Best Internet Providers in Union City, CA
All 13 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Union City, CA
Union City has 13 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.
Ranks compare Union City with the 749 US small cities (50,000 to 99,999 people), the tiers of our fastest-cities rankings.
The Best Internet in Union City, CA at a Glance
Union City Internet 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
Sail Internet
Connection
Customer Rating
DSL
Fixed Wireless
Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
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?
T-Mobile Home Internet is the best internet provider in Union City based on California customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, T-Mobile Home Internet had the best reviews at the local, state, and national levels versus all available providers in Union City, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 97.62% of the city.
Click here to get T-Mobile Home Internet
or call 1-833-601-2935
Which Providers are Available at my Home in Union City?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.

Coverage map for each provider in Union City
- AT&T - fiber coverage map
- EarthLink - fiber coverage map
- XFINITY - cable coverage map
- Sonic - fiber coverage map
- RobinsonHSS - fixed wireless coverage map
- Tekify - fixed wireless coverage map
- Verizon - fixed wireless coverage map
- Etheric Networks - fixed wireless coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- GeoLinks - fixed wireless coverage map
- Unwired - fixed wireless coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
- Sail Internet - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
- Sail Internet - dsl coverage map
- XFINITY - fiber coverage map
- Kwikbit - fixed wireless coverage map
How Union City Compares to Places Its Size
Union City's report card score is tied 462nd of 749 and its connectivity index is tied 88th of 749.
| Measure | Union City | Rank among US small cities (50,000 to 99,999 people) | Alameda County | California | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 40.1% | Tied 658th of 749 | 73.5% | 62.4% | 71.5% | Aloha, OR and Shawnee, KS (100.0%) |
| Average top speed | 3,412 Mbps | 390th of 749 | 5,718 Mbps | 3,834 Mbps | 3,486 Mbps | Layton, UT (9,808 Mbps) |
| Providers at a typical address | 10.2 | Tied 32nd of 749 | 10.5 | 8 | 7.1 | Guaynabo, PR (14.3) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 3.2 | Tied 64th of 749 | 2.8 | 3.0 | 2.7 | Pacoima, CA and Spring Valley, NY (4.3) |
| Workers who work from home | 19% | Tied 217th of 749 | 26% | 17% | 15% | Danville, CA and Potomac, MD and 2 more (39%) |
| Homes with a computer, tablet or phone | 98% | Tied 115th of 749 | 97% | 97% | 96% | Atascocita, TX and Eastvale, CA and 8 more (100%) |
| Homes with internet | 96% | Tied 96th of 749 | 94% | 94% | 91% | Centreville, VA and Danville, CA and 2 more (99%) |
| Homes on fiber, cable or DSL | 85% | Tied 158th of 749 | 83% | 79% | 76% | Flower Mound, TX and Johns Creek, GA and 1 more (93%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 88% | Tied 228th of 749 | 88% | 84% | 81% | Sammamish, WA (99%) |
| Median household income | $148,028 | 61st of 749 | $142,605 | $111,728 | $93,246 | Potomac, MD ($227,882) |
| Residents in school (6th grade to college) | 13% | Tied 624th of 749 | 16% | 17% | 16% | East Lansing, MI (58%) |
Fiber reaches 40.1% of homes in Union City, against 73.5% across Alameda County and 62.4% across California. Households in Union City are larger than the US average (3.2 people against 2.7); 19% of workers work from home (US 15%); and the median household income is $148,028 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in Union City
Which Fiber Internet Providers are Available in Union City?
EarthLink Fiber in Union City, CA
EarthLink offers Fiber service to 39.9% of Union City homes. Across the city, EarthLink Fiber has speeds up to 4,505 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
AT&T offers Fiber service to 39.9% of Union City homes. Across the city, AT&T Fiber has speeds up to 4,505 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 lower than other types of internet service available in Union City from AT&T in terms of customer satisfaction.
Sonic Fiber in Union City, CA
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
Which Fixed Wireless and LTE Internet Providers are Available in Union City?
Tekify Fixed Wireless in Union City, CA
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 679 Mbps, with speeds from 10 Mpbs up to 900 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 900, with an average of 428 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in Union City, CA
T-Mobile Home Internet offers Fixed Wireless service to 97.6% 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 85 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 17 Mbps throughout the city.
Verizon Fixed Wireless in Union City, CA
Verizon offers Fixed Wireless service to 86.4% of Union City homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 263 Mbps, with speeds from 25 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 75, with an average of 19 Mbps throughout the city.
RobinsonHSS Fixed Wireless in Union City, CA
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
EarthLink offers Fixed Wireless service to 75.7% of Union City homes. Across the city, EarthLink Fixed Wireless has speeds up to 42 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 6.9 Mbps throughout the city.
AT&T Fixed Wireless in Union City, CA
AT&T offers Fixed Wireless service to 75.7% of Union City homes. Across the city, AT&T Fixed Wireless has speeds up to 42 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 6.9 Mbps throughout the city.
Etheric Networks Fixed Wireless in Union City, CA
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
Sail Internet offers Fixed Wireless service to 33.5% of Union City homes. Across the city, Sail Internet Fixed Wireless has speeds up to 200 Mbps, with speeds from 25 Mpbs up to 200 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 100, with an average of 100 Mbps throughout the city.
Unwired Fixed Wireless in Union City, CA
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
GeoLinks Fixed Wireless in Union City, CA
GeoLinks offers Fixed Wireless service to 17.5% of Union City homes. Across the city, GeoLinks Fixed Wireless is the only type of service available from the company, with speeds up to 471 Mbps, with speeds from 100 Mpbs up to 1,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for GeoLinks Fixed Wireless.
Which Cable Internet Providers are Available in Union City?
XFINITY Cable in Union City, CA
XFINITY from Comcast offers Cable service to 98.7% of Union City homes. Across the city, XFINITY Cable has speeds up to 1,588 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 2,000, with an average of 165 Mbps throughout the city. XFINITY Cable is rated 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
EarthLink offers DSL service to 84.6% of Union City homes. Across the city, EarthLink DSL has speeds up to 85 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 higher than other types of internet service available in Union City from EarthLink in terms of customer satisfaction.
AT&T DSL in Union City, CA
AT&T offers DSL service to 84.6% of Union City homes. Across the city, AT&T DSL has speeds up to 85 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
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.
Internet in Union City by Neighborhood and ZIP Code
Union City has 1 neighborhood and 1 ZIP code with their own pages. Each row links to that place’s page.
Neighborhoods in Union City
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Contempo | 10,988 | 2.5% | 1,661 Mbps | 9.6 | C+ | 85/100 |
ZIP codes in Union City
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 94587 | 69,305 | 38.5% | 3,358 Mbps | 10.1 | B | 88/100 |
How Union City Compares to Nearby Places
The 10 places nearest to Union City that have their own pages are all within 10 miles. Among them, Cherryland has the most homes with fiber (99.3%) and Sunol the fewest (43.3%); Union City has 40.1%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Union City (this page) | 72,759 | 40.1% | 3,412 Mbps | 10.2 | B | 88/100 |
| Fremont | 228,280 | 51.2% | 3,425 Mbps | 10.7 | B | 94/100 |
| Hayward | 160,499 | 82.9% | 6,475 Mbps | 11.5 | A- | 82/100 |
| Castro Valley | 65,198 | 86.2% | 7,828 Mbps | 10.4 | A- | 88/100 |
| Newark | 47,534 | 59.7% | 3,657 Mbps | 11.8 | B+ | 94/100 |
| East Palo Alto | 30,167 | 79.3% | 4,862 Mbps | 10.1 | A- | 76/100 |
| Ashland | 26,103 | 95.1% | 9,389 Mbps | 9.3 | A | 77/100 |
| San Lorenzo | 25,816 | 97.1% | 9,802 Mbps | 13 | A | 77/100 |
| Fairview | 16,853 | 74.0% | 4,184 Mbps | 10.4 | B+ | 85/100 |
| Cherryland | 15,255 | 99.3% | 9,030 Mbps | 12.8 | A+ | 69/100 |
| Sunol | 1,816 | 43.3% | 2,964 Mbps | 8.6 | B | 93/100 |
Who is the Fastest Internet Provider in Union City?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by T-Mobile Home Internet. On the other hand, based on data provided by the internet providers to the FCC, AT&T and EarthLink should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Union City
| Sonic | 10,000 |
|---|---|
| AT&T | 5,000 |
| EarthLink | 5,000 |
| XFINITY from Comcast | 2,000 |
| Tekify | 1,000 |
| Verizon | 1,000 |
| RobinsonHSS | 1,000 |
| Sail Internet | 1,000 |
| GeoLinks | 1,000 |
| Kwikbit | 1,000 |
| Unwired | 300 |
| Etheric Networks | 250 |
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Union City. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Union City Internet Providers
Based on 402 reviews from California internet customers, T-Mobile Home Internet is the best internet service provider for Union City residents. T-Mobile Home Internet was rated at an average of 4.11 out of 5 in our report for overall customer satisfaction. Verizon wins for second-place in California, with 3.61 out of 5 stars and 86.4% coverage in Union City.
At a national level, based on 4618 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.02 out of 5.
Local, State, and National Ratings for all Union City Internet Providers
The table below shows average customer ratings from customers in Union City, California, and customers throughout the country.
| ISP / Tech Type | Union City Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Sonic | (0) | (14) | (14) | View Plans | ||
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans | ||
| Tekify | (0) | (0) | (0) | View Plans | ||
| Kwikbit | (0) | (0) | (0) | View Plans | ||
| RobinsonHSS | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Union City
Based on data reported by Union City ISPs to the FCC, the fastest speeds in the city are available through AT&T and EarthLink. These internet providers offer speeds up to 5,000 Mbps in Union City. Therefore, the average customer can get up to 1,874 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
However, actual customers rated their satisfaction with internet speed highest with T-Mobile Home Internet. This indicates T-Mobile Home Internet reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Union City Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Sonic | (0) | (14) | (14) | View Plans | ||
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans | ||
| Tekify | (0) | (0) | (0) | View Plans | ||
| Kwikbit | (0) | (0) | (0) | View Plans | ||
| RobinsonHSS | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Union City?
Of the providers in Union City, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Union City where enough of them have reviewed a provider, otherwise across California or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet is rated 4.26 out of 5 for price, which is higher than the average across all internet providers in the country. Verizon is rated second for affordability, with an average price rating of 3.75 out of 5.
The table below shows 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 | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Sonic | (0) | (14) | (14) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans | ||
| Tekify | (0) | (0) | (0) | View Plans | ||
| Kwikbit | (0) | (0) | (0) | View Plans | ||
| RobinsonHSS | (0) | (0) | (0) | View Plans |
Customer Reviews for Internet Service Providers in California
Customer Reviews
Steve
ting Fiber
November 13, 2026 Slow, 1/10th the speed they advertised
Robert
Verizon Fixed Wireless
November 10, 2026 Was cut off with .out notice due to upgrade and was not provided connection to upgrade from the same location (tower). Causing further problems in service and added cost.
ISPReports User
AT&T DSL
November 08, 2026 Lousy
ISPReports User
Fidium
November 08, 2026 Vernice
Frontier Fiber
November 01, 2026 Horrible this is horrible. My internet has been down for two days in a half. Never again
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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 T-Mobile Home Internet.
- The fastest internet provider should be AT&T and EarthLink. Considering speed for the money and reliability in speeds, T-Mobile Home Internet 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, available to 99.8% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.
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