In Duncan, you’ll select from 3 mobile wireless carriers listed below. 100.0% of Duncan’s land area is covered by some kind of wireless service, as are 100.00% of Duncan’s 14,831 residents. 5G reception covers up to 99.88% of people while they are sitting at home. Note that we may have a financial relationship with some of the Duncan providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Duncan, 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.
AT&T Wireless 5G available in Duncan
Coverage:
100.00% of Duncan
96.67% of the USA
Data Speeds:
5G: 0.09% 4G: 100.00% 3G or 2G: 100.00%
1-833-652-2264
More about AT&T Wireless in Duncan
AT&T Wireless Data Speeds and Coverage in Duncan
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 Duncan) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
0.09% |
0.54% |
4G |
100.00% |
100.00% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 0.09% of homes. 4G is the fastest cell coverage for 99.91% of homes. 0.00% 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 Duncan mobile providers.
AT&T Wireless Voice Quality in Duncan
5G voice quality can be very clear, and is available to 0.09% of homes. 4G voice is considered HD, and is available at 100.00% of Duncan homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in Duncan
Coverage:
100.00% of Duncan
97.12% of the USA
Data Speeds:
5G: 90.41% 4G: 99.89% 3G or 2G: 100.00%
More about T-Mobile in Duncan
T-Mobile Data Speeds and Coverage in Duncan
T-Mobile 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 Duncan) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
90.41% |
88.78% |
4G |
99.89% |
99.81% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 90.41% 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 #2 out of 3 for a combination of coverage and speed among Duncan mobile providers.
T-Mobile Voice Quality in Duncan
5G voice quality can be very clear, and is available to 90.41% of homes. 4G voice is considered HD, and is available at 100.00% of Duncan homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
Verizon Wireless 5G available in Duncan
Coverage:
100.00% of Duncan
96.15% of the USA
Data Speeds:
5G: 99.55% 4G: 100.00% 3G or 2G: 100.00%
More about Verizon Wireless in Duncan
Verizon Wireless Data Speeds and Coverage in Duncan
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 Duncan) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
99.55% |
98.99% |
4G |
100.00% |
100.00% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 99.55% 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 #1 out of 3 for a combination of coverage and speed among Duncan mobile providers.
Verizon Wireless Voice Quality in Duncan
5G voice quality can be very clear, and is available to 99.55% of homes. 4G voice is considered HD, and is available at 100.00% of Duncan 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 Duncan homes that would be covered by cellular service of any kind, unless specified as Duncan land area.
Fastest Cell Service Down to the Duncan Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Duncan, SC. Areas with no clear winner are shown as ties.
Overall, Duncan ranks #389 out of 1199 cities for the fastest mobile internet network speeds in South Carolina.

Best Duncan Cell Provider Key
The western parts of the city feature better overall coverage for faster data. The opposite is true in the southwestern areas of Duncan where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Duncan, SC: Verizon Wireless
Among the largest cell phone companies in the United States, Verizon Wireless has the best speed and coverage in Duncan. Verizon Wireless has 5G that covers 99.55% of the city. Cell service of any type reaches 100.00% of Duncan homes.
Cheap Options for Mobile Service in Duncan, SC
If the price of a Duncan mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Duncan 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 Duncan 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.
Duncan, SC Mobile Network Coverage Maps | Voice, 4G & 5G

Duncan Fastest Speeds Key
Your mobile coverage in Duncan 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 Duncan covering 99.88% of homes in the area while 4G covers 100.00% of the city. Overall, 100.00% of homes (14,831 people) and 100.0% of the land (21.7 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Duncan

Duncan 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Duncan cover 99.88% of homes with 5G voice and data. In total 99.81% or 21.7 square miles of Duncan are covered by 5G. The best 5G coverage in Duncan comes from Verizon Wireless with 99.55% coverage.
4G Coverage Map and Availability in Duncan

Duncan 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 Duncan, 100.00% of the area is covered by 4G data, and 100.00% is covered by 4G HD voice service. AT&T Wireless, T-Mobile, and Verizon Wireless has the best 4G network in Duncan with 100.00% coverage.
Selecting the Best Cell Provider in Duncan 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 Duncan houses is best with service from AT&T Wireless, T-Mobile, and Verizon Wireless, with 100.00% of homes covered.
- The best coverage across all Duncan land is provided by AT&T Wireless, T-Mobile, and Verizon Wireless at 100.00% of land area covered.
- The current best 5G coverage comes from Verizon Wireless reporting 99.55% in Duncan.
- The top estimated average speed in Duncan, estimated at 70.68, Mbps is available through Verizon Wireless.
Mobile Service Cities Near Duncan
If you live near Duncan 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 Duncan:
Cities close to Duncan
- Startex, SC: better coverage
- Reidville, SC: better coverage
- Wellford, SC: better coverage
- Poplar Springs, SC: better coverage
- Lyman, SC: better coverage
- Moore, SC: better coverage
- Greer, SC: better coverage
- Arcadia, SC: better coverage
- Five Forks, SC: better coverage
- Saxon, SC: better coverage
Cities with similar populations to Duncan
- Huntingdon, PA: worse coverage
- Kettering, MD: better coverage
- Kendallville, IN: worse coverage
- Kemp Mill, MD: better coverage
- Kearney, MO: worse coverage
- Keansburg, NJ: better coverage
- Justice, IL: better coverage
- Jennings, LA: worse coverage
- Indialantic, FL: worse coverage
- Key Largo, FL: worse coverage







