In Onyx, you’ll select from 3 mobile wireless carriers listed below. 82.3% of Onyx’s land area is covered by some kind of wireless service, as are 95.62% of Onyx’s 648 residents. 5G reception covers up to 72.70% of people while they are sitting at home. Note that we may have a financial relationship with some of the Onyx providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Onyx, CA 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 Onyx
Coverage:
84.12% of Onyx
97.12% of the USA
Data Speeds:
5G: 76.34% 4G: 68.16% 3G or 2G: 55.34%
More about T-Mobile in Onyx
T-Mobile Data Speeds and Coverage in Onyx
T-Mobile covers 84.12% 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 Onyx) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
76.34% |
29.54% |
4G |
68.16% |
33.68% |
2G or 3G |
55.34% |
13.61% |
5G is the fastest wireless internet and data speed for 76.34% 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 Onyx mobile providers.
T-Mobile Voice Quality in Onyx
5G voice quality can be very clear, and is available to 76.34% of homes. 4G voice is considered HD, and is available at 84.12% of Onyx homes. 55.34% of homes can make calls using older 2G or 3G voice technology.
Verizon Wireless 5G available in Onyx
Coverage:
74.40% of Onyx
96.15% of the USA
Data Speeds:
5G: 0.25% 4G: 60.76% 3G or 2G: 74.28%
More about Verizon Wireless in Onyx
Verizon Wireless Data Speeds and Coverage in Onyx
Verizon Wireless covers 74.40% 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 Onyx) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
0.25% |
7.25% |
4G |
60.76% |
21.98% |
2G or 3G |
74.28% |
30.50% |
5G is the fastest wireless internet and data speed for 0.25% of homes. 4G is the fastest cell coverage for 60.76% of homes. 13.27% 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 Onyx mobile providers.
Verizon Wireless Voice Quality in Onyx
5G voice quality can be very clear, and is available to 0.25% of homes. 4G voice is considered HD, and is available at 63.54% of Onyx homes. 65.35% of homes can make calls using older 2G or 3G voice technology.
AT&T Wireless 5G available in Onyx
Coverage:
95.44% of Onyx
96.67% of the USA
Data Speeds:
5G: 54.40% 4G: 90.07% 3G or 2G: 93.39%
1-833-652-2264
More about AT&T Wireless in Onyx
AT&T Wireless Data Speeds and Coverage in Onyx
AT&T Wireless covers 95.44% 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 Onyx) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
54.40% |
13.12% |
4G |
90.07% |
72.19% |
2G or 3G |
93.39% |
70.32% |
5G is the fastest wireless internet and data speed for 54.40% 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 Onyx mobile providers.
AT&T Wireless Voice Quality in Onyx
5G voice quality can be very clear, and is available to 54.40% of homes. 4G voice is considered HD, and is available at 92.58% of Onyx homes. 93.39% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of Onyx homes that would be covered by cellular service of any kind, unless specified as Onyx land area.
Fastest Cell Service Down to the Onyx Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Onyx, CA. Areas with no clear winner are shown as ties.
Overall, Onyx ranks #3115 out of 3619 cities for the fastest mobile internet network speeds in California.

Best Onyx Cell Provider Key
The western parts of the city feature better overall coverage for faster data. The opposite is true in the northern areas of Onyx where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Onyx, CA: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in Onyx. T-Mobile has 5G that covers 76.34% of the city. Cell service of any type reaches 95.44% of Onyx homes.
Cheap Options for Mobile Service in Onyx, CA
If the price of a Onyx mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Onyx 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 Onyx 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.
Onyx, CA Mobile Network Coverage Maps | Voice, 4G & 5G

Onyx Fastest Speeds Key
Your mobile coverage in Onyx 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 Onyx covering 72.70% of homes in the area while 4G covers 93.14% of the city. Overall, 95.62% of homes (648 people) and 82.3% of the land (172.8 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Onyx

Onyx 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Onyx cover 72.70% of homes with 5G voice and data. In total 29.50% or 62.0 square miles of Onyx are covered by 5G. The best 5G coverage in Onyx comes from T-Mobile with 76.34% coverage.
4G Coverage Map and Availability in Onyx

Onyx 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 Onyx, 90.08% of the area is covered by 4G data, and 93.14% is covered by 4G HD voice service. AT&T Wireless has the best 4G network in Onyx with 92.58% coverage.
Selecting the Best Cell Provider in Onyx 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 Onyx houses is best with service from AT&T Wireless, with 95.44% of homes covered.
- The best coverage across all Onyx land is provided by AT&T Wireless at 78.73% of land area covered.
- The current best 5G coverage comes from T-Mobile reporting 76.34% in Onyx.
- The best 4G coverage is obtainable with AT&T Wireless, covering 92.58% of Onyx.
- The top estimated average speed in Onyx, estimated at 54.20, Mbps is available through T-Mobile.
Mobile Service Cities Near Onyx
If you live near Onyx 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 Onyx:
Cities close to Onyx
- Weldon, CA: better coverage
- Johnsondale, CA: better coverage
- Mountain Mesa, CA: better coverage
- Kernville, CA: better coverage
- Lake Isabella, CA: better coverage
- Wofford Heights, CA: better coverage
- Pearsonville, CA: worse coverage
- Bodfish, CA: better coverage
- Inyokern, CA: better coverage
- China Lake Acres, CA: better coverage
Cities with similar populations to Onyx
- McCausland, IA: better coverage
- Paxton, NE: worse coverage
- Partridge, KS: better coverage
- Midvale, ID: better coverage
- Meyersville, TX: better coverage
- Mesa, CO: better coverage
- Merom, IN: better coverage
- Melrose, TX: worse coverage
- McKay, OH: better coverage
- McGee, WV: better coverage







