IDAHO · STATEWIDE · FCC DATA

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

Verizon reports the widest coverage in Idaho: 46.2% of the area outdoors, 6.2 points ahead of T-Mobile. AT&T is close enough behind that the top two are effectively level.

Figures are the share of Idaho'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 · IDAHO

Coverage in Idaho

FCC filings as of December 31, 2025

★ WIDEST REPORTED COVERAGE
Verizon
46.2%

Verizon reports 4G LTE or 5G across 46.2% of Idaho outdoors and 14.2% in a moving car. AT&T is close enough behind that the top two are effectively level.

Outdoor
46.2%
In car
14.2%

AT&T vs T-Mobile vs Verizon in Idaho

#1
Verizon
Reported coverage, % of area
Outdoor
46.2%
In car
14.2%
#2
AT&T
Reported coverage, % of area
Outdoor
45%
In car
27.4%
#3
T-Mobile
Reported coverage, % of area
Outdoor
40%
In car
19.5%

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 Idaho

4G LTE
55.6%
5G 7/1
41.4%
5G 35/3
33.4%

Share of Idaho'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 Idaho. 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 → AT&T coverage map → T-Mobile coverage map →

Coverage in Idaho's largest cities

Other states