RealSpeeds

Internet Speeds in Charleston, SC

Charleston residents have 4 internet providers to choose from. Xfinity is the most popular provider, offering cable internet service. In our research, we have been seeing 117 Mbps for download speeds and 12 Mbps for upload speeds for Xfinity customers over 18,464 recent tests. WOW!, AT&T and Home Telecom also have coverage in Charleston, although they are not as popular as Xfinity. These providers offer cable, fiber, DSL and fixed wireless internet service.

See more detailed speed and coverage data below.

Last updated on January 22, 2023
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
View Details →
117 Mbps12 Mbps41 ms
WOW!
Cable
Fiber
View Details →
111 Mbps14 Mbps30 ms
AT&T
DSL
Fiber
Fixed Wireless
View Details →
93 Mbps44 Mbps23 ms
Home Telecom
Cable
DSL
Fiber
View Details →
105 Mbps90 Mbps20 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Charleston, SC

Xfinity

Cable

Download Speed

117Mbps

Upload Speed

12Mbps

Latency

41ms

Overview

Xfinity is the most popular provider in Charleston offering cable internet service. Users have been getting 117 Mbps for download speeds and 12 Mbps for upload speeds over 18,464 recent tests.

Performance Breakdown

Xfinity has the fastest average download speed, the 4th fastest average upload speed, and the 4th lowest latency out of all of the providers in Charleston. 30% of users saw download speeds between 100-250 Mbps, and 57% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in Charleston

DateDownload SpeedUpload SpeedLatency
January 21, 202395 Mbps24 Mbpsn/a ms
January 21, 20231 Mbps9 Mbps40 ms
January 21, 2023153 Mbps10 Mbps70 ms
January 21, 202329 Mbps10 Mbps59 ms
January 21, 20232 Mbps11 Mbps95 ms
January 21, 202320 Mbps12 Mbps45 ms
January 21, 202368 Mbps10 Mbps44 ms
January 21, 2023348 Mbps23 Mbps43 ms
January 21, 2023254 Mbps23 Mbps60 ms
January 21, 202392 Mbps23 Mbps39 ms

WOW!

Cable
Fiber

Download Speed

111Mbps

Upload Speed

14Mbps

Latency

30ms

Overview

WOW! is the 2nd most popular provider in Charleston offering cable and fiber internet service. Users have been getting 111 Mbps for download speeds and 14 Mbps for upload speeds over 5,013 recent tests.

Performance Breakdown

WOW! has the 2nd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Charleston. 34% of users saw download speeds between 100-250 Mbps, and 39% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent WOW! Speed Tests in Charleston

DateDownload SpeedUpload SpeedLatency
January 21, 202319 Mbps19 Mbps20 ms
January 21, 20233 Mbps2 Mbps79 ms
January 21, 2023490 Mbps55 Mbps37 ms
January 21, 2023267 Mbps48 Mbps30 ms
January 21, 202328 Mbps5 Mbps33 ms
January 21, 2023652 Mbps46 Mbps21 ms
January 21, 202351 Mbps10 Mbpsn/a ms
January 21, 2023346 Mbps1 Mbps24 ms
January 21, 20235 Mbps1 Mbps99 ms
January 21, 2023453 Mbps55 Mbps24 ms

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

93Mbps

Upload Speed

44Mbps

Latency

23ms

Overview

AT&T is the 3rd most popular provider in Charleston offering DSL, fiber and fixed wireless internet service. Users have been getting 93 Mbps for download speeds and 44 Mbps for upload speeds over 4,525 recent tests.

Performance Breakdown

AT&T has the 4th fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Charleston. 23% of users saw download speeds between 250-500 Mbps, and 22% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Charleston

DateDownload SpeedUpload SpeedLatency
January 21, 202328 Mbps2 Mbps42 ms
January 21, 2023105 Mbps47 Mbps20 ms
January 21, 202323 Mbps3 Mbps47 ms
January 21, 2023150 Mbps139 Mbps23 ms
January 21, 202349 Mbps12 Mbpsn/a ms
January 21, 2023507 Mbps711 Mbps18 ms
January 21, 202331 Mbps12 Mbps22 ms
January 21, 2023234 Mbps103 Mbps24 ms
January 21, 2023383 Mbps420 Mbps23 ms
January 21, 202350 Mbps19 Mbps55 ms

Home Telecom

Cable
DSL
Fiber

Download Speed

105Mbps

Upload Speed

90Mbps

Latency

20ms

Overview

Home Telecom is the 4th most popular provider in Charleston offering cable, DSL and fiber internet service. Users have been getting 105 Mbps for download speeds and 90 Mbps for upload speeds over 2,086 recent tests.

Performance Breakdown

Home Telecom has the 3rd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Charleston. 25% of users saw download speeds between 50-100 Mbps, and 31% of users saw upload speeds between 50-100 Mbps.

Download Speeds

Upload Speeds

Recent Home Telecom Speed Tests in Charleston

DateDownload SpeedUpload SpeedLatency
January 21, 202336 Mbps14 Mbps24 ms
January 21, 2023252 Mbps170 Mbps15 ms
January 20, 2023213 Mbps169 Mbps24 ms
January 20, 2023725 Mbps696 Mbps14 ms
January 20, 202390 Mbps61 Mbps25 ms
January 20, 2023255 Mbps250 Mbps17 ms
January 20, 2023332 Mbps171 Mbps14 ms
January 20, 2023112 Mbps74 Mbps36 ms
January 20, 202363 Mbps69 Mbps15 ms
January 20, 2023146 Mbps208 Mbps21 ms

Test Your Internet Speed

Download
0
Mbps
Upload
0
Mbps
Latency ms

We’ll run a download test and an upload test to give you the full picture of your internet connection.

Nearby Cities

Popular Cities in South Carolina

Featured Cities

Frequently Asked Questions

What internet providers are available in Charleston, SC?

Xfinity, WOW!, AT&T and Home Telecom currently operate in Charleston.

What is the most popular internet provider in Charleston, SC?

Xfinity is currently the most popular internet provider in Charleston based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Charleston, SC?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in Charleston are getting, Xfinity provides the fastest download and upload speeds.

Is there fiber internet in Charleston, SC?

Home Telecom, AT&T and WOW! provide fiber internet in Charleston.