Internet Speeds in Johnston, SC

Residents of Johnston have 3 internet providers to choose from. The most popular provider is AT&T, which offers DSL, fiber and fixed wireless internet service. Over 281 recent tests, our research shows that AT&T customers have been getting 16 Mbps for download speeds and 1 Mbps for upload speeds. Besides AT&T, residents of Johnston may be able to choose from Xfinity and Breezeline which offer cable internet service.

While these are the real speeds we have been seeing in recent tests, there are many factors that affect download and upload speeds, so your actual service may differ.

Last updated on March 18, 2024
ProviderDownload SpeedUpload SpeedLatency
AT&T
DSL
Fiber
Fixed Wireless
View Details →
16 Mbps1 Mbps50 ms
Xfinity
Cable
View Details →
29 Mbps5 Mbps31 ms
Breezeline
Cable
View Details →
49 Mbps10 Mbps32 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Johnston, SC

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

16Mbps

Upload Speed

1Mbps

Latency

50ms

Overview

AT&T is the most popular provider in Johnston offering DSL, fiber and fixed wireless internet service. Users have been getting 16 Mbps for download speeds and 1 Mbps for upload speeds over 281 recent tests.

Performance Breakdown

AT&T has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Johnston. 79% of users saw download speeds between 10-25 Mbps, and 92% of users saw upload speeds slower than 5 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Johnston

DateDownload SpeedUpload SpeedLatency
March 16, 202415 Mbps1 Mbps52 ms
March 15, 202416 Mbps1 Mbps50 ms
March 14, 202416 Mbps1 Mbps54 ms
March 13, 202416 Mbps1 Mbps69 ms
March 12, 202416 Mbps1 Mbps56 ms
March 11, 202416 Mbps1 Mbps53 ms
March 10, 202416 Mbps1 Mbps50 ms
March 9, 202416 Mbps1 Mbps53 ms
March 8, 202416 Mbps1 Mbps50 ms
March 7, 202416 Mbps1 Mbps53 ms

Xfinity

Cable

Download Speed

29Mbps

Upload Speed

5Mbps

Latency

31ms

Overview

Xfinity is the 2nd most popular provider in Johnston offering cable internet service. Users have been getting 29 Mbps for download speeds and 5 Mbps for upload speeds over 6 recent tests.

Performance Breakdown

Xfinity has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Johnston. 50% of users saw download speeds between 100-250 Mbps, and 100% of users saw upload speeds slower than 5 Mbps.

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Upload Speeds

Breezeline

Cable

Download Speed

49Mbps

Upload Speed

10Mbps

Latency

32ms

Overview

Breezeline is the 3rd most popular provider in Johnston offering cable internet service. Users have been getting 49 Mbps for download speeds and 10 Mbps for upload speeds over 5 recent tests.

Performance Breakdown

Breezeline has the fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Johnston. 50% of users saw download speeds between 50-100 Mbps, and 50% of users saw upload speeds between 25-50 Mbps.

Download Speeds

Upload Speeds

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Frequently Asked Questions

What internet providers are available in Johnston, SC?

AT&T, Xfinity and Breezeline currently operate in Johnston.

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

AT&T is currently the most popular internet provider in Johnston based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Johnston, 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 Johnston are getting, Breezeline provides the fastest download speeds and Breezeline provides the fastest upload speeds.

Is there fiber internet in Johnston, SC?

AT&T provides fiber internet in Johnston.