In New Castle, you’ll select from 5 mobile wireless carriers listed below. 76.7% of New Castle’s land area is covered by some kind of wireless service, as are 99.49% of New Castle’s 7,899 residents. 5G reception covers up to 92.27% of people while they are sitting at home. Note that we may have a financial relationship with some of the New Castle providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
New Castle, 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.
T-Mobile 5G available in New Castle
Coverage:
94.30% of New Castle
97.12% of the USA
Data Speeds:
5G: 91.90% 4G: 88.76% 3G or 2G: 91.23%
More about T-Mobile in New Castle
T-Mobile Data Speeds and Coverage in New Castle
T-Mobile covers 94.30% 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 New Castle) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
91.90% |
25.47% |
4G |
88.76% |
16.50% |
2G or 3G |
91.23% |
22.75% |
5G is the fastest wireless internet and data speed for 91.90% 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 5 for a combination of coverage and speed among New Castle mobile providers.
T-Mobile Voice Quality in New Castle
5G voice quality can be very clear, and is available to 91.90% of homes. 4G voice is considered HD, and is available at 94.22% of New Castle homes. 92.07% of homes can make calls using older 2G or 3G voice technology.
Verizon Wireless 5G available in New Castle
Coverage:
99.22% of New Castle
96.15% of the USA
Data Speeds:
5G: 21.99% 4G: 94.01% 3G or 2G: 99.22%
More about Verizon Wireless in New Castle
Verizon Wireless Data Speeds and Coverage in New Castle
Verizon Wireless covers 99.22% 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 New Castle) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
21.99% |
10.93% |
4G |
94.01% |
40.32% |
2G or 3G |
99.22% |
70.11% |
5G is the fastest wireless internet and data speed for 21.99% of homes. 4G is the fastest cell coverage for 72.02% of homes. 0.00% of homes can only receive 2G or 3G data. We rank Verizon Wireless as #2 out of 5 for a combination of coverage and speed among New Castle mobile providers.
Verizon Wireless Voice Quality in New Castle
5G voice quality can be very clear, and is available to 21.99% of homes. 4G voice is considered HD, and is available at 95.08% of New Castle homes. 94.99% of homes can make calls using older 2G or 3G voice technology.
AT&T Wireless 5G available in New Castle
Coverage:
98.06% of New Castle
96.67% of the USA
Data Speeds:
5G: 7.59% 4G: 88.03% 3G or 2G: 97.96%
1-833-652-2264
More about AT&T Wireless in New Castle
AT&T Wireless Data Speeds and Coverage in New Castle
AT&T Wireless covers 98.06% 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 New Castle) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
7.59% |
4.15% |
4G |
88.03% |
28.41% |
2G or 3G |
97.96% |
69.42% |
5G is the fastest wireless internet and data speed for 7.59% of homes. 4G is the fastest cell coverage for 88.03% of homes. 0.00% of homes can only receive 2G or 3G data. We rank AT&T Wireless as #3 out of 5 for a combination of coverage and speed among New Castle mobile providers.
AT&T Wireless Voice Quality in New Castle
5G voice quality can be very clear, and is available to 7.59% of homes. 4G voice is considered HD, and is available at 95.20% of New Castle homes. 97.96% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of New Castle homes that would be covered by cellular service of any kind, unless specified as New Castle land area.
Fastest Cell Service Down to the New Castle Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in New Castle, CO. Areas with no clear winner are shown as ties.
Overall, New Castle ranks #647 out of 1241 cities for the fastest mobile internet network speeds in Colorado.

Best New Castle Cell Provider Key
The eastern parts of the city feature better overall coverage for faster data. The opposite is true in the northwestern areas of New Castle where mobile data speeds are generally slower.
Best Coverage & Data Speeds in New Castle, CO: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in New Castle. T-Mobile has 5G that covers 91.90% of the city. Cell service of any type reaches 99.22% of New Castle homes.
Cheap Options for Mobile Service in New Castle, CO
If the price of a New Castle mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in New Castle 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 New Castle 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 New Castle, CO
The companies below provide service to areas smaller than the entire United States. For example, they may have a cell tower in New Castle, 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 New Castle and the providers’ coverage areas.
More about STRATA Networks in New Castle
STRATA Networks Data Speeds and Coverage in New Castle
STRATA Networks covers 0.02% of homes in the city 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 New Castle) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
2G or 3G |
0.02% |
0.12% |
0.02% of homes can only receive 2G or 3G data. We rank STRATA Networks as #5 out of 5 for a combination of coverage and speed among New Castle mobile providers.
STRATA Networks Voice Quality in New Castle
4G voice is considered HD, and is available at 0.00% of New Castle homes. 0.02% of homes can make calls using older 2G or 3G voice technology.
More about Choice Wireless in New Castle
Choice Wireless Data Speeds and Coverage in New Castle
Choice Wireless covers 5.38% of homes in the city 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 New Castle) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
2G or 3G |
5.38% |
19.74% |
5.38% of homes can only receive 2G or 3G data. We rank Choice Wireless as #4 out of 5 for a combination of coverage and speed among New Castle mobile providers.
Choice Wireless Voice Quality in New Castle
4G voice is considered HD, and is available at 0.00% of New Castle homes. 5.38% of homes can make calls using older 2G or 3G voice technology.
New Castle, CO Mobile Network Coverage Maps | Voice, 4G & 5G

New Castle Fastest Speeds Key
Your mobile coverage in New Castle 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 New Castle covering 92.27% of homes in the area while 4G covers 96.48% of the city. Overall, 99.49% of homes (7,899 people) and 76.7% of the land (285.2 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in New Castle

New Castle 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in New Castle cover 92.27% of homes with 5G voice and data. In total 27.72% or 103.0 square miles of New Castle are covered by 5G. The best 5G coverage in New Castle comes from T-Mobile with 91.90% coverage.
4G Coverage Map and Availability in New Castle

New Castle 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 New Castle, 94.56% of the area is covered by 4G data, and 96.48% is covered by 4G HD voice service. AT&T Wireless has the best 4G network in New Castle with 95.20% coverage.
Selecting the Best Cell Provider in New Castle 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 New Castle houses is best with service from Verizon Wireless, with 99.22% of homes covered.
- The best coverage across all New Castle land is provided by Verizon Wireless at 70.12% of land area covered.
- The current best 5G coverage comes from T-Mobile reporting 91.90% in New Castle.
- The top estimated average speed in New Castle, estimated at 65.25, Mbps is available through T-Mobile.
Mobile Service Cities Near New Castle
If you live near New Castle 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 New Castle:
Cities close to New Castle
- Silt, CO: better coverage
- Glenwood Springs, CO: better coverage
- Rifle, CO: better coverage
- Cattle Creek, CO: worse coverage
- Carbondale, CO: better coverage
- El Jebel, CO: worse coverage
- Parachute, CO: better coverage
- Battlement Mesa, CO: better coverage
- Basalt, CO: better coverage
- Emma, CO: worse coverage
Cities with similar populations to New Castle
- Daleville, AL: better coverage
- Edna, TX: better coverage
- Des Peres, MO: better coverage
- Denton, MD: better coverage
- Demorest, GA: better coverage
- Demopolis, AL: better coverage
- Delano, MN: better coverage
- Decatur, TN: worse coverage
- Dayton, MN: better coverage
- Davisburg, MI: better coverage









