Best Internet Providers in Cobb, GA
Compare 9 internet providers serving 766,149 Cobb residents. Cable, fiber, 5G, and satellite plans are available across the Atlanta metro area.
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Mediacom 1-855-634-3222Quick Answer: Best Internet in Cobb
Mediacom is the most widely available wired provider in Cobb, GA, covering about 58% of the area with cable internet. AT&T Internet provides the best fiber option with symmetrical speeds up to 5 Gbps reaching roughly 37% of addresses. T-Mobile 5G Home Internet covers about 53% of Cobb at $40-50/month with no contracts. Windstream offers fiber in select areas.
Key Takeaways
- Best cable: Mediacom with ~58% coverage and speeds up to 1 Gbps
- Best fiber: AT&T Fiber with symmetrical speeds up to 5 Gbps
- Best wireless: T-Mobile 5G at $40-50/mo covering ~53%
- Best budget: Mediacom starting at $30/mo or T-Mobile at $40/mo
- 9 providers: Solid options in the Atlanta metro
Cobb Internet Providers Comparison
Verified providers serving Cobb as of February 2026. Coverage percentages are FCC estimates.
| Provider | Technology | Max Speed | Starting Price | Data Cap | Contract | Call Now |
|---|---|---|---|---|---|---|
| Mediacom | Cable | 1 Gbps | $30/mo | Varies | No | 1-855-634-3222 |
| AT&T Internet | Fiber/DSL | 5 Gbps | $55/mo | None | No | 1-855-850-5977 |
| T-Mobile 5G | 5G/Fixed Wireless | 245 Mbps | $40-50/mo | None | No | 1-844-275-9311 |
| Windstream | Fiber/DSL | 1 Gbps | $40/mo | None | No | 1-855-463-4357 |
| Verizon Fios | Fiber | 2 Gbps | $50/mo | None | No | 1-855-387-1456 |
| Starlink | LEO Satellite | 250 Mbps | $120/mo | Soft cap | No | Online only |
| HughesNet | Satellite | 100 Mbps | $39.99/mo | Limited | 2-year | 1-855-543-5405 |
| Viasat | Satellite | 150 Mbps | $39.99/mo | Unlimited*** | No | 1-855-463-9333 |
***Viasat Unleashed plan. Verizon 5G Home also available (~10% coverage).
Cobb Internet Providers: Detailed Reviews
Mediacom Internet in Cobb
~58% CoverageMediacom provides the widest wired coverage in Cobb County with cable service reaching about 58% of addresses. Plans start at $30/month for 100 Mbps and scale up to 1 Gbps. Mediacom is the go-to cable option across much of suburban Cobb.
Mediacom Cobb Plans
- Access Internet 100: 100 Mbps - $30/mo
- Connect Internet 200: 200 Mbps - $50/mo
- Xtream Internet 500: 500 Mbps - $70/mo
- Xtream Internet 1 GIG: 1 Gbps - $90/mo
Choose Mediacom If:
- You want the widest wired coverage in Cobb
- You need cable internet at an affordable starting price
Avoid If:
- You need symmetrical upload speeds for remote work
AT&T Internet in Cobb
~37% CoverageAT&T provides fiber and DSL service in roughly 37% of Cobb. Where fiber is available, speeds reach 5 Gbps symmetrical with no data caps. AT&T continues expanding fiber coverage across the Atlanta metro, including Cobb County.
Choose AT&T Fiber If:
- Fiber is available and you want the fastest speeds in Cobb
- You need symmetrical uploads for video calls and cloud storage
Avoid If:
- Only DSL is available at your address
T-Mobile 5G Home Internet in Cobb
~53% CoverageT-Mobile 5G covers about 53% of Cobb at $40-50/month with no contract, no data caps, and a 5-Year Price Guarantee. It fills gaps where cable and fiber coverage is limited, especially in suburban and transitional areas.
Choose T-Mobile If:
- You want contract-free wireless internet
- Wired options are unavailable at your address
Avoid If:
- You need speeds above 245 Mbps consistently
Windstream Internet in Cobb
~11% CoverageWindstream offers fiber and DSL service in select Cobb neighborhoods covering about 11% of the area. Where Kinetic fiber is available, plans start at $40/month for 500 Mbps with no data caps or contracts.
Choose Windstream If:
- Kinetic fiber is available and you want competitive fiber pricing
Avoid If:
- Only DSL (not fiber) is available at your address
Cobb Internet Speeds and Prices
| Speed Tier | Mediacom | AT&T Fiber | Windstream | T-Mobile 5G |
|---|---|---|---|---|
| 100-200 Mbps | $30-50/mo | - | - | $40-50/mo |
| 300 Mbps | - | $55/mo | - | - |
| 500 Mbps | $70/mo | $65/mo | $40/mo | - |
| 1 Gbps | $90/mo | $80/mo | $60/mo | - |
| 2+ Gbps | - | $110/mo | - | - |
Prices subject to change. Check provider websites for current offers.
How Much Speed Do You Need?
- 1-2 people, light use: 100-300 Mbps
- 3-5 people, moderate use: 500 Mbps
- Work from home + gaming: 1 Gbps
- Content creators: 2+ Gbps fiber
Learn more: How much internet speed do I need?
Internet Service in Cobb: What You Need to Know
Cobb at a Glance
- Population: 766,149
- CBSA: 11140 (Atlanta-Sandy Springs-Alpharetta)
- Fiber providers: AT&T, Windstream, Verizon Fios
- Cable providers: Mediacom
- 5G providers: T-Mobile, Verizon
Cobb Internet Market Overview
Cobb County is one of the largest suburban counties in the Atlanta metro. Mediacom provides the primary cable service while AT&T continues to expand fiber throughout the county. The presence of major employers near Marietta and Kennesaw drives demand for reliable high-speed internet.
T-Mobile 5G fills gaps in areas where wired infrastructure is still developing. Satellite options serve the more rural western portions of the county near Acworth and the Allatoona Lake area.
Internet by Cobb Area
- Marietta/East Cobb: AT&T Fiber and Mediacom widely available
- Kennesaw/Acworth: Mediacom cable; AT&T expanding fiber
- Smyrna/Vinings: AT&T Fiber and Mediacom compete
- Powder Springs/Austell: Mediacom primary; T-Mobile 5G available
Frequently Asked Questions About Cobb Internet
What is the best internet provider in Cobb, GA?
Mediacom has the widest cable coverage (~58%). AT&T Fiber provides the fastest speeds where available. T-Mobile 5G is the best wireless alternative.
Is fiber internet available in Cobb, GA?
Yes. AT&T Fiber covers about 37% of Cobb. Windstream offers fiber in ~11%. Verizon Fios covers approximately 10%.
How much does internet cost in Cobb, GA?
Most residents pay $40-80/month. Mediacom starts at $30/month. AT&T Fiber starts at $55/month. T-Mobile 5G costs $40-50/month.
What is the fastest internet in Cobb, GA?
AT&T Fiber offers up to 5 Gbps symmetrical. Mediacom cable reaches up to 1 Gbps. Windstream fiber provides up to 1 Gbps.
Is 5G home internet available in Cobb, GA?
Yes. T-Mobile covers about 53% of Cobb at $40-50/month. Verizon 5G Home covers approximately 10% of the area.
About the Author
Last Updated: February 7, 2026
Our team regularly reviews and updates this guide to ensure accuracy. Provider availability and pricing are verified quarterly using FCC data.
Editorial Disclosure
InternetProviders.ai is committed to providing accurate, unbiased information to help you choose the right internet service. Some of the providers listed on this page are partners who compensate us when you sign up through our links or phone numbers. This compensation may affect provider ordering but does not influence our ratings or recommendations. Our editorial team independently researches each provider. See our editorial guidelines and how we make money.