TL;DR: Opensignal's July 2026 report found Verizon had the highest US coverage score at 9.7, while T-Mobile led 5G availability at 91.8% and average download speed at 192.5 Mbps. The Yonkers Times guide said US travel eSIMs typically use AT&T, Verizon, or T-Mobile, and recommended checking the FCC National Broadband Map for exact rural routes.

Opensignal's July 2026 report found Verizon had the highest US coverage score at 9.7, ahead of AT&T at 9.4 and T-Mobile at 9.1. The same report said T-Mobile led 5G availability at 91.8% and average download speed at 192.5 Mbps, while AT&T led time on network at 99.6%.

Metric

AT&T

Verizon

T-Mobile

Coverage score

9.4

9.7

9.1

5G availability

89.8%

66.6%

91.8%

Time on network

99.6%

99.5%

99.2%

Average download speed

96.0 Mbps

89.4 Mbps

192.5 Mbps

The guide said US travel eSIMs run on one or more of three national networks: AT&T, Verizon, and T-Mobile. It listed Saily, Nomad, and Airalo as examples of travel eSIM providers, with Nomad naming Verizon and AT&T for US service and Airalo naming T-Mobile plus a second network.

The article said rural coverage varies by carrier and cited Opensignal state results showing Verizon leading reliability and coverage in Montana, Nebraska, North Dakota, South Dakota, and Wyoming. It also cited Great Sand Dunes National Park in Colorado, which said Verizon users generally find a signal in the main visitor area, while users of other carriers may need to be closer to Alamosa, about 40 miles southwest.

The guide recommended using the FCC National Broadband Map before buying an eSIM. It highlighted the map's in-vehicle mobile view, outdoor stationary view, and separate 5G layers at 7/1 Mbps and 35/3 Mbps, and noted that the map does not show indoor coverage.

Relevant questions

Which US carrier led coverage in Opensignal's July 2026 report?

Verizon led coverage with an Opensignal score of 9.7. AT&T scored 9.4 and T-Mobile scored 9.1.

Which US carrier led 5G availability and speed in the 2026 comparison?

T-Mobile led both 5G availability and average download speed. Opensignal reported 91.8% 5G availability and 192.5 Mbps average download speed for T-Mobile.

Which networks do US travel eSIMs usually use?

US travel eSIMs generally use AT&T, Verizon, or T-Mobile, depending on the provider's agreements. Some providers name the carrier and others list only local network providers.

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