In South Boulder, you’ll select from 3 mobile wireless carriers listed below. 100.0% of South Boulder’s land area is covered by some kind of wireless service, as are 100.00% of South Boulder’s 17,094 residents. 5G reception covers up to 99.94% of people while they are sitting at home. Note that we may have a financial relationship with some of the South Boulder providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
South Boulder, Boulder, CO 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 South Boulder
Coverage:
100.00% of South Boulder
96.15% of the USA
Data Speeds:
5G: 92.46% 4G: 99.98% 3G or 2G: 100.00%
More about Verizon Wireless in South Boulder
Verizon Wireless Data Speeds and Coverage in South Boulder
Verizon Wireless covers 100.00% of homes in the neighborhood 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 South Boulder) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
92.46% |
52.97% |
4G |
99.98% |
95.15% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 92.46% 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 #3 out of 3 for a combination of coverage and speed among South Boulder mobile providers.
Verizon Wireless Voice Quality in South Boulder
5G voice quality can be very clear, and is available to 92.46% of homes. 4G voice is considered HD, and is available at 100.00% of South Boulder homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
AT&T Wireless 5G available in South Boulder
Coverage:
100.00% of South Boulder
96.67% of the USA
Data Speeds:
5G: 99.79% 4G: 99.99% 3G or 2G: 100.00%
1-833-652-2264
More about AT&T Wireless in South Boulder
AT&T Wireless Data Speeds and Coverage in South Boulder
AT&T Wireless covers 100.00% of homes in the neighborhood 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 South Boulder) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
99.79% |
86.08% |
4G |
99.99% |
98.24% |
2G or 3G |
100.00% |
99.76% |
5G is the fastest wireless internet and data speed for 99.79% 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 South Boulder mobile providers.
AT&T Wireless Voice Quality in South Boulder
5G voice quality can be very clear, and is available to 99.79% of homes. 4G voice is considered HD, and is available at 100.00% of South Boulder homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in South Boulder
Coverage:
99.96% of South Boulder
97.12% of the USA
Data Speeds:
5G: 96.27% 4G: 98.42% 3G or 2G: 99.95%
More about T-Mobile in South Boulder
T-Mobile Data Speeds and Coverage in South Boulder
T-Mobile covers 99.96% of homes in the neighborhood 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 South Boulder) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
96.27% |
83.35% |
4G |
98.42% |
75.91% |
2G or 3G |
99.95% |
87.16% |
5G is the fastest wireless internet and data speed for 96.27% 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 South Boulder mobile providers.
T-Mobile Voice Quality in South Boulder
5G voice quality can be very clear, and is available to 96.27% of homes. 4G voice is considered HD, and is available at 99.96% of South Boulder homes. 99.95% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of South Boulder homes that would be covered by cellular service of any kind, unless specified as South Boulder land area.
Fastest Cell Service Down to the South Boulder Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in South Boulder, Boulder, CO. Areas with no clear winner are shown as ties.
Overall, South Boulder ranks #6 out of 9 neighborhoods for the fastest mobile internet network speeds in Boulder.

Best South Boulder Cell Provider Key
The southern parts of the neighborhood feature better overall coverage for faster data. The opposite is true in the western areas of South Boulder where mobile data speeds are generally slower.
Best Coverage & Data Speeds in South Boulder, Boulder, CO: AT&T Wireless
Among the largest cell phone companies in the United States, AT&T Wireless has the best speed and coverage in South Boulder. AT&T Wireless has 5G that covers 99.79% of the neighborhood. Cell service of any type reaches 100.00% of South Boulder homes.
Cheap Options for Mobile Service in South Boulder, Boulder, CO
If the price of a South Boulder mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in South Boulder 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 South Boulder 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.
South Boulder, Boulder, CO Mobile Network Coverage Maps | Voice, 4G & 5G

South Boulder Fastest Speeds Key
Your mobile coverage in South Boulder may vary based on your provider and location. The map above shows the fastest mobile data speeds in and around the neighborhood. 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 South Boulder covering 99.94% of homes in the area while 4G covers 100.00% of the neighborhood. Overall, 100.00% of homes (17,094 people) and 100.0% of the land (13.4 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in South Boulder

South Boulder 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in South Boulder cover 99.94% of homes with 5G voice and data. In total 86.53% or 11.6 square miles of South Boulder are covered by 5G. The best 5G coverage in South Boulder comes from AT&T Wireless with 99.79% coverage.
4G Coverage Map and Availability in South Boulder

South Boulder 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 South Boulder, 99.99% of the area is covered by 4G data, and 100.00% is covered by 4G HD voice service. Verizon Wireless and AT&T Wireless has the best 4G network in South Boulder with 100.00% coverage.
Selecting the Best Cell Provider in South Boulder for You
If you’re still struggling to choose a cell phone provider in the neighborhood, some of these facts may help you decide:
- Coverage to South Boulder houses is best with service from Verizon Wireless and AT&T Wireless, with 100.00% of homes covered.
- The best coverage across all South Boulder land is provided by Verizon Wireless at 100.00% of land area covered.
- The current best 5G coverage comes from AT&T Wireless reporting 99.79% in South Boulder.
- The top estimated average speed in South Boulder, estimated at 70.85, Mbps is available through AT&T Wireless.
Mobile Service Neighborhoods Near South Boulder
If you live near South Boulder but aren’t technically in the neighborhood, 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 South Boulder:
Neighborhoods close to South Boulder
- Southeast Boulder, Boulder, CO: better coverage
- Colorado University, Boulder, CO: better coverage
- Central Boulder, Boulder, CO: worse coverage
- Crossroads, Boulder, CO: better coverage
- East Boulder, Boulder, CO: better coverage
- Washington Village, Boulder, CO: better coverage
- Palo Park, Boulder, CO: worse coverage
- North Boulder, Boulder, CO: worse coverage
- Walnut Grove, Broomfield, CO: better coverage
- Kings Mill, Broomfield, CO: better coverage
Neighborhoods with similar populations to South Boulder
- Woodbury, Irvine, CA: better coverage
- Kamms Corner, Cleveland, OH: better coverage
- Great Bridge East, Chesapeake, VA: better coverage
- South Evanston, Evanston, IL: better coverage
- Cedar Hills-Cedar Mill, Portland, OR: better coverage
- Calallen, Corpus Christi, TX: better coverage
- Byberry, Philadelphia, PA: better coverage
- Buffalo, Las Vegas, NV: better coverage
- Broadmoor-Anderson Isle-Shreve Isle, Shreveport, LA: better coverage
- Blueberry Hill-Brigadoon-Stoneybrook, Lexington, KY: better coverage







