In New Castle County, you’ll select from 3 mobile wireless carriers listed below. 100.0% of New Castle County’s land area is covered by some kind of wireless service, as are 100.00% of New Castle County’s 570,719 residents. 5G reception covers up to 99.80% of people while they are sitting at home. Note that we may have a financial relationship with some of the New Castle County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
New Castle County, DE 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 New Castle County
Coverage:
100.00% of New Castle County
96.67% of the USA
Data Speeds:
5G: 98.51% 4G: 99.92% 3G or 2G: 100.00%
1-833-652-2264
More about AT&T Wireless in New Castle County
AT&T Wireless Data Speeds and Coverage in New Castle County
AT&T Wireless 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 New Castle County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
98.51% |
91.36% |
4G |
99.92% |
99.33% |
2G or 3G |
100.00% |
99.93% |
5G is the fastest wireless internet and data speed for 98.51% 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 #1 out of 3 for a combination of coverage and speed among New Castle County mobile providers.
AT&T Wireless Voice Quality in New Castle County
5G voice quality can be very clear, and is available to 98.51% of homes. 4G voice is considered HD, and is available at 100.00% of New Castle County homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
Verizon Wireless 5G available in New Castle County
Coverage:
100.00% of New Castle County
96.15% of the USA
Data Speeds:
5G: 91.43% 4G: 99.84% 3G or 2G: 99.99%
More about Verizon Wireless in New Castle County
Verizon Wireless Data Speeds and Coverage in New Castle County
Verizon Wireless 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 New Castle County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
91.43% |
81.89% |
4G |
99.84% |
97.88% |
2G or 3G |
99.99% |
99.89% |
5G is the fastest wireless internet and data speed for 91.43% 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 Verizon Wireless as #3 out of 3 for a combination of coverage and speed among New Castle County mobile providers.
Verizon Wireless Voice Quality in New Castle County
5G voice quality can be very clear, and is available to 91.43% of homes. 4G voice is considered HD, and is available at 100.00% of New Castle County homes. 99.95% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in New Castle County
Coverage:
99.96% of New Castle County
97.12% of the USA
Data Speeds:
5G: 97.71% 4G: 98.88% 3G or 2G: 99.35%
More about T-Mobile in New Castle County
T-Mobile Data Speeds and Coverage in New Castle County
T-Mobile covers 99.96% 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 New Castle County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
97.71% |
94.28% |
4G |
98.88% |
90.42% |
2G or 3G |
99.35% |
92.94% |
5G is the fastest wireless internet and data speed for 97.71% 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 #2 out of 3 for a combination of coverage and speed among New Castle County mobile providers.
T-Mobile Voice Quality in New Castle County
5G voice quality can be very clear, and is available to 97.71% of homes. 4G voice is considered HD, and is available at 99.94% of New Castle County homes. 99.56% 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 County homes that would be covered by cellular service of any kind, unless specified as New Castle County land area.
Fastest Cell Service Down to the New Castle County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in New Castle County, DE. Areas with no clear winner are shown as ties.
Overall, New Castle County ranks #103 out of 186 counties for the fastest mobile internet network speeds in Delaware.
Best New Castle County Cell Provider Key
The eastern parts of the county feature better overall coverage for faster data. The opposite is true in the northwestern areas of New Castle County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in New Castle County, DE: AT&T Wireless
Among the largest cell phone companies in the United States, AT&T Wireless has the best speed and coverage in New Castle County. AT&T Wireless has 5G that covers 98.51% of the county. Cell service of any type reaches 100.00% of New Castle County homes.
Cheap Options for Mobile Service in New Castle County, DE
If the price of a New Castle County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in New Castle 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 New Castle 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.
New Castle County, DE Mobile Network Coverage Maps | Voice, 4G & 5G
New Castle County Fastest Speeds Key
Your mobile coverage in New Castle 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 New Castle County covering 99.80% of homes in the area while 4G covers 100.00% of the county. Overall, 100.00% of homes (570,719 people) and 100.0% of the land (426.3 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in New Castle County
New Castle County 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in New Castle County cover 99.80% of homes with 5G voice and data. In total 97.22% or 414.5 square miles of New Castle County are covered by 5G. The best 5G coverage in New Castle County comes from AT&T Wireless with 98.51% coverage.
4G Coverage Map and Availability in New Castle County
New Castle 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 New Castle County, 99.98% of the area is covered by 4G data, and 100.00% is covered by 4G HD voice service. AT&T Wireless and Verizon Wireless has the best 4G network in New Castle County with 100.00% coverage.
Selecting the Best Cell Provider in New Castle 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 New Castle County houses is best with service from AT&T Wireless and Verizon Wireless, with 100.00% of homes covered.
- The best coverage across all New Castle County land is provided by Verizon Wireless at 99.94% of land area covered.
- The current best 5G coverage comes from AT&T Wireless reporting 98.51% in New Castle County.
- The top estimated average speed in New Castle County, estimated at 69.94, Mbps is available through AT&T Wireless.
Mobile Service Counties Near New Castle County
If you live near New Castle 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 New Castle County:
Counties close to New Castle County
- Salem County, NJ: worse coverage
- Cecil County, MD: worse coverage
- Gloucester County, NJ: better coverage
- Harford County, MD: worse coverage
- Carroll County, MD: worse coverage
- Washington County, MD: worse coverage
- Morgan County, WV: worse coverage
- Allegany County, MD: worse coverage
- Garrett County, MD: worse coverage
- Preston County, WV: worse coverage
Counties with similar populations to New Castle County
- Monmouth County, NJ: better coverage
- Arapahoe County, CO: better coverage
- Bucks County, PA: worse coverage
- Kent County, MI: worse coverage
- Providence County, RI: better coverage
- Stanislaus County, CA: worse coverage
- Ada County, ID: better coverage
- Ocean County, NJ: better coverage
- Pasco County, FL: better coverage
- Passaic County, NJ: better coverage