Internet Providers in San Diego, TX
ZIP code 78384 · 4 providers
Cable internet is provided by Spectrum. Based on M-Lab speed tests, AT&T customers in 78384 see a median download of 46 Mbps — 46% of the advertised speed. Plans start at $30/mo.
A single 0–100 rating for 78384 from real speed tests, provider choice, price value, and latency — data most comparison sites don't show.
How 78384 compares to nearby areas
Internet quality can change street to street. Here's how neighboring ZIP codes score.
Frequently asked questions
4 providers serve San Diego, TX 78384: Spectrum, Verizon, T-Mobile, AT&T. Availability varies by exact street address — enter your address on the provider's site to confirm.
Spectrum advertises the highest speed in this ZIP at 1 Gbps via cable.
Fiber optic is not currently listed by the FCC as available in 78384. Cable and wireless options are available.
Guides
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How Much Internet Speed Do You Actually Need?
Most households are paying for 3–10x more than they use
Advertised vs Real Internet Speeds
The gap between the ad and your actual connection — measured, not estimated
The Cheapest Internet Plans, Compared Honestly
Standard published rates — not promotional prices that double after a year
Coverage: FCC Broadband Data Collection · Speeds: M-Lab NDT (24-month median) · Updated 2026-07-12