Phoenix, AZ vs San Antonio, TX: internet compared

By the BroadbandByZIP editorial team · Updated September 2026 · How we make money

Thinking of moving between Phoenix and San Antonio? Here is how home internet compares in the two cities, based on FCC data as of December 31, 2025 and Census statistics.

San Antonio, TX leads for fiber availability (72% vs 27%). San Antonio, TX leads for gigabit-class availability (86% vs 73%).

Phoenix, AZSan Antonio, TX
Residents1,624,8321,458,954
Median household income$77,041$62,917
Can get fiber27%72%
Can get cable74%94%
Can get DSL55%23%
Can get fixed wireless98%83%
Can get gigabit73%86%
Households with broadband90%89%

Top providers

Phoenix, AZSan Antonio, TX
Cox: 89%Spectrum: 94%
CenturyLink / Quantum Fiber: 86%AT&T: 76%
Wi-Fiber: 77%Verizon: 69%
T-Mobile Home Internet: 70%T-Mobile Home Internet: 65%
AT&T: 56%Google Fiber: 32%

Coverage percentages are the share of residential locations where each provider reports service. Availability varies by address.

Check a specific address area

Internet in Phoenix, AZ · Internet in San Antonio, TX · Compare any two ZIP codes · Rankings

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