12 Best Internet Providers in Union City, CA
Find internet availability by address in Union City, CA
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Union City ISP Report Card | Business Internet in Union City
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Union City ISP Report Card | B |
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Download Speed for Most Households | 3,271 Mbps |
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Number of Internet Service Providers | 12 |
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Real Union City Customer Ratings | 3 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Union City has 12 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Union City.
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Union City has 12 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Union City.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
XFINITY
Connection
Customer Rating
Fiber
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
Sonic
Connection
Customer Rating
Fiber
Above are the top 4 providers in Union City, CA for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Union City ratings may vary and are shown below.
Who is the Best Internet Provider in Union City, CA?
Sonic is the highest-rated internet provider in Union City based on 362 California customer reviews, and Sonic has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above. The chart and table below show average customer ratings from customers in Union City, California, and customers throughout the country.
Top Rated Internet Providers in Union City
Local, State, and National Ratings for all Union City Internet Providers
| ISP / Tech Type | Union City Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY |  (3) | (193) | (2164) | View Plans | ||
| Sonic | (0) | (11) | (11) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| AT&T | (0) | (107) | (924) | View Plans | ||
| HughesNet | (0) | (1) |  (18) | View Plans | ||
| Viasat | (0) | (1) |  (11) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Unwired | (0) |  (1) | (1) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Tekify | (0) | (0) | (0) | View Plans | ||
| Kwikbit | (0) | (0) | (0) | View Plans | ||
| RobinsonHSS | (0) | (0) | (0) | View Plans |
Based on 362 reviews from California internet customers, Sonic is the best internet service provider for Union City residents. Sonic was rated at an average of 4.36 out of 5 in our report for overall customer satisfaction. T-Mobile Home Internet wins for second-place in California, with 4.00 out of 5 stars and 95.1% coverage in Union City.
At a national level, based on 4148 national reviews for any of the providers listed above, Sonic is rated higher than any other provider, with a rating of 4.27 out of 5.
Which Providers are Available at my Home in Union City?
a different provider.
Internet Availability Key
Speeds and coverage vary within the city, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in Union City?
Based on both FCC data and unbiased customer ratings in Union City, the fastest internet in the city comes from Sonic.
Data Reported to FCC by ISPs: Average Maximum Available in Union City
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Sonic | 10,000 Mbps | ||
| Tekify | 10,000 Mbps | ||
| EarthLink | 5,000 Mbps | ||
| AT&T | 5,000 Mbps | ||
| XFINITY from Comcast | 2,000 Mbps | ||
| Kwikbit | 1,000 Mbps | ||
| Sail Internet | 1,000 Mbps | ||
| Verizon | 1,000 Mbps | ||
| RobinsonHSS | 1,000 Mbps | ||
| Unwired | 300 Mbps | ||
| Etheric Networks | 250 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Union City
| ISP / Tech Type | Union City Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (3) | (193) | (2164) | View Plans | ||
| Sonic | (0) | (11) | (11) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| AT&T | (0) | (107) | (924) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) |  (11) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Tekify | (0) | (0) | (0) | View Plans | ||
| Kwikbit | (0) | (0) | (0) | View Plans | ||
| RobinsonHSS | (0) | (0) | (0) | View Plans |
Based on data reported by Union City ISPs to the FCC, the fastest speeds in the city are available through Sonic. The company offers speeds up to 10,000 Mbps in Union City. Therefore, the average customer can get up to 10,000 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
However, actual customers in the city rated their satisfaction with internet speed highest with Sonic. This indicates Sonic reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Union City?
California customers rate T-Mobile Home Internet as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet received a local rating of 4.18 out of 5, which is about average for the average across all internet providers in the country. Sonic is rated in second place for affordability by the company’s Union City customers with an average price rating of 4.09 out of 5.
The chart and graph below show how customers in Union City, California, and the United States rated the affordability of their internet service.
Rated Affordability in Union City
| ISP / Tech Type | Union City Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (3) | (193) | (2164) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| Sonic | (0) | (11) | (11) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| AT&T | (0) | (107) | (924) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Tekify | (0) | (0) | (0) | View Plans | ||
| Kwikbit | (0) | (0) | (0) | View Plans | ||
| RobinsonHSS | (0) | (0) | (0) | View Plans |
Union City Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the city and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Union City below, including the metrics used and how Union City compares to the rest of California and nation.
| Metric
(hover for details)
|
Union City | California | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Union City that have a Fiber internet connection available to their home. | 38.74% | 56.12% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 3,271 Mbps | 3,631 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Union City. | 9.7 | 7.4 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 3.3 | 3.0 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 18% | 15% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 98% | 96% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 95% | 93% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 86% | 78% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 86% | 79% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Union City ISP Report Card & Digital Connectivity Index
The ISP Report Card in Union City is B, which is much better than other cities. The local demand for broadband internet connectivity in Union City is high with a score of 91 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Union City have done a great job meeting the needs of its residents.
The Union City ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
95% of Union City households have an internet connection despite having 99.81% availability. 86% of households have fiber, cable, or DSL, 8% have satellite, 0% are still on dial-up, and 1% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 86% of households have a broadband connection such as fiber, cable or DSL available to their home, 86% subscribe to it. A very large amount of Union City residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Cities Compare to Union City?
- ISP Report Card: B+
- Digital Connectivity Index: 94 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 82 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 94 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 87 / 100
- ISP Report Card: A+
- Digital Connectivity Index: 70 / 100
- ISP Report Card: A
- Digital Connectivity Index: 80 / 100
- ISP Report Card: B
- Digital Connectivity Index: 93 / 100
- ISP Report Card: A
- Digital Connectivity Index: 76 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 81 / 100
How Much Speed does a Union City Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Union City is 3.3, which is larger than the California average of 3.0 and larger than the national average of 2.7. Union City's average household income is $149,597 which is much higher than the California average of $108,618 and much higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.
Union City also has 14% of its population enrolled in school between the 6th grade and college level, this is lower than the California average of 17%. Additionally, 18% of residents work from home, which is higher than the 15% of residents in California who work from home. This and other factors you can see above show us that the community of Union City has a very high need for internet connectivity and speeds.
Compared to the rest of the country, Union City households are much more technology-engaged. 98% of households have some sort of computing device, 90% have desktops or laptops in the home, and 96% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Union City?
EarthLink Fiber in Union City, CA
Availability:
38.5%
Customer Rating:
(5)
Avg. Download Speed
4,281 Mbps
EarthLink offers Fiber service to 38.5% of Union City homes. Across the city, EarthLink Fiber has speeds up to 4,281 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for EarthLink Fiber. EarthLink Fiber is rated about the same as other types of internet service available in Union City from EarthLink in terms of customer satisfaction.
AT&T Fiber in Union City, CA
Availability:
38.5%
Customer Rating:
(544)
Avg. Download Speed
4,281 Mbps
AT&T offers Fiber service to 38.5% of Union City homes. Across the city, AT&T Fiber has speeds up to 4,281 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for AT&T Fiber. AT&T Fiber is rated higher than other types of internet service available in Union City from AT&T in terms of customer satisfaction.
Sonic Fiber in Union City, CA
Availability:
12.9%
Customer Rating:
(14)
Avg. Download Speed
10,000 Mbps
Sonic offers Fiber service to 12.9% of Union City homes. Across the city, Sonic Fiber is the only type of service available from the company, with speeds up to 10,000 Mbps
XFINITY Fiber in Union City, CA
Availability:
1.4%
Customer Rating:
(302)
Avg. Download Speed
1,200 Mbps
XFINITY from Comcast offers Fiber service to 1.4% of Union City homes. Across the city, XFINITY Fiber has speeds up to 1,200 Mbps
Which Cable Internet Providers are Available in Union City?
XFINITY Cable in Union City, CA
Availability:
98.7%
Customer Rating:
(1,910)
Avg. Download Speed
1,562 Mbps
XFINITY from Comcast offers Cable service to 98.7% of Union City homes. Across the city, XFINITY Cable has speeds up to 1,562 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 250, with an average of 132 Mbps throughout the city. XFINITY Cable is rated about the same as other types of internet service available in Union City from XFINITY in terms of customer satisfaction.
Which DSL Internet Providers are Available in Union City?
EarthLink DSL in Union City, CA
Availability:
84.3%
Customer Rating:
(4)
Avg. Download Speed
86 Mbps
EarthLink offers DSL service to 84.3% of Union City homes. Across the city, EarthLink DSL has speeds up to 86 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 18 Mbps throughout the city. EarthLink DSL is rated the same as other types of internet service available in Union City from EarthLink in terms of customer satisfaction.
AT&T DSL in Union City, CA
Availability:
84.3%
Customer Rating:
(304)
Avg. Download Speed
86 Mbps
AT&T offers DSL service to 84.3% of Union City homes. Across the city, AT&T DSL has speeds up to 86 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 18 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in Union City from AT&T in terms of customer satisfaction.
Sail Internet DSL in Union City, CA
Availability:
5.5%
Customer Rating:
(0)
Avg. Download Speed
511 Mbps
Sail Internet offers DSL service to 5.5% of Union City homes. Across the city, Sail Internet DSL has speeds up to 511 Mbps, with speeds from 200 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 100 and as high as 1,000, with an average of 450 Mbps throughout the city.
Which Fixed Wireless and LTE Internet Providers are Available in Union City?
Tekify Fixed Wireless in Union City, CA
Availability:
99.8%
Customer Rating:
(0)
Avg. Download Speed
711 Mbps
Tekify offers Fixed Wireless service to 99.8% of Union City homes. Across the city, Tekify Fixed Wireless is the only type of service available from the company, with speeds up to 711 Mbps, with speeds from 10 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 1,000, with an average of 458 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in Union City, CA
Availability:
95.1%
Customer Rating:
(0)
Avg. Download Speed
79 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 95.1% of Union City homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 79 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 15 Mbps throughout the city.
RobinsonHSS Fixed Wireless in Union City, CA
Availability:
79.5%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
RobinsonHSS offers Fixed Wireless service to 79.5% of Union City homes. Across the city, RobinsonHSS Fixed Wireless is the only type of service available from the company, with speeds up to 1,000 Mbps
EarthLink Fixed Wireless in Union City, CA
Availability:
72.0%
Customer Rating:
(0)
Avg. Download Speed
46 Mbps
EarthLink offers Fixed Wireless service to 72.0% of Union City homes. Across the city, EarthLink Fixed Wireless has speeds up to 46 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 7.8 Mbps throughout the city.
AT&T Fixed Wireless in Union City, CA
Availability:
72.0%
Customer Rating:
(0)
Avg. Download Speed
46 Mbps
AT&T offers Fixed Wireless service to 72.0% of Union City homes. Across the city, AT&T Fixed Wireless has speeds up to 46 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 7.8 Mbps throughout the city.
Verizon Fixed Wireless in Union City, CA
Availability:
70.2%
Customer Rating:
(0)
Avg. Download Speed
327 Mbps
Verizon offers Fixed Wireless service to 70.2% of Union City homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 327 Mbps, with speeds from 300 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 75, with an average of 22 Mbps throughout the city.
Etheric Networks Fixed Wireless in Union City, CA
Availability:
55.7%
Customer Rating:
(0)
Avg. Download Speed
250 Mbps
Etheric Networks offers Fixed Wireless service to 55.7% of Union City homes. Across the city, Etheric Networks Fixed Wireless is the only type of service available from the company, with speeds up to 250 Mbps
Sail Internet Fixed Wireless in Union City, CA
Availability:
33.8%
Customer Rating:
(0)
Avg. Download Speed
200 Mbps
Sail Internet offers Fixed Wireless service to 33.8% of Union City homes. Across the city, Sail Internet Fixed Wireless has speeds up to 200 Mbps
Unwired Fixed Wireless in Union City, CA
Availability:
26.1%
Customer Rating:
(0)
Avg. Download Speed
300 Mbps
Unwired offers Fixed Wireless service to 26.1% of Union City homes. Across the city, Unwired Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Kwikbit Fixed Wireless in Union City, CA
Availability:
2.0%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
Kwikbit offers Fixed Wireless service to 2.0% of Union City homes. Across the city, Kwikbit Fixed Wireless is the only type of service available from the company, with speeds up to 1,000 Mbps
Which ISP Should You Choose in Union City?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Union City is Sonic.
- The fastest internet provider should be Sonic. Considering speed for the money and reliability in speeds, Sonic may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Union City is T-Mobile Home Internet.
- Viasat, Tekify, and HughesNet has the broadest coverage in Union City, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does Union City compare to other cities with a similar population?
To see how Union City stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Union City's B ISP Report Card and 91 / 100 Digital Connectivity Index.
- ISP Report Card: C+
- Digital Connectivity Index: 50 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 25 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 61 / 100
- ISP Report Card: A
- Digital Connectivity Index: 77 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 29 / 100
- ISP Report Card: D
- Digital Connectivity Index: 42 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 43 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 68 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 12 / 100