In Kauai County, you’ll select from 3 mobile wireless carriers listed below. 79.9% of Kauai County’s land area is covered by some kind of wireless service, as are 99.75% of Kauai County’s 73,298 residents. 5G reception covers up to 87.27% of people while they are sitting at home. Note that we may have a financial relationship with some of the Kauai County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Kauai County, HI 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:
99.29% of Kauai County
96.15% of the USA
Data Speeds:
4G: 98.25% 3G or 2G: 99.27%
More about Verizon Wireless in Kauai County
Verizon Wireless Data Speeds and Coverage in Kauai County
Verizon Wireless covers 99.29% of homes in the county 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 Kauai County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
98.25% |
63.88% |
2G or 3G |
99.27% |
78.08% |
4G is the fastest cell coverage for 98.25% 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 Kauai County mobile providers.
Verizon Wireless Voice Quality in Kauai County
4G voice is considered HD, and is available at 98.74% of Kauai County homes. 97.41% of homes can make calls using older 2G or 3G voice technology.
AT&T Wireless 5G available in Kauai County
Coverage:
99.51% of Kauai County
96.67% of the USA
Data Speeds:
5G: 58.74% 4G: 99.33% 3G or 2G: 99.50%
1-833-652-2264
More about AT&T Wireless in Kauai County
AT&T Wireless Data Speeds and Coverage in Kauai County
AT&T Wireless covers 99.51% of homes in the county 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 Kauai County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
58.74% |
19.46% |
4G |
99.33% |
69.48% |
2G or 3G |
99.50% |
75.11% |
5G is the fastest wireless internet and data speed for 58.74% 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 #3 out of 3 for a combination of coverage and speed among Kauai County mobile providers.
AT&T Wireless Voice Quality in Kauai County
5G voice quality can be very clear, and is available to 58.74% of homes. 4G voice is considered HD, and is available at 99.36% of Kauai County homes. 99.50% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in Kauai County
Coverage:
98.78% of Kauai County
97.12% of the USA
Data Speeds:
5G: 77.43% 4G: 82.33% 3G or 2G: 97.24%
More about T-Mobile in Kauai County
T-Mobile Data Speeds and Coverage in Kauai County
T-Mobile covers 98.78% of homes in the county 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 Kauai County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
77.43% |
30.73% |
4G |
82.33% |
26.51% |
2G or 3G |
97.24% |
47.82% |
5G is the fastest wireless internet and data speed for 77.43% 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 Kauai County mobile providers.
T-Mobile Voice Quality in Kauai County
5G voice quality can be very clear, and is available to 77.43% of homes. 4G voice is considered HD, and is available at 95.75% of Kauai County homes. 98.50% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of Kauai County homes that would be covered by cellular service of any kind, unless specified as Kauai County land area.
Fastest Cell Service Down to the Kauai County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Kauai County, HI. Areas with no clear winner are shown as ties.
Overall, Kauai County ranks #187 out of 258 counties for the fastest mobile internet network speeds in Hawaii.
Best Kauai County Cell Provider Key
The central parts of the county feature better overall coverage for faster data. The opposite is true in the northwestern areas of Kauai County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Kauai County, HI: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in Kauai County. T-Mobile has 5G that covers 77.43% of the county. Cell service of any type reaches 99.51% of Kauai County homes.
Cheap Options for Mobile Service in Kauai County, HI
If the price of a Kauai County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Kauai County 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 Kauai County 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.
Kauai County, HI Mobile Network Coverage Maps | Voice, 4G & 5G
Kauai County Fastest Speeds Key
Your mobile coverage in Kauai County may vary based on your provider and location. The map above shows the fastest mobile data speeds in and around the county. 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 Kauai County covering 87.27% of homes in the area while 4G covers 99.44% of the county. Overall, 99.75% of homes (73,298 people) and 79.9% of the land (495.3 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Kauai County
Kauai County 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Kauai County cover 87.27% of homes with 5G voice and data. In total 35.06% or 217.3 square miles of Kauai County are covered by 5G. The best 5G coverage in Kauai County comes from T-Mobile with 77.43% coverage.
4G Coverage Map and Availability in Kauai County
Kauai County 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 Kauai County, 99.39% of the area is covered by 4G data, and 99.44% is covered by 4G HD voice service. AT&T Wireless has the best 4G network in Kauai County with 99.36% coverage.
Selecting the Best Cell Provider in Kauai County for You
If you’re still struggling to choose a cell phone provider in the county, some of these facts may help you decide:
- Coverage to Kauai County houses is best with service from AT&T Wireless, with 99.51% of homes covered.
- The best coverage across all Kauai County land is provided by Verizon Wireless at 78.39% of land area covered.
- The current best 5G coverage comes from T-Mobile reporting 77.43% in Kauai County.
- The best 4G coverage is obtainable with AT&T Wireless, covering 99.36% of Kauai County.
- The top estimated average speed in Kauai County, estimated at 54.98, Mbps is available through T-Mobile.
Mobile Service Counties Near Kauai County
If you live near Kauai County but aren’t technically in the county, 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 Kauai County:
Counties close to Kauai County
- Honolulu County, HI: better coverage
- Kalawao County, HI: worse coverage
- Maui County, HI: better coverage
- Hawaii County, HI: better coverage
- Santa Cruz County, AZ: better coverage
- Cochise County, AZ: better coverage
- El Paso County, TX: better coverage
- Hudspeth County, TX: better coverage
- Culberson County, TX: better coverage
- Presidio County, TX: better coverage
Counties with similar populations to Kauai County
- Vermilion County, IL: better coverage
- Chatham County, NC: better coverage
- Chelan County, WA: better coverage
- Clearfield County, PA: better coverage
- Clinton County, MI: better coverage
- Clinton County, NY: worse coverage
- Cole County, MO: better coverage
- Sullivan County, NY: better coverage
- Talladega County, AL: better coverage
- Umatilla County, OR: better coverage