In Onslow, you’ll select from 4 mobile wireless carriers listed below. 97.2% of Onslow’s land area is covered by some kind of wireless service, as are 99.10% of Onslow’s 514 residents. 5G reception covers up to 72.74% of people while they are sitting at home. Note that we may have a financial relationship with some of the Onslow providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Onslow, IA 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.
More about Verizon Wireless in Onslow
Verizon Wireless Data Speeds and Coverage in Onslow
Verizon Wireless covers 98.68% of homes in the city 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 Onslow) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
90.74% |
79.52% |
2G or 3G |
97.27% |
92.99% |
4G is the fastest cell coverage for 90.74% 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 Onslow mobile providers.
Verizon Wireless Voice Quality in Onslow
4G voice is considered HD, and is available at 98.68% of Onslow homes. 92.17% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in Onslow
Coverage:
90.56% of Onslow
97.12% of the USA
Data Speeds:
5G: 30.54% 4G: 50.95% 3G or 2G: 66.89%
More about T-Mobile in Onslow
T-Mobile Data Speeds and Coverage in Onslow
T-Mobile covers 90.56% 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 Onslow) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
30.54% |
35.61% |
4G |
50.95% |
29.79% |
2G or 3G |
66.89% |
75.15% |
5G is the fastest wireless internet and data speed for 30.54% of homes. 4G is the fastest cell coverage for 50.95% 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 Onslow mobile providers.
T-Mobile Voice Quality in Onslow
5G voice quality can be very clear, and is available to 30.54% of homes. 4G voice is considered HD, and is available at 88.98% of Onslow homes. 66.89% of homes can make calls using older 2G or 3G voice technology.
Coverage:
39.62% of Onslow
96.67% of the USA
Data Speeds:
4G: 9.35% 3G or 2G: 32.74%
1-833-652-2264
More about AT&T Wireless in Onslow
AT&T Wireless Data Speeds and Coverage in Onslow
AT&T Wireless covers 39.62% of homes in the city 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 Onslow) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
9.35% |
6.24% |
2G or 3G |
32.74% |
29.01% |
4G is the fastest cell coverage for 9.35% of homes. 23.39% of homes can only receive 2G or 3G data. We rank AT&T Wireless as #4 out of 4 for a combination of coverage and speed among Onslow mobile providers.
AT&T Wireless Voice Quality in Onslow
4G voice is considered HD, and is available at 24.24% of Onslow homes. 32.74% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of Onslow homes that would be covered by cellular service of any kind, unless specified as Onslow land area.
Fastest Cell Service Down to the Onslow Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Onslow, IA. Areas with no clear winner are shown as ties.
Overall, Onslow ranks #1995 out of 2384 cities for the fastest mobile internet network speeds in Iowa.

Best Onslow Cell Provider Key
The western parts of the city feature better overall coverage for faster data. The opposite is true in the southeastern areas of Onslow where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Onslow, IA: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in Onslow. T-Mobile has 5G that covers 30.54% of the city. Cell service of any type reaches 98.68% of Onslow homes.
Cheap Options for Mobile Service in Onslow, IA
If the price of a Onslow mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Onslow 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 Onslow 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 Onslow, IA
The companies below provide service to areas smaller than the entire United States. For example, they may have a cell tower in Onslow, 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 Onslow and the providers’ coverage areas.
US Cellular 5G available in Onslow
Coverage:
98.51% of Onslow
10.17% of the USA
Data Speeds:
5G: 67.63% 4G: 90.89% 3G or 2G: 98.46%
More about US Cellular in Onslow
US Cellular Data Speeds and Coverage in Onslow
US Cellular covers 98.51% 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 Onslow) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
67.63% |
38.97% |
4G |
90.89% |
79.96% |
2G or 3G |
98.46% |
95.95% |
5G is the fastest wireless internet and data speed for 67.63% 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 US Cellular as #1 out of 4 for a combination of coverage and speed among Onslow mobile providers.
US Cellular Voice Quality in Onslow
5G voice quality can be very clear, and is available to 67.63% of homes. 4G voice is considered HD, and is available at 97.49% of Onslow homes. 98.46% of homes can make calls using older 2G or 3G voice technology.
Despite being much smaller, US Cellular service is actually better for coverage and speeds in Onslow than the major cell carriers AT&T, Verizon, and T-Mobile. This is likely only true in and around the proper city boundaries.
Onslow, IA Mobile Network Coverage Maps | Voice, 4G & 5G

Onslow Fastest Speeds Key
Your mobile coverage in Onslow 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 Onslow covering 72.74% of homes in the area while 4G covers 99.10% of the city. Overall, 99.10% of homes (514 people) and 97.2% of the land (48.6 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Onslow

Onslow 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Onslow cover 72.74% of homes with 5G voice and data. In total 47.79% or 23.9 square miles of Onslow are covered by 5G. The best 5G coverage in Onslow comes from US Cellular with 67.63% coverage.
4G Coverage Map and Availability in Onslow

Onslow 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 Onslow, 93.52% of the area is covered by 4G data, and 99.10% is covered by 4G HD voice service. Verizon Wireless has the best 4G network in Onslow with 98.68% coverage.
Selecting the Best Cell Provider in Onslow 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 Onslow houses is best with service from Verizon Wireless, with 98.68% of homes covered.
- The best coverage across all Onslow land is provided by Verizon Wireless at 96.33% of land area covered.
- The current best 5G coverage comes from US Cellular reporting 67.63% in Onslow.
- The best 4G coverage is obtainable with Verizon Wireless, covering 98.68% of Onslow.
- The top estimated average speed in Onslow, estimated at 48.02, Mbps is available through US Cellular.
Mobile Service Cities Near Onslow
If you live near Onslow 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 Onslow:
Cities close to Onslow
- Wyoming, IA: better coverage
- Center Junction, IA: better coverage
- Monmouth, IA: worse coverage
- Scotch Grove, IA: worse coverage
- Hale, IA: better coverage
- Baldwin, IA: worse coverage
- Oxford Junction, IA: better coverage
- Olin, IA: better coverage
- Nashville, IA: better coverage
- Emeline, IA: better coverage
Cities with similar populations to Onslow
- Latham, IL: worse coverage
- Schell City, MO: better coverage
- Scandia, KS: better coverage
- Sasakwa, OK: better coverage
- Mapleton Depot, PA: worse coverage
- Lobelia, NC: better coverage
- Lindenwood, IL: better coverage
- Lesterville, SD: better coverage
- Leland, IA: better coverage
- Leetsville, MI: worse coverage








