AT&T Speed Test in Charleston

Test Your AT&T Speed in Charleston

Measure your real AT&T download speed, upload speed, ping, jitter, and bufferbloat in Charleston, SC. See how your connection truly performs.

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Charleston Average Speeds

Avg Download

195 Mbps

Avg Upload

36 Mbps

Avg Ping

16 ms

City averages based on aggregated speed test data. Your actual AT&T speeds may differ based on plan, location, and network conditions.

About AT&T Internet / Fiber in Charleston

AT&T Internet / Fiber provides internet service to residents across Charleston, SC using Fiber (AT&T Fiber) and DSL (legacy IPBB) technology. With download speeds ranging from 300-5000 Mbps (Fiber), 10-100 Mbps (DSL) and upload speeds of 300-5000 Mbps (Fiber), 1-20 Mbps (DSL), AT&T is a key provider serving the Charleston metro area. The average download speed across Charleston is approximately 195 Mbps, though your individual speeds will depend on your specific plan, neighborhood, and connection type.

To find out how your AT&T connection actually performs in Charleston, run a speed test on Pong.com. Unlike basic speed tests that only measure raw throughput, Pong.com also tests bufferbloat, jitter, and latency under load. This gives you a complete picture of your connection health, not just a download speed number. Testing across the real public internet means your results reflect what you experience when browsing, streaming, and video calling in Charleston.

AT&T Plans Available in Charleston

PlanDownloadUploadPrice
Internet 300300 Mbps300 Mbps$55/mo
Internet 500500 Mbps500 Mbps$65/mo
Internet 10001000 Mbps1000 Mbps$80/mo
Internet 20002000 Mbps2000 Mbps$110/mo
Internet 50005000 Mbps5000 Mbps$180/mo

Prices and speeds are approximate and may vary by location in Charleston. Promotional pricing may differ from regular rates.

Common AT&T Issues in Charleston

Legacy DSL customers stuck on slow speeds with no fiber upgrade available
DNS resolution delays on default AT&T DNS servers
Wi-Fi dead zones with provided gateway hardware
Latency spikes on DSL connections during rain or wet weather
BGP routing inefficiencies adding extra hops to certain destinations
IPv6 transition issues causing intermittent connectivity problems

Other Internet Providers in Charleston

Xfinity

200-1200 Mbps down, 5-35 Mbps up

Cable (DOCSIS 3.1), Fiber (select areas)

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T-Mobile Home Internet

50-300 Mbps down, 5-30 Mbps up

5G (n41, n71), 4G LTE (fallback)

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Related Pages

AT&T Internet / Fiber Speed Test

View nationwide AT&T speed test info, plans, and common issues.

Charleston Internet Speed Test

Compare all internet providers and speeds in Charleston, SC.

AT&T in Charleston FAQ

What speeds does AT&T offer in Charleston?
AT&T offers download speeds of 300-5000 Mbps (Fiber), 10-100 Mbps (DSL) and upload speeds of 300-5000 Mbps (Fiber), 1-20 Mbps (DSL) in Charleston, SC, depending on your plan and connection type (Fiber (AT&T Fiber), DSL (legacy IPBB)). Actual speeds may vary by neighborhood and network conditions. The average download speed across Charleston is approximately 195 Mbps. Run a test on Pong.com to see your real speeds.
Is AT&T good in Charleston?
AT&T performance in Charleston depends on your specific neighborhood, plan, and connection type. The citywide average download speed is around 195 Mbps with a typical ping of 16 ms. To find out how AT&T performs at your address, run a speed test on Pong.com. It measures download speed, upload speed, ping, jitter, and bufferbloat to give you a complete picture of your connection health.
How do I test my AT&T speed in Charleston?
Visit Pong.com and click the start button. The test takes less than a minute and measures your AT&T download speed, upload speed, ping, jitter, and bufferbloat in Charleston. For the most accurate results, use a wired Ethernet connection and close background applications. Pong.com tests across the real public internet, not inside AT&T's own network, so you get results that reflect your actual experience.
What alternatives to AT&T are available in Charleston?
Other internet providers available in Charleston include Xfinity, T-Mobile Home Internet. The best provider depends on your address, budget, and usage needs. Test your current AT&T connection on Pong.com, then compare your results with the speeds and pricing other providers offer in your area.

Ready to Test Your AT&T Speed in Charleston?

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