In Round O, you’ll select from 3 mobile wireless carriers listed below. 100.0% of Round O’s land area is covered by some kind of wireless service, as are 100.00% of Round O’s 2,064 residents. 5G reception covers up to 93.22% of people while they are sitting at home. Note that we may have a financial relationship with some of the Round O providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Round O, 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.
Coverage:
100.00% of Round O
96.67% of the USA
Data Speeds:
4G: 66.89% 3G or 2G: 100.00%
1-833-652-2264
More about AT&T Wireless in Round O
AT&T Wireless Data Speeds and Coverage in Round O
AT&T Wireless covers 100.00% of homes in the city with mobile data. The fastest cellular data speed available is 4G. Coverage by homes and land mass (the % of acres with cell coverage versus the total acreage in Round O) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
66.89% |
58.91% |
2G or 3G |
100.00% |
100.00% |
4G is the fastest cell coverage for 66.89% of homes. 33.11% of homes can only receive 2G or 3G data. We rank AT&T Wireless as #3 out of 3 for a combination of coverage and speed among Round O mobile providers.
AT&T Wireless Voice Quality in Round O
4G voice is considered HD, and is available at 97.88% of Round O homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
Verizon Wireless 5G available in Round O
Coverage:
100.00% of Round O
96.15% of the USA
Data Speeds:
5G: 80.08% 4G: 99.36% 3G or 2G: 100.00%
More about Verizon Wireless in Round O
Verizon Wireless Data Speeds and Coverage in Round O
Verizon 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 Round O) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
80.08% |
79.54% |
4G |
99.36% |
99.71% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 80.08% 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 Verizon Wireless as #2 out of 3 for a combination of coverage and speed among Round O mobile providers.
Verizon Wireless Voice Quality in Round O
5G voice quality can be very clear, and is available to 80.08% of homes. 4G voice is considered HD, and is available at 100.00% of Round O homes. 99.49% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in Round O
Coverage:
97.97% of Round O
97.12% of the USA
Data Speeds:
5G: 87.80% 4G: 52.52% 3G or 2G: 74.93%
More about T-Mobile in Round O
T-Mobile Data Speeds and Coverage in Round O
T-Mobile covers 97.97% 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 Round O) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
87.80% |
87.83% |
4G |
52.52% |
46.14% |
2G or 3G |
74.93% |
80.76% |
5G is the fastest wireless internet and data speed for 87.80% 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 #1 out of 3 for a combination of coverage and speed among Round O mobile providers.
T-Mobile Voice Quality in Round O
5G voice quality can be very clear, and is available to 87.80% of homes. 4G voice is considered HD, and is available at 97.56% of Round O homes. 78.76% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of Round O homes that would be covered by cellular service of any kind, unless specified as Round O land area.
Fastest Cell Service Down to the Round O Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Round O, SC. Areas with no clear winner are shown as ties.
Overall, Round O ranks #862 out of 1199 cities for the fastest mobile internet network speeds in South Carolina.

Best Round O Cell Provider Key
The eastern parts of the city feature better overall coverage for faster data. The opposite is true in the northeastern areas of Round O where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Round O, SC: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in Round O. T-Mobile has 5G that covers 87.80% of the city. Cell service of any type reaches 100.00% of Round O homes.
Cheap Options for Mobile Service in Round O, SC
If the price of a Round O mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Round O 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 Round O 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.
Round O, SC Mobile Network Coverage Maps | Voice, 4G & 5G

Round O Fastest Speeds Key
Your mobile coverage in Round O 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 Round O covering 93.22% of homes in the area while 4G covers 100.00% of the city. Overall, 100.00% of homes (2,064 people) and 100.0% of the land (62.1 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Round O

Round O 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Round O cover 93.22% of homes with 5G voice and data. In total 94.57% or 58.8 square miles of Round O are covered by 5G. The best 5G coverage in Round O comes from T-Mobile with 87.80% coverage.
4G Coverage Map and Availability in Round O

Round O 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 Round O, 99.86% of the area is covered by 4G data, and 100.00% is covered by 4G HD voice service. Verizon Wireless has the best 4G network in Round O with 100.00% coverage.
Selecting the Best Cell Provider in Round O 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 Round O houses is best with service from AT&T Wireless and Verizon Wireless, with 100.00% of homes covered.
- The best coverage across all Round O land is provided by AT&T Wireless and Verizon Wireless at 100.00% of land area covered.
- The current best 5G coverage comes from T-Mobile reporting 87.80% in Round O.
- The best 4G coverage is obtainable with Verizon Wireless, covering 100.00% of Round O.
- The top estimated average speed in Round O, estimated at 62.34, Mbps is available through T-Mobile.
Mobile Service Cities Near Round O
If you live near Round O 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 Round O:
Cities close to Round O
- Cottageville, SC: worse coverage
- Canadys, SC: worse coverage
- Walterboro, SC: better coverage
- Hendersonville, SC: better coverage
- Stokes, SC: better coverage
- Givhans, SC: better coverage
- Ridgeville, SC: better coverage
- Ruffin, SC: better coverage
- Slandsville, SC: better coverage
- Williams, SC: worse coverage
Cities with similar populations to Round O
- Atwater, MN: better coverage
- Augusta, KY: better coverage
- Beachs Corner, ID: better coverage
- Berkeley Lake, GA: better coverage
- Berryton, KS: worse coverage
- Black Eagle, MT: better coverage
- Osburn, ID: worse coverage
- Salem, MI: better coverage
- Sackets Harbor, NY: better coverage
- Ruby, SC: worse coverage







