In Jefferson County, you’ll select from 4 mobile wireless carriers listed below. 98.6% of Jefferson County’s land area is covered by some kind of wireless service, as are 100.00% of Jefferson County’s 570,427 residents. 5G reception covers up to 98.20% of people while they are sitting at home. Note that we may have a financial relationship with some of the Jefferson County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Jefferson County, CO Top Cell Providers
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.
Plans include 5G where available.
Coverage:
Verizon Network
Data Speeds:
Same as Verizon below
Plans start at $30/mo.
View plans
Visible offers unlimited data, talk and text for $30/month powered by Verizon.
AT&T Wireless 5G available in Jefferson County
Coverage:
99.99% of Jefferson County
98.83% of the USA
Data Speeds:
5G: 96.83%
4G: 99.98%
3G or 2G: 99.99%
More about AT&T Wireless in Jefferson County
AT&T Wireless Data Speeds and Coverage in Jefferson County
AT&T Wireless covers 99.99% 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 Jefferson County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
96.83% |
56.44% |
4G |
99.98% |
95.63% |
2G or 3G |
99.99% |
94.29% |
5G is the fastest wireless internet and data speed for 96.83% of homes. 4G is the fastest cell coverage for 3.15% of homes. 0.00% of homes can only receive 2G or 3G data. We rank AT&T Wireless as #1 out of 4 for a combination of coverage and speed among Jefferson County mobile providers.
AT&T Wireless Voice Quality in Jefferson County
5G voice quality can be very clear, and is available to 96.83% of homes. 4G voice is considered HD, and is available at 99.98% of Jefferson County homes. 99.99% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in Jefferson County
Coverage:
99.80% of Jefferson County
99.34% of the USA
Data Speeds:
5G: 90.50%
4G: 99.78%
3G or 2G: 99.35%
Plans start at $30/mo.
More about T-Mobile in Jefferson County
T-Mobile Data Speeds and Coverage in Jefferson County
T-Mobile covers 99.80% 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 Jefferson County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
90.50% |
61.76% |
4G |
99.78% |
92.09% |
2G or 3G |
99.35% |
84.73% |
5G is the fastest wireless internet and data speed for 90.50% of homes. 4G is the fastest cell coverage for 9.28% of homes. 0.00% of homes can only receive 2G or 3G data. We rank T-Mobile as #2 out of 4 for a combination of coverage and speed among Jefferson County mobile providers.
T-Mobile Voice Quality in Jefferson County
5G voice quality can be very clear, and is available to 90.50% of homes. 4G voice is considered HD, and is available at 99.78% of Jefferson County homes. 99.63% of homes can make calls using older 2G or 3G voice technology.
Verizon Wireless 5G available in Jefferson County
Coverage:
99.99% of Jefferson County
98.82% of the USA
Data Speeds:
5G: 0.05%
4G: 99.99%
3G or 2G: 99.86%
Plans start at $35/mo.
More about Verizon Wireless in Jefferson County
Verizon Wireless Data Speeds and Coverage in Jefferson County
Verizon Wireless covers 99.99% 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 Jefferson County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
0.05% |
0.01% |
4G |
99.99% |
95.75% |
2G or 3G |
99.86% |
84.93% |
5G is the fastest wireless internet and data speed for 0.05% of homes. 4G is the fastest cell coverage for 99.94% of homes. 0.00% of homes can only receive 2G or 3G data. We rank Verizon Wireless as #3 out of 4 for a combination of coverage and speed among Jefferson County mobile providers.
Verizon Wireless Voice Quality in Jefferson County
5G voice quality can be very clear, and is available to 0.05% of homes. 4G voice is considered HD, and is available at 99.99% of Jefferson County homes. 97.70% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of Jefferson County homes that would be covered by cellular service of any kind, unless specified as Jefferson County land area.
Fastest Cell Service Down to the Jefferson County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Jefferson County, CO. Areas with no clear winner are shown as ties.
Overall, Jefferson County ranks #369 out of 1263 counties for the fastest mobile internet network speeds in Colorado.
Best Jefferson County Cell Provider Key
The northern parts of the county feature better overall coverage for faster data. The opposite is true in the southwestern areas of Jefferson County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Jefferson County, CO: AT&T Wireless
Among the largest cell phone companies in the United States, AT&T Wireless has the best speed and coverage in Jefferson County. AT&T Wireless has 5G that covers 96.83% of the county. Cell service of any type reaches 99.99% of Jefferson County homes.
Cheap Options for Mobile Service in Jefferson County, CO
If the price of a Jefferson County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Jefferson 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 Jefferson 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.
Local Mobile Providers in Jefferson County, CO
The companies below provide service to areas smaller than the entire United States. For example, they may have a cell tower in Jefferson County, and then partner with larger national companies to provide national service for traveling customers. We display network partners to the best of our ability but cannot guarantee coverage or charges outside of Jefferson County and the providers’ coverage areas.
More about Choice Wireless in Jefferson County
Choice Wireless Data Speeds and Coverage in Jefferson County
Choice Wireless covers 16.49% of homes in the county with mobile data. The fastest cellular data speed available is 2G or 3G. Coverage by homes and land mass (the % of acres with cell coverage versus the total acreage in Jefferson County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
2G or 3G |
16.30% |
20.87% |
16.30% of homes can only receive 2G or 3G data. We rank Choice Wireless as #4 out of 4 for a combination of coverage and speed among Jefferson County mobile providers.
Choice Wireless Voice Quality in Jefferson County
4G voice is considered HD, and is available at 0.00% of Jefferson County homes. 16.49% of homes can make calls using older 2G or 3G voice technology.
Jefferson County, CO Mobile Network Coverage Maps | Voice, 4G & 5G
Jefferson County Fastest Speeds Key
Your mobile coverage in Jefferson 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 Jefferson County covering 98.20% of homes in the area while 4G covers 100.00% of the county. Overall, 100.00% of homes (570,423 people) and 98.6% of the land (753.7 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Jefferson County
Jefferson County 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Jefferson County cover 98.20% of homes with 5G voice and data. In total 70.04% or 535.3 square miles of Jefferson County are covered by 5G. The best 5G coverage in Jefferson County comes from AT&T Wireless with 96.83% coverage.
4G Coverage Map and Availability in Jefferson County
Jefferson 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 Jefferson County, 100.00% 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 Jefferson County with 99.99% coverage.
Selecting the Best Cell Provider in Jefferson 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 Jefferson County houses is best with service from Verizon Wireless and AT&T Wireless, with 99.99% of homes covered.
- The best coverage across all Jefferson County land is provided by AT&T Wireless at 96.26% of land area covered.
- The current best 5G coverage comes from AT&T Wireless reporting 96.83% in Jefferson County.
- The top estimated average speed in Jefferson County, estimated at 70.01, Mbps is available through AT&T Wireless.
Mobile Service Near Jefferson County
If you live near Jefferson 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 Jefferson County:
Counties close to Jefferson County
- Denver County, CO: better mobile coverage
- Broomfield County, CO: better mobile coverage
- Arapahoe County, CO: better mobile coverage
- Adams County, CO: better mobile coverage
- Gilpin County, CO: worse mobile coverage
- Douglas County, CO: better mobile coverage
- Clear Creek County, CO: worse mobile coverage
- Boulder County, CO: worse mobile coverage
- Weld County, CO: better mobile coverage
- Park County, CO: worse mobile coverage
Counties with similar populations to Jefferson County
- Utah County, UT: better mobile coverage
- Brevard County, FL: worse mobile coverage
- Anne Arundel County, MD: better mobile coverage
- Washington County, OR: better mobile coverage
- Union County, NJ: better mobile coverage
- Delaware County, PA: worse mobile coverage
- Bristol County, MA: worse mobile coverage
- New Castle County, DE: worse mobile coverage
- Johnson County, KS: better mobile coverage
- Summit County, OH: better mobile coverage