Best Phone Coverage & Plans in Amherst, South Dakota 57421

Discover the top-tier wireless coverage options in America’s heartland, specifically Amherst, SD, 57421. This article offers an insightful comparison of Verizon, T-Mobile, and AT&T’s network reliability and reach to help you choose the best carrier.

Best Phone Network in Amherst, SD, 57421

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See which network has the best coverage in nearby zips: 57384, 57386, 57422, 57424, 57426

Overview of Phone Networks in Amherst, South Dakota, 57421

Verizon coverage in Amherst, SD, 57421

Verizon provides the best network coverage in this area, with strong performance in both speed and reliability. Users typically experience mean speeds of around 40 Mbps, with median speeds close to 35 Mbps, making it suitable for streaming videos and video calls. Latency, or the delay before data starts transferring, averages around 25 ms, which is quite good for real-time applications. The 10th percentile speeds can drop to around 10 Mbps during peak times, but the 90th percentile speeds can reach up to 75 Mbps, ensuring that most users have a solid experience. Verizon boasts extensive 4G and emerging 5G coverage, with a high consistency percentage of 90%, meaning users can expect reliable performance most of the time. Multi-server latency shows low jitter, which is important for smooth connections during video conferencing or online gaming.

See overview of Verizon coverage in 57421, Amherst, or even South Dakota.

AT&T coverage in Amherst, SD, 57421

AT&T offers a decent coverage experience in the area, with average speeds around 30 Mbps and median speeds of about 28 Mbps. Latency is slightly higher than Verizon’s, averaging around 35 ms, which can affect how quickly apps respond. The 10th percentile speeds fall to around 8 Mbps, while the 90th percentile can reach 65 Mbps, indicating that while many users enjoy good speeds, some may experience slowdowns. AT&T has a solid 4G network and is gradually expanding its 5G services, with a consistency percentage of approximately 85%. This means that most users can expect reliable connections, although there may be occasional drops during peak usage times, impacting streaming and video calls.

See overview of AT&T coverage in 57421, Amherst, or even South Dakota.

T-Mobile coverage in Amherst, SD, 57421

T-Mobile’s coverage in the area is generally good but not as strong as Verizon or AT&T. Users can expect average speeds of around 25 Mbps, with median speeds closer to 22 Mbps. Latency averages around 40 ms, which can lead to slower responses for online activities. The 10th percentile speeds can dip to about 5 Mbps, while the 90th percentile speeds can reach 60 Mbps, highlighting variability in user experience. T-Mobile has a growing 4G and expanding 5G network, offering around 80% consistency in coverage. While many users can enjoy solid connections most of the time, occasional slowdowns may occur, especially during high-demand periods, affecting tasks like streaming and video calls.

See overview of T-Mobile coverage in 57421, Amherst, or even South Dakota.

Access all 3 US networks with US Mobile

US Mobile gives you the flexibility to choose any top-tier networks in the US, to give you the strongest possible signal no matter where you are. As a Super Carrier we blend the reliability and reach of multiple major providers into a single service. This means fewer dropped calls, faster data, and better overall performance—without having to switch carriers. See how it all works and find your seamless coverage here.

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