Internet providers in Marietta, Georgia
Marietta is in Cobb County, Georgia, and has 7 ZIP codes. Available providers can differ from one ZIP code to the next, so pick yours below.
Xfinity reports service to the most residential locations in Marietta, about 99%. 4 providers report coverage of at least half of locations (Xfinity, AT&T, Verizon, and T-Mobile Home Internet), so the market looks competitive. T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
Our picks for internet in Marietta
- Widest coverage: Xfinity (about 99% of locations)
- No-install wireless option: T-Mobile Home Internet (about 55% of locations)
Picks are based on the share of locations each provider reports serving, not on price or customer reviews.
ZIP codes in Marietta
Compare internet providers in Marietta, Georgia
Share of residential locations in Marietta where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | Xfinity | Cable | 99% | |
| 2 | AT&T | Fiber, DSL, Fixed wireless | 77% | Check availability |
| 3 | Verizon | Fiber, Fixed wireless | 55% | Check availability |
| 4 | T-Mobile Home Internet | Fixed wireless | 55% | |
| 5 | Spectrum | Fiber, Cable | 2% | |
| 6 | Google Fiber | Fiber | 1% | |
| 7 | Point Broadband Fiber Holding | Fiber, Fixed wireless | <1% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What technologies are available in Marietta?
Fiber reaches about 30% of locations in Marietta, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 99% of locations. DSL is still reported for about 36% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 74% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Marietta that providers report they can serve. City-level figures, not your address.
Best-connected ZIP codes in Marietta
Frequently asked questions
Is fiber internet available in Marietta?
Yes, in part. About 30% of residential locations in Marietta can get fiber, 99% can get cable, and about 99% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Marietta?
Xfinity reports service to about 99% of residential locations in Marietta, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Marietta?
4 providers report service to at least 2% of locations in Marietta, and 4 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in Marietta?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.