In Cook County, you’ll select from 3 mobile wireless carriers listed below. 100.0% of Cook County’s land area is covered by some kind of wireless service, as are 100.00% of Cook County’s 5,275,541 residents. 5G reception covers up to 99.99% of people while they are sitting at home. Note that we may have a financial relationship with some of the Cook County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Cook County, IL 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 Cook County
Coverage:
99.99% of Cook County
96.67% of the USA
Data Speeds:
5G: 99.83% 4G: 99.99% 3G or 2G: 99.99%
1-833-652-2264
More about AT&T Wireless in Cook County
AT&T Wireless Data Speeds and Coverage in Cook 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 Cook County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
99.83% |
99.28% |
4G |
99.99% |
99.97% |
2G or 3G |
99.99% |
99.98% |
5G is the fastest wireless internet and data speed for 99.83% 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 #2 out of 3 for a combination of coverage and speed among Cook County mobile providers.
AT&T Wireless Voice Quality in Cook County
5G voice quality can be very clear, and is available to 99.83% of homes. 4G voice is considered HD, and is available at 99.99% of Cook County homes. 99.99% of homes can make calls using older 2G or 3G voice technology.
Verizon Wireless 5G available in Cook County
Coverage:
99.95% of Cook County
96.15% of the USA
Data Speeds:
5G: 95.82% 4G: 99.95% 3G or 2G: 99.95%
More about Verizon Wireless in Cook County
Verizon Wireless Data Speeds and Coverage in Cook County
Verizon Wireless covers 99.95% 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 Cook County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
95.82% |
97.68% |
4G |
99.95% |
99.95% |
2G or 3G |
99.95% |
99.92% |
5G is the fastest wireless internet and data speed for 95.82% 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 Cook County mobile providers.
Verizon Wireless Voice Quality in Cook County
5G voice quality can be very clear, and is available to 95.82% of homes. 4G voice is considered HD, and is available at 99.95% of Cook County homes. 99.95% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in Cook County
Coverage:
100.00% of Cook County
97.12% of the USA
Data Speeds:
5G: 99.98% 4G: 99.99% 3G or 2G: 100.00%
More about T-Mobile in Cook County
T-Mobile Data Speeds and Coverage in Cook County
T-Mobile covers 100.00% 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 Cook County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
99.98% |
99.94% |
4G |
99.99% |
99.92% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 99.98% 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 Cook County mobile providers.
T-Mobile Voice Quality in Cook County
5G voice quality can be very clear, and is available to 99.98% of homes. 4G voice is considered HD, and is available at 99.99% of Cook County 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 Cook County homes that would be covered by cellular service of any kind, unless specified as Cook County land area.
Fastest Cell Service Down to the Cook County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Cook County, IL. Areas with no clear winner are shown as ties.
Overall, Cook County ranks #1072 out of 3561 counties for the fastest mobile internet network speeds in Illinois.
Best Cook County Cell Provider Key
The western parts of the county feature better overall coverage for faster data. The opposite is true in the northeastern areas of Cook County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Cook County, IL: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in Cook County. T-Mobile has 5G that covers 99.98% of the county. Cell service of any type reaches 100.00% of Cook County homes.
Cheap Options for Mobile Service in Cook County, IL
If the price of a Cook County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Cook 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 Cook 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.
Cook County, IL Mobile Network Coverage Maps | Voice, 4G & 5G
Cook County Fastest Speeds Key
Your mobile coverage in Cook 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 Cook County covering 99.99% of homes in the area while 4G covers 99.99% of the county. Overall, 100.00% of homes (5,275,541 people) and 100.0% of the land (944.9 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Cook County
Cook County 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Cook County cover 99.99% of homes with 5G voice and data. In total 99.98% or 944.7 square miles of Cook County are covered by 5G. The best 5G coverage in Cook County comes from T-Mobile with 99.98% coverage.
4G Coverage Map and Availability in Cook County
Cook 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 Cook County, 99.99% of the area is covered by 4G data, and 99.99% is covered by 4G HD voice service. AT&T Wireless and T-Mobile has the best 4G network in Cook County with 99.99% coverage.
Selecting the Best Cell Provider in Cook 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 Cook County houses is best with service from T-Mobile, with 100.00% of homes covered.
- The best coverage across all Cook County land is provided by T-Mobile at 100.00% of land area covered.
- The current best 5G coverage comes from T-Mobile reporting 99.98% in Cook County.
- The top estimated average speed in Cook County, estimated at 70.99, Mbps is available through T-Mobile.
Mobile Service Counties Near Cook County
If you live near Cook 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 Cook County:
Counties close to Cook County
- DuPage County, IL: better coverage
- Kane County, IL: better coverage
- DeKalb County, IL: worse coverage
- Berrien County, MI: worse coverage
- Lee County, IL: worse coverage
- Cass County, MI: worse coverage
- Whiteside County, IL: worse coverage
- St. Joseph County, MI: worse coverage
- Clinton County, IA: worse coverage
- Branch County, MI: worse coverage
Counties with similar populations to Cook County
- Orange County, CA: worse coverage
- Maricopa County, AZ: worse coverage
- Los Angeles County, CA: worse coverage
- San Diego County, CA: worse coverage
- Harris County, TX: better coverage
- Miami-Dade County, FL: worse coverage
- Kings County, NY: equal coverage
- Dallas County, TX: better coverage
- Denton County, TX: worse coverage
- Butler County, OH: worse coverage