WASHINGTON · STATEWIDE · FCC DATA

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

Verizon reports the widest coverage in Washington: 63.6% of the area outdoors, 12.9 points ahead of T-Mobile. 6.8% of the area is water, and the lead is bigger than that, so it holds on land too. AT&T is close enough behind that the top two are effectively level.

Figures are the share of Washington's area where each carrier reports 4G LTE or 5G service to the FCC, as of December 31, 2025. The area includes water (6.8% of it), which some carriers file coverage over and others don't. A state or city figure can hide dead spots, so check your own ZIP code below.

RESULT · WASHINGTON

Coverage in Washington

FCC filings as of December 31, 2025

★ WIDEST REPORTED COVERAGE
Verizon
63.6%

Verizon reports 4G LTE or 5G across 63.6% of Washington outdoors and 27% in a moving car. AT&T is close enough behind that the top two are effectively level.

Outdoor
63.6%
In car
27%

AT&T vs T-Mobile vs Verizon in Washington

#1
Verizon
Reported coverage, % of area
Outdoor
63.6%
In car
27%
#2
AT&T
Reported coverage, % of area
Outdoor
55.2%
In car
33.7%
#3
T-Mobile
Reported coverage, % of area
Outdoor
50.7%
In car
25.4%

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 Washington

4G LTE
72.4%
5G 7/1
51.3%
5G 35/3
41.9%

Share of Washington'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 Washington. 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 Washington's largest cities

Other states