In 90621, you’ll select from 3 mobile wireless carriers listed below. 100.0% of 90621’s land area is covered by some kind of wireless service, as are 100.00% of 90621’s 35,753 residents. 5G reception covers up to 100.00% of people while they are sitting at home. Note that we may have a financial relationship with some of the 90621 providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
90621, CA Top Cell Providers
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.
Plans include 5G where available.
Coverage:
Verizon Network
Data Speeds:
Same as Verizon below
Plans start at $30/mo.
View plans
Visible offers unlimited data, talk and text for $30/month powered by Verizon.
T-Mobile 5G available in 90621
Coverage:
100.00% of 90621
99.34% of the USA
Data Speeds:
5G: 100.00%
4G: 100.00%
3G or 2G: 100.00%
Plans start at $30/mo.
More about T-Mobile in 90621
T-Mobile Data Speeds and Coverage in 90621
T-Mobile covers 100.00% of homes in the zip 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 90621) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
100.00% |
100.00% |
4G |
100.00% |
100.00% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 100.00% 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 90621 mobile providers.
T-Mobile Voice Quality in 90621
5G voice quality can be very clear, and is available to 100.00% of homes. 4G voice is considered HD, and is available at 100.00% of 90621 homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
AT&T Wireless 5G available in 90621
Coverage:
100.00% of 90621
98.83% of the USA
Data Speeds:
5G: 100.00%
4G: 100.00%
3G or 2G: 100.00%
More about AT&T Wireless in 90621
AT&T Wireless Data Speeds and Coverage in 90621
AT&T Wireless covers 100.00% of homes in the zip 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 90621) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
100.00% |
100.00% |
4G |
100.00% |
100.00% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 100.00% 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 90621 mobile providers.
AT&T Wireless Voice Quality in 90621
5G voice quality can be very clear, and is available to 100.00% of homes. 4G voice is considered HD, and is available at 100.00% of 90621 homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
Coverage:
100.00% of 90621
98.82% of the USA
Data Speeds:
4G: 100.00%
3G or 2G: 100.00%
Plans start at $35/mo.
More about Verizon Wireless in 90621
Verizon Wireless Data Speeds and Coverage in 90621
Verizon Wireless covers 100.00% of homes in the zip 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 90621) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
100.00% |
100.00% |
2G or 3G |
100.00% |
100.00% |
4G is the fastest cell coverage for 100.00% 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 90621 mobile providers.
Verizon Wireless Voice Quality in 90621
4G voice is considered HD, and is available at 100.00% of 90621 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 90621 homes that would be covered by cellular service of any kind, unless specified as 90621 land area.
Fastest Cell Service Down to the 90621 Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in 90621, CA. Areas with no clear winner are shown as ties.
Overall, 90621 ranks #1 out of 3658 zip codes for the fastest mobile internet network speeds in California.
Best 90621 Cell Provider Key
Best Coverage & Data Speeds in 90621, CA: T-Mobile and AT&T Wireless
Among the largest cell phone companies in the United States, T-Mobile and AT&T Wireless has the best speed and coverage in 90621. T-Mobile and AT&T Wireless has 5G that covers 100.00% of the zip. Cell service of any type reaches 100.00% of 90621 homes.
Cheap Options for Mobile Service in 90621, CA
If the price of a 90621 mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in 90621 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 90621 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.
90621, CA Mobile Network Coverage Maps | Voice, 4G & 5G
90621 Fastest Speeds Key
Your mobile coverage in 90621 may vary based on your provider and location. The map above shows the fastest mobile data speeds in and around the zip. 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 90621 covering 100.00% of homes in the area while 4G covers 100.00% of the zip. Overall, 100.00% of homes (35,755 people) and 100.0% of the land (4.2 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in 90621
90621 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in 90621 cover 100.00% of homes with 5G voice and data. In total 100.00% or 4.2 square miles of 90621 are covered by 5G. The best 5G coverage in 90621 comes from T-Mobile and AT&T Wireless with 100.00% coverage.
4G Coverage Map and Availability in 90621
90621 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 90621, 100.00% of the area is covered by 4G data, and 100.00% is covered by 4G HD voice service. T-Mobile, AT&T Wireless, and Verizon Wireless has the best 4G network in 90621 with 100.00% coverage.
Selecting the Best Cell Provider in 90621 for You
If you’re still struggling to choose a cell phone provider in the zip, some of these facts may help you decide:
- Coverage to 90621 houses is best with service from T-Mobile, AT&T Wireless, and Verizon Wireless, with 100.00% of homes covered.
- The best coverage across all 90621 land is provided by T-Mobile, AT&T Wireless, and Verizon Wireless at 100.00% of land area covered.
- The current best 5G coverage comes from T-Mobile and AT&T Wireless reporting 100.00% in 90621.
- The top estimated average speed in 90621, estimated at 71.00, Mbps is available through T-Mobile and AT&T Wireless.
Mobile Service Near 90621
If you live near 90621 but aren’t technically in the zip, 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 90621:
Zip Codes close to 90621
- 92833, CA: equal mobile coverage
- 90638, CA: equal mobile coverage
- 90620, CA: equal mobile coverage
- 92801, CA: equal mobile coverage
- 90623, CA: equal mobile coverage
- 92832, CA: equal mobile coverage
- 90604, CA: equal mobile coverage
- 92804, CA: equal mobile coverage
- 90703, CA: worse mobile coverage
- 90630, CA: equal mobile coverage
Zip Codes with similar populations to 90621
- 20111, VA: worse mobile coverage
- 53211, WI: worse mobile coverage
- 33801, FL: worse mobile coverage
- 57103, SD: equal mobile coverage
- 80524, CO: worse mobile coverage
- 91722, CA: equal mobile coverage
- 92821, CA: worse mobile coverage
- 22306, VA: equal mobile coverage
- 77477, TX: equal mobile coverage
- 23059, VA: worse mobile coverage