South Congress Austin (78704) Internet Overview
South Congress (ZIP 78704) is one of Austin's most iconic ZIP codes, encompassing the famous South Congress Avenue strip, Bouldin Creek, Travis Heights, Zilker, Barton Hills, and Galindo. It's a densely populated, highly sought-after ZIP code attracting creative professionals, remote workers, and families.
For internet service, 78704 is well-served. AT&T Fiber covers 84.7% of addresses according to BroadbandNow. Google Fiber is actively expanding in the area. Spectrum cable covers 92.8% of Austin broadly. Astound Broadband also has coverage in parts of South Austin/South Congress.
Top Internet Providers in South Congress (78704)
**AT&T Fiber** leads with 84.7% coverage in 78704. Plans start at $55/month for 300 Mbps fiber with symmetrical upload. Real-world Austin average: 354 Mbps download. Best choice for most 78704 residents.
**Google Fiber** is expanding in South Congress. Where available, the 1 Gig plan at $70/month is Austin's best-rated service (6 awards in HighSpeedInternet.com's 2026 review). Austin averages 387 Mbps real-world on Google Fiber according to Speedtest.net.
**Astound Broadband** provides fiber and cable coverage in South Austin. Plans from $40/month with speeds up to 2 Gbps. Good alternative where AT&T Fiber or Google Fiber isn't available.
**Spectrum** cable covers most of South Austin. No contracts, plans from $30/month for 300 Mbps. Real-world speeds average 293 Mbps in Austin per Speedtest.net. Best for budget-conscious households.
Coverage by Sub-Neighborhood in 78704
**Bouldin Creek:** One of Austin's tightest-knit neighborhoods. AT&T Fiber is strong here. Google Fiber is expanding. Historic bungalows on narrower streets may have variable coverage — check your address.
**Travis Heights:** Excellent infrastructure along E Riverside and S Congress corridors. Both AT&T Fiber and Spectrum are reliable here. Google Fiber expanding into Travis Heights.
**Zilker:** The Zilker neighborhood, adjacent to Barton Springs Pool, has solid AT&T Fiber coverage. The proximity to major roads (Barton Springs Rd, Lamar) means good infrastructure investment.
**Barton Hills:** Strong AT&T Fiber coverage in this quiet residential area west of South Lamar. Less Google Fiber penetration currently but expanding.
**South Congress Avenue commercial corridor:** If you're in an apartment above or near the main SoCo strip, expect excellent coverage from multiple providers due to the commercial infrastructure in the area.
Our 78704 Recommendation
South Congress residents: check Google Fiber first (fiber.google.com) — if available at your address, it's Austin's best-rated provider. If not, AT&T Fiber at 84.7% coverage is the most likely fiber option. Astound Broadband is worth checking for competitive pricing. Spectrum is the reliable backup at 92.8% Austin coverage.
For remote workers in Bouldin Creek or Travis Heights: prioritize fiber (AT&T or Google Fiber) for the symmetrical upload speeds that make video conferencing smooth. Spectrum's 19 Mbps average upload will feel limiting if you're on multiple video calls daily.
Frequently Asked Questions
What internet providers are in Bouldin Creek Austin?
Bouldin Creek (78704) is served by AT&T Fiber (84.7% coverage, up to 5 Gbps, from $55/mo), Google Fiber (expanding, up to 8 Gbps, from $70/mo), Astound Broadband (up to 2 Gbps, from $40/mo), and Spectrum cable (92.8% coverage, up to 1 Gbps, from $30/mo).
Is AT&T Fiber available in Travis Heights Austin?
Yes. AT&T Fiber covers approximately 84.7% of addresses in 78704, which includes Travis Heights. Plans start at $55/month for 300 Mbps. Check att.com for your specific address as coverage can vary by street.
Does South Congress Austin have fiber internet?
Yes. South Congress Austin (78704) has excellent fiber internet coverage. AT&T Fiber covers 84.7% of the area. Google Fiber is expanding here. Astound Broadband also offers fiber in parts of South Austin. Fiber internet plans start from $40–$55/month depending on the provider.