizon
97.7%

Verizon reports 4G LTE or 5G across 97.7% of Iowa outdoors and 54.5% in a moving car. T-Mobile is close enough behind that the top two are effectively level.

Outdoor
97.7%
In car
54.5%

AT&T vs T-Mobile vs Verizon in Iowa

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

Outdoor is the share of the area where the carrier reports 4G LTE or 5G to a phone standing still outdoors; in car is the share it reports to a phone in a moving vehicle, which is always lower. Indoor signal is not part of the FCC filing and can be weaker than either.

4G and 5G across all carriers in Iowa

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

Share of Iowa's area where at least one carrier reports each technology outdoors. "5G 7/1" means 5G of at least 7 Mbps down and 1 Mbps up, "5G 35/3" at least 35/3 Mbps, the two speed tiers the FCC publishes. The FCC summary does not split 5G by carrier.

Checking Verizon for your address

Verizon's filing covers the most of Iowa. A cheaper plan on a carrier that doesn't reach your street costs more than it saves, so start from coverage and pick the plan second. Every carrier's own map lets you check a street address.

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

Coverage in Iowa's largest cities

Other states