Best Internet Providers in Marietta, GA (2026)
Last updated: May 2026
Marietta's internet landscape is dominated by Xfinity, which covers 95% of the city — the widest coverage of any provider here. AT&T Fiber is the better performer where available (51% of the city), and Spectrum fills in as a budget cable option at 24% coverage.
Our top pick
4.3
LOGO
Xfinity
Up to 2 Gbps | 95% city coverage · From $40/mo
Reliable service, transparent pricing, and consistently strong reviews from Marietta customers.
Get this deal →Compare top providers
| Provider | Monthly cost | Details | Independent rating | Link |
|---|---|---|---|---|
| Xfinity | From $40/mo | Up to 2 Gbps | 95.3% coverage | J.D. Power: 587 · #3 South Region | View → |
| AT&T Fiber | $34–$55/mo | Up to 5 Gbps fiber | 51% coverage | J.D. Power: 595 · #2 South Region | View → |
| Spectrum | From $30/mo | Up to 2 Gbps cable | 24% coverage | Trustpilot: 3.8/5 | View → |
Ratings: J.D. Power 2025 U.S. Residential Internet Service Provider Satisfaction Study, South Region (Georgia). Scale of 1,000 points. Released October 2025.
Pros & cons: Xfinity
Pros
- Widest coverage in Marietta at 95% of addresses
- Fast speeds up to 2 Gbps
- Bundling available with TV and mobile
Cons
- Upload speeds are slower than AT&T Fiber
- Promotional pricing increases after 12 months
- Customer service can be inconsistent
Frequently asked questions
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