In Johnston, you’ll select from 3 mobile wireless carriers listed below. 100.0% of Johnston’s land area is covered by some kind of wireless service, as are 100.00% of Johnston’s 4,568 residents. 5G reception covers up to 83.00% of people while they are sitting at home. Note that we may have a financial relationship with some of the Johnston providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Johnston, SC Top Cell Providers
Starter Phones Designed for Child Safety
Coverage:
T-Mobile Network
Data Speeds:
Same as T-Mobile below
Plans start at $29/mo.
View plans
Built-in Parental Controls | Approved Contacts Only | Parent-Controlled Internet Access
Plans include 5G where available.
Coverage:
T-Mobile Network
Data Speeds:
Same as T-Mobile below
Plans start at $15/mo.
View plans
Mint Mobile provides very affordable plans using the same network as T-Mobile throughout the United States. Learn more about Mint vs. other carriers.
Verizon Wireless 5G available in Johnston
Coverage:
99.89% of Johnston
96.15% of the USA
Data Speeds:
5G: 5.63% 4G: 96.64% 3G or 2G: 98.85%
More about Verizon Wireless in Johnston
Verizon Wireless Data Speeds and Coverage in Johnston
Verizon Wireless covers 99.89% of homes in the city with mobile data. The fastest cellular data speed available is 5G. Coverage by homes and land mass (the % of acres with cell coverage versus the total acreage in Johnston) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
5.63% |
8.62% |
4G |
96.64% |
90.34% |
2G or 3G |
98.85% |
96.60% |
5G is the fastest wireless internet and data speed for 5.63% of homes. 4G is the fastest cell coverage for 91.01% of homes. 0.00% of homes can only receive 2G or 3G data. We rank Verizon Wireless as #2 out of 3 for a combination of coverage and speed among Johnston mobile providers.
Verizon Wireless Voice Quality in Johnston
5G voice quality can be very clear, and is available to 5.63% of homes. 4G voice is considered HD, and is available at 99.88% of Johnston homes. 95.27% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in Johnston
Coverage:
57.25% of Johnston
97.12% of the USA
Data Speeds:
5G: 42.42% 4G: 32.58% 3G or 2G: 28.20%
More about T-Mobile in Johnston
T-Mobile Data Speeds and Coverage in Johnston
T-Mobile covers 57.25% of homes in the city with mobile data. The fastest cellular data speed available is 5G. Coverage by homes and land mass (the % of acres with cell coverage versus the total acreage in Johnston) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
42.42% |
54.61% |
4G |
32.58% |
29.64% |
2G or 3G |
28.20% |
35.57% |
5G is the fastest wireless internet and data speed for 42.42% of homes. 4G is the fastest cell coverage for 0.00% of homes. 0.00% of homes can only receive 2G or 3G data. We rank T-Mobile as #3 out of 3 for a combination of coverage and speed among Johnston mobile providers.
T-Mobile Voice Quality in Johnston
5G voice quality can be very clear, and is available to 42.42% of homes. 4G voice is considered HD, and is available at 56.75% of Johnston homes. 36.74% of homes can make calls using older 2G or 3G voice technology.
AT&T Wireless 5G available in Johnston
Coverage:
100.00% of Johnston
96.67% of the USA
Data Speeds:
5G: 70.76% 4G: 95.65% 3G or 2G: 100.00%
1-833-652-2264
More about AT&T Wireless in Johnston
AT&T Wireless Data Speeds and Coverage in Johnston
AT&T Wireless covers 100.00% of homes in the city with mobile data. The fastest cellular data speed available is 5G. Coverage by homes and land mass (the % of acres with cell coverage versus the total acreage in Johnston) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
70.76% |
46.55% |
4G |
95.65% |
92.26% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 70.76% of homes. 4G is the fastest cell coverage for 0.00% of homes. 0.00% of homes can only receive 2G or 3G data. We rank AT&T Wireless as #1 out of 3 for a combination of coverage and speed among Johnston mobile providers.
AT&T Wireless Voice Quality in Johnston
5G voice quality can be very clear, and is available to 70.76% of homes. 4G voice is considered HD, and is available at 99.38% of Johnston homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of Johnston homes that would be covered by cellular service of any kind, unless specified as Johnston land area.
Fastest Cell Service Down to the Johnston Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Johnston, SC. Areas with no clear winner are shown as ties.
Overall, Johnston ranks #1031 out of 1199 cities for the fastest mobile internet network speeds in South Carolina.

Best Johnston Cell Provider Key
The central parts of the city feature better overall coverage for faster data. The opposite is true in the northwestern areas of Johnston where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Johnston, SC: AT&T Wireless
Among the largest cell phone companies in the United States, AT&T Wireless has the best speed and coverage in Johnston. AT&T Wireless has 5G that covers 70.76% of the city. Cell service of any type reaches 100.00% of Johnston homes.
Cheap Options for Mobile Service in Johnston, SC
If the price of a Johnston mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Johnston including pre-paid, no-contract plans that start as low as $15 per line. Many of these providers such as Mint, Boost, and Cricket partner with the three major carriers to provide excellent coverage nationwide. With these discount options, the price of your Johnston wireless plan will quickly rise if you add additional lines or features such as a hotspot or unlimited data.
Plans include 5G where available.
Coverage:
T-Mobile Network
Data Speeds:
Same as T-Mobile above
Plans start at $15/mo.
View plans
Mint Mobile provides very affordable plans using the same network as T-Mobile throughout the United States.
These providers all offer excellent coverage at a lower price compared to more well-known brands. Mint is generally regarded as the most affordable provider for unlimited data, with a high "throttle cap" of 35GB. Depending on where you live, you may prefer the AT&T network coverage offered by Cricket. Boost is a good option for international travelers.
Johnston, SC Mobile Network Coverage Maps | Voice, 4G & 5G

Johnston Fastest Speeds Key
Your mobile coverage in Johnston may vary based on your provider and location. The map above shows the fastest mobile data speeds in and around the city. To see coverage for an individual provider, click the provider's availability maps above.
There are several types of mobile coverage to consider when evaluating a carrier’s geographic reliability. 5G is the fastest mobile data connection in Johnston covering 83.00% of homes in the area while 4G covers 99.95% of the city. Overall, 100.00% of homes (4,568 people) and 100.0% of the land (76.1 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Johnston

Johnston 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Johnston cover 83.00% of homes with 5G voice and data. In total 66.47% or 50.6 square miles of Johnston are covered by 5G. The best 5G coverage in Johnston comes from AT&T Wireless with 70.76% coverage.
4G Coverage Map and Availability in Johnston

Johnston 4G Coverage Key
4G/LTE networks have become one of the nation’s most common mobile coverage types for data, and in some locations, voice calls. In Johnston, 98.46% of the area is covered by 4G data, and 99.95% is covered by 4G HD voice service. Verizon Wireless has the best 4G network in Johnston with 99.88% coverage.
Selecting the Best Cell Provider in Johnston for You
If you’re still struggling to choose a cell phone provider in the city, some of these facts may help you decide:
- Coverage to Johnston houses is best with service from AT&T Wireless, with 100.00% of homes covered.
- The best coverage across all Johnston land is provided by AT&T Wireless at 100.00% of land area covered.
- The current best 5G coverage comes from AT&T Wireless reporting 70.76% in Johnston.
- The best 4G coverage is obtainable with Verizon Wireless, covering 99.88% of Johnston.
- The top estimated average speed in Johnston, estimated at 50.24, Mbps is available through AT&T Wireless.
Mobile Service Cities Near Johnston
If you live near Johnston but aren’t technically in the city, or you like to explore the region a lot, your coverage availability and speeds may vary.
Enter your zip code here to find more precise mobile numbers on your exact location. Here are our mobile and cell phone guides for several popular locations in and around Johnston:
Cities close to Johnston
- Fruit Hill, SC: worse coverage
- Ward, SC: worse coverage
- Edgefield, SC: better coverage
- Ridge Spring, SC: better coverage
- Meeting Street, SC: better coverage
- Emory, SC: better coverage
- Pleasant Lane, SC: better coverage
- Monetta, SC: better coverage
- Owdoms, SC: better coverage
- Batesburg, SC: better coverage
Cities with similar populations to Johnston
- Copperopolis, CA: better coverage
- Adamstown, MD: better coverage
- Fremont, NH: better coverage
- Dwight, IL: better coverage
- Deale, MD: better coverage
- Crane, TX: better coverage
- Cold Spring, NY: better coverage
- Catawissa, PA: better coverage
- Campbell Hall, NY: better coverage
- Camanche, IA: better coverage







