Coverage · ZIP 77021 · Harris County
Internet providers in Houston, TX.
There are 8 internet providers reporting service in Houston, TX (ZIP 77021) in FCC National Broadband Map filings (FCC filings as of Dec 31, 2024), including Xfinity Fiber, AT&T Fiber, and Xfinity. The fastest advertised download speed is 5 Gbps from AT&T Fiber. 2 of them offer fiber. These records are aggregated to ZIP areas. Call (888) 889-4095 and your OneClickAway agent confirms which plans are actually orderable at your exact address — with current pricing — before anything is ordered.
Ranked · fiber first, then cable, 5G home, fixed wireless, DSL
Every provider reporting service in Houston, TX (77021)
Maximum advertised speeds from FCC National Broadband Map filings (FCC filings as of Dec 31, 2024). Coverage is the share of census blocks in this ZIP where the provider reports service. Prices are not shown — they change by address and promotion, so your agent quotes them live.
Providers are grouped by technology. Within a group, OneClickAway partners appear first in our listed partner order. We may receive compensation when you order through us. Block coverage is not the percentage of homes served.
| # | Provider | Technology | Max download | Max upload | Coverage |
|---|---|---|---|---|---|
| 01 | Xfinity FiberOneClickAway partner by Comcast |
FiberLow latency | 1.2 Gbps | 1 Gbps | 1% of blocks |
| 02 | AT&T FiberOneClickAway partner by AT&T |
FiberLow latency | 5 Gbps | 5 Gbps | 66% of blocks |
| 03 | XfinityOneClickAway partner by Comcast |
CableLow latency | 2 Gbps | 250 Mbps | 84% of blocks |
| 04 | AstoundOneClickAway partner by Astound Broadband |
CableLow latency | 1.5 Gbps | 50 Mbps | 0% of blocks |
| 05 | AT&T Internet AirOneClickAway partner by AT&T |
5G HomeLow latency | 100 Mbps | 20 Mbps | 79% of blocks |
| 06 | Verizon 5G HomeOneClickAway partner by Verizon |
5G HomeLow latency | 1 Gbps | 75 Mbps | 81% of blocks |
| 07 | T-Mobile Home Internet by T-Mobile |
5G HomeLow latency | 100 Mbps | 20 Mbps | 76% of blocks |
| 08 | AT&T InternetOneClickAway partner by AT&T |
DSLLow latency | 100 Mbps | 20 Mbps | 47% of blocks |
Satellite service is filed for essentially every U.S. address and is listed separately: Starlink up to 280 Mbps · Viasat up to 150 Mbps · HughesNet up to 100 Mbps.
Common questions
Internet in Houston, TX, answered from the filings
How many internet providers serve Houston, TX?
FCC filings list 8 internet providers reporting residential service in ZIP 77021, including Xfinity Fiber, AT&T Fiber, and Xfinity. This is an aggregated ZIP-area comparison, so not every provider reaches every address — a OneClickAway agent confirms which ones reach yours before you order.
What is the fastest internet in 77021?
AT&T Fiber reports the highest maximum advertised download speed in Houston, TX at up to 5 Gbps (up to 5 Gbps upload). Actual speeds depend on the plan sold at your address; these are provider-reported maximums, not guarantees.
Is fiber internet available in Houston, TX?
Xfinity Fiber and AT&T Fiber report fiber service in ZIP 77021. Fiber typically offers symmetrical speeds and lower latency; whether it reaches your specific address is confirmed by your agent before ordering.
Which of these providers can OneClickAway order for me?
Xfinity Fiber, AT&T Fiber, Xfinity, and Astound are OneClickAway partner brands in this ZIP. Eligible plans and current charges need confirmation. OneClickAway is authorized to sell Xfinity, Frontier, Kinetic by Windstream, Brightspeed, EarthLink, Spectrum, AT&T, Verizon, Optimum, Astound Broadband, DIRECTV, ADT, and Vivint; other brands are listed for comparison and may require ordering directly. Call (888) 889-4095 (Mon–Fri 9–6 PT).
Nearby ZIP codes in Harris County
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Confirm what's live at your address in 77021.
Your agent checks partner plans, current pricing, and installation options at your exact address. You decide whether to order. Monday – Friday, 9 AM – 6 PM (PT).