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#1 Recommended Plan
1. Optimum 
Speeds Up To8 GbpsNot all internet speeds available in all areas.Connection: Cable, FiberAvailability: 84.9%LIMITED TIME OFFER FOR OPTIMUM CUSTOMERSExplore new holiday offers! Enjoy 500 Mbps+ internet, Netflix included for 1 year, and up to a $400 Visa® Prepaid MastercardNetflix: Avail. w/ 500 Mbps Internet & above. After promo period, plan auto-renews at $7.99/mo. Gift Card: Get a $100 w/ 1 Gig, $200 w/ 2 Gig, $300 w/ 5 Gig, or $400 w/ 8 Gig on a Visa® Prepaid Card when you add Video or Total Care and Whole Home Wifi. Add l terms apply. Offer ends at 1/10/26 at 11:59PM ET. See details. -
2. AT&T 
Speeds Up To300 MbpsIn rare cases, if your usage is contributing to congestion on the network, AT&T will greatly reduce your speed for a min. of 30 min.Connection: 5G InternetAvailability: 45.3% -
3. Verizon 
Speeds Up To940 MbpsNot all internet speeds available in all areas.Connection: 5G Internet, FiberAvailability: 79.9% -
4. T-Mobile 
Download Speeds:87 - 415 MbpsRely, All-In, and Amplified Internet plans can experience fast speeds with T-Mobile’s latest 5G gateway, delivering typical download speeds between 133 Mbps – 415 Mbps. 25% of our customers see speeds below and 25% see speeds above these ranges. T-Mobile Home Internet is delivered via 5G cellular network and speeds vary due to factors affecting cellular networks. See https://t-mobile.com/OpenInternet for additional details.Connection: 5G InternetAvailability: 12.1% -
5. EarthLink 
Speeds Up To940 MbpsNot all internet speeds available in all areas.Connection: FiberAvailability: 100% -
Hughesnet 
Speeds Up To100 MbpsNot all internet speeds available in all areas.Connection: SatelliteAvailability: 100% -
XNET WiFi 
Speeds Up To2 GbpsNot all internet speeds available in all areas.Connection: Fixed WirelessAvailability: 12.1% -
Starlink 
Download Speeds:350 MbpsNot all internet speeds available in all areas.Connection: SatelliteAvailability: 100%
Internet Providers in Cos Cob, CT
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Best Internet Providers in Cos Cob, CT
EarthLink Fiber dominates internet service in Cos Cob, Connecticut. Delivering download speeds of up to 940 Mbps through fiber connections, EarthLink covers 96.30% of the community. Plans start at $54.95 per month, balancing speed and coverage effectively. This blend makes EarthLink Fiber a prime choice for Cos Cob residents.
Verizon and Optimum also offer strong alternatives. Verizon's fiber internet reaches a maximum download speed of 940 Mbps and covers 79.50% of Cos Cob, starting at $49.99 per month. Its coverage is less extensive than EarthLink's, but its competitive pricing attracts many users. Optimum provides both cable and fiber options, boasting a maximum download speed of 5 Gbps. However, it covers only 40.60% of the area, with plans starting at $40 per month. For those within its service range, Optimum offers outstanding high-speed plans.
What’s a Good Internet Speed?
| Internet Speed | Appropriate For | Providers in your Area offering this Speed | Availability in your Area |
|---|---|---|---|
| 100 Mbps |
|
|
100% |
| 1000 Mbps (1 Gbps) |
|
|
84.85000000000001% |
Learn more about internet speeds:
Internet Coverage Map and Store Locations for Cos Cob, Connecticut
Provider Connection Types in Cos Cob, CT
| Connection Type | About this Connection Type | Availability in Cos Cob, CT |
|---|---|---|
| Satellite |
|
100% |
| Cable |
|
93.75% |
| Fiber |
|
77.12% |
Internet Providers in Cos Cob, CT
| Provider | Plans Starting At | Speeds Up To | Connections | |
|---|---|---|---|---|
| Optimum | $40/mo Prices may vary depending on the plan | 8 Gbps Not all internet speeds available in all areas. | Cable, Fiber | |
| AT&T Internet Air | $65/mo Prices may vary depending on the plan | 300 Mbps In rare cases, if your usage is contributing to congestion on the network, AT&T will greatly reduce your speed for a min. of 30 min. | 5G Internet | |
| Verizon | $35/mo Prices may vary depending on the plan | 940 Mbps Not all internet speeds available in all areas. | 5G Internet, Fiber | |
| EarthLink Fiber | $54.95/mo Prices may vary depending on the plan | 940 Mbps Not all internet speeds available in all areas. | Fiber | |
| Hughesnet | $39.99/mo Prices may vary depending on the plan | 100 Mbps Not all internet speeds available in all areas. | Satellite | |
| XNET WiFi | $65/mo Prices may vary depending on the plan | 2 Gbps Not all internet speeds available in all areas. | Fixed Wireless | |
| Starlink | $59/mo Prices may vary depending on the plan | 350 Mbps Not all internet speeds available in all areas. | Satellite |
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