Internet Providers in 77979

5 providers serve Alamo Beach, TX (77979), yet the market's HHI of 5,413 clears the DOJ's 2,500 bar for high concentration — coverage is pooled among the largest networks rather than spread evenly. T-Mobile and Frontier Fiber share the ZIP 77979 (Alamo Beach, TX) duopoly market (HHI: 5,413), with T-Mobile holding 56% coverage and Frontier Fiber covering 31% of addresses. By DOJ HHI standards (1,500/2,500 thresholds), this two-provider market rates as highly concentrated. While having two ISPs gives ZIP 77979 (Alamo Beach, TX) residents more choice than a monopoly, pricing pressure is limited compared to markets with three or more overlapping providers. Households should compare both providers' current promotional rates before committing to a plan, as deals can vary significantly between the two.

In the immediate vicinity of ZIP 77979, verified infrastructure supports fiber speeds up to 7 Gbps, cable speeds up to 1 Gbps.

The Herfindahl-Hirschman Index (HHI) for this ZIP code — calculated from each wired and fixed-wireless provider's share of local coverage — is 5,413, classifying it as a highly concentrated market under U.S. Department of Justice guidelines. A highly concentrated market means one or two providers control most of the coverage, which can limit competitive pricing for consumers.

Fiber-optic internet is available to only 31% of addresses in ZIP code 77979 (Alamo Beach, TX) — 26 percentage points below the national average of 57%. This significant gap reflects underinvestment in fiber infrastructure relative to the national buildout pace. Households without fiber access should evaluate cable, fixed wireless, or satellite alternatives while monitoring whether BEAD-funded fiber expansion is planned for this area. Fiber availability in this area is near the national average. The nationwide fiber buildout accelerated in 2024-2025, with BEAD program funding expected to push fiber availability above 60% by 2028.

Fiber internet is available from Frontier Fiber, with 31% fiber coverage — below the national average of 57%. Fiber delivers symmetrical upload and download speeds — a key advantage for households with multiple remote workers, video conference participants, or content creators who upload large files. Nationally, fiber represents the fastest-growing broadband technology segment, expanding at roughly 8 percentage points of coverage per year. Fixed wireless internet — including 5G home internet services — is available from T-Mobile, reaching 56% of addresses (well above the national fixed wireless average of 32%). Fixed wireless offers a no-installation alternative that is increasingly competitive with cable for everyday internet use, with speeds typically ranging from 50-300 Mbps download. Unlike satellite, fixed wireless delivers lower latency (20-40 ms), making it viable for video conferencing and gaming. Satellite internet (HughesNet, Starlink, Viasat) reaches addresses that wired broadband can't. Starlink's low-Earth-orbit (LEO) technology delivers 20-60 ms latency — a major improvement over geostationary services at 600+ ms — making it a practical choice for rural households without fixed-line options.

Residents of ZIP code 77979 can choose from plans starting at $39.99/mo (Frontier Fiber 200 Internet, 200 Mbps download) up to 2 Gbps (Frontier Fiber 2 Gig Internet at $109.99/mo). Across all 12 plans available, the median price point offers a balance of speed and affordability for typical household needs.

The technology mix in 77979 includes 1 fiber provider (20% of options), 1 fixed wireless/5G provider. Fiber optic connections deliver the fastest and most reliable performance with symmetric upload and download speeds, making them ideal for remote work, gaming, and 4K streaming.

Texas received $3.3 billion in federal BEAD funding. The Texas Broadband Development Office is currently in the challenge phase, which means providers and communities can dispute the FCC broadband maps that determine which locations qualify for funding — a critical step before deployment grants are awarded. The Affordable Connectivity Program (ACP) previously provided up to $30/month subsidies for eligible households, though federal funding expired in 2024. Some providers continue offering voluntary low-income discounts.

Market data is based on the FCC Broadband Data Collection (June 2025). Actual coverage and plan availability may vary by specific address within ZIP code 77979.

Technology Availability

Fiber-optic internet is available from 1 provider (Frontier Fiber), with the highest fiber coverage reaching 31% of addresses. 1 fixed wireless or 5G home internet option is available. satellite internet serves as a backup for addresses outside wired coverage areas. The technology mix in Alamo Beach determines the range of speeds and prices residents can access for home internet service.

Pricing Overview

Internet plans in Alamo Beach range from $39.99/month to $129.99/month, with an average of $77/month — $12/month above the national average of $65/month. Fiber plans average $55/month locally, compared to the national fiber average of $60/month. The most affordable option is Frontier starting at $39.99/month for 200 Mbps speeds. At the top end, HughesNet's 25 Mbps plan costs $129.99/month — best suited for large households or home offices needing maximum bandwidth. Residents of TX should compare at least 2-3 providers before committing, as pricing varies significantly by plan tier and technology type.

Market Competition

By the DOJ's merger-review yardstick, Alamo Beach is a highly concentrated broadband market: its HHI of 5,413 sits above the 2,500 threshold. The imbalance comes from T-Mobile, whose 56% address reach outpaces Frontier Fiber (31%) by 25 points. Even so, 2 of 2 providers cover 20% or more of local addresses, so checking the overlapping alternative before a contract renewal is usually worthwhile.

Speed Options

Internet speeds in Alamo Beach range from 25 Mbps to 2 Gbps. The fastest available plan is Frontier's 2 Gbps fixed service at $109.99/month. With 2 Gbps service, households can support 80+ simultaneous 4K streams, lag-free competitive gaming, and large file transfers without congestion. For most households, 200 Mbps plans from Frontier offer the best balance of speed and cost for everyday use.

Our Recommendation

For most Alamo Beach residents, we recommend starting with fiber internet if available at your address — HughesNet's 150 Mbps plan at $54.95/month offers the best combination of speed and value. For budget-conscious households, Frontier's 200 Mbps plan at $39.99/month delivers essential connectivity at a low monthly cost. Remote workers should prioritize Frontier Fiber's fiber service for its symmetrical upload speeds, which far exceed cable alternatives for video conferencing and cloud backups. Gamers should consider Frontier's 2 Gbps plan — the fastest download speeds help with large game downloads and updates. For households of 4+ people with multiple connected devices, Frontier's 2 Gbps plan at $109.99/month provides enough bandwidth for simultaneous streaming, gaming, and video calls. Always verify availability at your exact address, as coverage can vary block by block in Alamo Beach.