Charleston
Cell coverage comparison in Charleston, South Carolina
Based on crowdsourced speed tests and signal measurements in Charleston, South Carolina, the current snapshot reflects over 4,600 speed tests and shows medians of 72.7 Mbps download, 9.7 Mbps upload, and 60 ms latency.
Performance by Carrier in Charleston
Explore median download speeds, upload performance, and network latency for each major mobile carrier in Charleston, calculated from millions of real-world, crowdsourced speed tests. These results reflect typical everyday performance to help you compare carriers and choose the network that delivers the fastest speeds, most responsive connections, and broadest coverage where you live, work, and travel.
Over 1,200 tests conducted
Over 800 tests conducted
Over 2,300 tests conducted
Performance by Carrier shows side-by-side results for the primary mobile providers measured in Charleston. Each row reflects median download, upload, and latency for that carrier.
Providers included in this comparison are Verizon, T-Mobile, AT&T. Per-carrier test counts are shown in the table to indicate data accuracy.
Network Performance in Charleston
Get a complete view of mobile network performance across Charleston with overall benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics calculated from millions of real-world, crowdsourced speed tests. Start with the Charleston-wide snapshot to understand overall network trends, then dive deeper to compare individual carriers side-by-side and see how each performs in speed, responsiveness, and availability.
Median Performance
Download
Upload
Latency
Top Performers
Fastest Download: AT&T
82.4 Mbps
Fastest Upload: T-Mobile
10.8 Mbps
Best Latency: AT&T
57 ms
Best Coverage: Verizon
98.9%
Coverage Snapshot
Network Performance aggregates all measured carriers in Charleston to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.
These medians are calculated from over 4,600 tests. Current medians are 72.7 Mbps download, 9.7 Mbps upload, and 60 ms latency.
Cell Phone Plans Available in Charleston
Compare wireless plans from carriers with coverage in this area.
Helium Mobile Zero
Monthly plan
- 1 GB Data1GB cellular + 2GB Helium Wi-Fi
- No Hotspot Included
- 100 Minutes
- 300 Texts
MobileX Custom
Monthly plan
- No Data Included
- Hotspot Included
- Unlimited Minutes
- Unlimited Texts
MobileX 150 Mins 150 Texts
Monthly plan
- No Data Included
- No Hotspot Included
- Unlimited Minutes
- Unlimited Texts
Helium Mobile Sprout
Monthly plan
- 3 GB Datahigh-speed, then data stops
- No Hotspot Included
- Unlimited Minutes
- Unlimited Texts
Red Pocket 500MB 12 Months
12 month term
- 0.5 GB Datahigh-speed, then Unknown
- Hotspot Included
- 500 Minutes
- 500 Texts
Tello 100 Mins
Monthly plan
- No Data Included
- No Hotspot Included
- 100 Minutes
- Unlimited Texts
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Citys in Charleston
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Cell Coverage in Charleston: FAQ
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Why might this page show limited data for Charleston?
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