Metro Phoenix here is Maricopa and Pinal counties, the two that make up the Phoenix metro area. Both are large and include a lot of open desert and mountain land, so a county figure is an average over far more than the cities.

AT&T is the clear outdoor leader in both counties. In the 11 metro Phoenix cities among the 300 largest in the US, no carrier is the clear leader in any of them.

Every metro Phoenix county, outdoors

County4G, any carrierAT&TT-MobileVerizonWaterOutdoor leader
Maricopa County, AZ82.7%77.3%69.3%72.2%0.3%AT&T (Verizon close behind)
Pinal County, AZ89.4%83%74.9%82.7%0.1%AT&T (Verizon close behind)

Reading the county figures

Maricopa County: AT&T by 8 points over T-Mobile.

Pinal County: AT&T by 8.1 points over T-Mobile.

The largest metro Phoenix cities

The 11 metro Phoenix cities among the 300 largest in the US, biggest first. Outdoors, no carrier is the clear leader in any of the 11 cities; in a car, AT&T leads in 4 of the 11 cities, and 7 have no clear leader.

CityPopulationAT&TT-MobileVerizonWaterLeader
Phoenix1,673,16499.2%99.6%100%0.2%Tie (within 5 points)View →
Mesa517,15199.8%100%100%0.4%Tie (within 5 points)View →
Gilbert288,79099.9%100%100%0.3%Tie (within 5 points)View →
Chandler281,23199.8%100%100%0.1%Tie (within 5 points)View →
Glendale258,14399.8%99.9%100%0.6%Tie (within 5 points)View →
Scottsdale246,17098.8%97%99%0.2%Tie (within 5 points)View →
Peoria199,92491.7%96.6%96.9%1.8%No clear leader on land (1.8% water)View →
Tempe190,11499.9%100%100%0.5%Tie (within 5 points)View →
Surprise167,564100%100%100%0.2%Tie (within 5 points)View →
Goodyear118,18698.9%96.1%98.6%0%Tie (within 5 points)View →
Buckeye114,33494.1%90.5%95.3%0%Tie (within 5 points)View →

Population: 2024 estimates.

Town by town

48 towns, each the main town of a ZIP code, the large cities included. Outdoors, Verizon leads in 3, AT&T leads in 1 and T-Mobile leads in 1 of the 48 towns, and 43 have no clear leader. In a car, AT&T leads in 25, T-Mobile leads in 3 and Verizon leads in 3 of the 48 towns, and 17 have no clear leader.

CarrierTowns led, outdoorsTowns led, in a car
Verizon33
AT&T125
T-Mobile13
No clear leader4317

Where one carrier pulls clear in metro Phoenix

Widest in-car margin first, 12 of 31.

TownAT&T, in a carT-Mobile, in a carVerizon, in a carIn-car leaderOutdoor leader
Aguila0%0%100%VerizonTie (within 5 points)
Sacaton15.1%32%100%VerizonAT&T (Verizon close behind)
Stanfield57.5%17.5%92.5%VerizonTie (within 5 points)
Saddlebrooke79.6%29.2%57.9%AT&TTie (within 5 points)
Rio Verde100%57.8%97.8%AT&T (Verizon close behind)Tie (within 5 points)
Wickenburg87.1%50.2%83.8%AT&T (Verizon close behind)Tie (within 5 points)
Kearny100%95%66.7%AT&T (T-Mobile close behind)Tie (within 5 points)
New River90.4%57.3%80.6%AT&TVerizon (AT&T close behind)
Dateland97%95.5%68.5%AT&T (T-Mobile close behind)Tie (within 5 points)
Carefree100%72%82.5%AT&TTie (within 5 points)
Gila Bend79.6%72.4%52.1%AT&TTie (within 5 points)
Goodyear95.2%71.7%80.8%AT&TTie (within 5 points)

Head to head

MatchupFirst carrier leadsSecond carrier leadsToo close to call
Verizon vs AT&T002
Verizon vs T-Mobile101
AT&T vs T-Mobile200

In a moving car

CountyAT&T, in a carT-Mobile, in a carVerizon, in a carIn-car leader
Maricopa County, AZ50.2%39.6%36.4%AT&T
Pinal County, AZ57.2%39.5%36.9%AT&T

5G in metro Phoenix

County5G 7/1 Mbps5G 35/3 Mbps4G LTE, any carrier
Maricopa County, AZ67.4%58.1%82.7%
Pinal County, AZ73.4%65.7%89.4%

Where to look next

PageWhat it shows
Arizona coverageStatewide, outdoors: AT&T (Verizon close behind)View →
Phoenix coveragePopulation 1,673,164; in a car: Tie (within 5 points)View →