Fiber Internet Service Providers

Fiber internet uses thin glass fibers to transmit data as light, allowing for incredibly fast internet speeds and high reliability. Available to over 195 million people, fiber internet covers approximately 58.5% of the U.S. population and is provided by 1,477 different ISPs. This widespread availability ensures that a significant portion of the population can access this advanced technology.

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With more than 2,100 active internet service providers across the United States, choosing the right one can be overwhelming. Start by entering your zip code or city above, or visit our internet providers by address page to find the best options tailored to your exact location.

Largest Fiber Internet Service Providers

These are the largest fiber internet service providers in the United States, ranked by the population they service. Click on each provider to view their availability.

Rank	ISP	Population Covered	Max Speed	Rating	Availability
1.		62,451,853	5,000 Mbps	3.86	Availability
2.		39,918,915	2,300 Mbps	3.93	Availability
3.		18,444,393	5,000 Mbps	3.71	Availability
4.		10,072,008	8,000 Mbps	3.26	Availability
5.		9,856,219	8,000 Mbps	3.67	Availability
6.		8,300,998	8,000 Mbps	3.92	Availability
7.		5,262,860	8,000 Mbps	4.31	Availability
8.		4,595,916	1,000 Mbps	3.50	Availability
9.		4,451,957	5,120 Mbps	4.26	Availability
10.		3,786,050	2,000 Mbps	3.84	Availability
11.		2,714,374	2,000 Mbps	4.06	Availability
12.		2,559,701	6,000 Mbps	4.23	Availability
13.		2,251,112	10,000 Mbps	3.44	Availability
14.		2,200,104	3,000 Mbps	4.11	Availability
15.		1,999,778	8,000 Mbps	3.56	Availability
16.		1,982,103	2,000 Mbps	3.97	Availability
17.		1,944,021	2,000 Mbps	2.50	Availability
18.		1,676,977	1,000 Mbps	N/A	Availability
19.		1,498,971	10,000 Mbps	3.75	Availability
20.		1,466,201	10,000 Mbps	4.33	Availability
21.		1,317,782	2,000 Mbps	4.5	Availability
22.		1,225,455	1,000 Mbps	3.91	Availability
23.		1,143,742	2,000 Mbps	3.21	Availability
24.		1,074,568	940 Mbps	3.83	Availability
25.		1,026,396	1,000 Mbps	4.00	Availability

While our database includes every provider in the United States, displaying them all in a giant table isn't practical. Instead, we've highlighted the top 25 providers. For more detailed research, we encourage you to search by your city or address.

Fastest Fiber Internet Service Providers

These are the fastest fiber internet service providers in the US that service 100,000 customers or more. Compare their maximum available speeds, the speed weighted by customer access, and our customer speed ratings.

Rank	ISP	Max Download Speed	Weighted Max Download Speed	Speed Rating	Availability
1.		25,000 Mbps	25,000 Mbps	4.45	Availability
2.		40,000 Mbps	14,256 Mbps	N/A	Availability
3.		10,000 Mbps	10,000 Mbps	4.5	Availability
4.		10,000 Mbps	10,000 Mbps	N/A	Availability
5.		10,000 Mbps	10,000 Mbps	3.63	Availability
6.		10,000 Mbps	10,000 Mbps	4.5	Availability
7.		10,000 Mbps	10,000 Mbps	N/A	Availability
8.		10,000 Mbps	10,000 Mbps	5.00	Availability
9.		10,000 Mbps	10,000 Mbps	N/A	Availability
10.		10,000 Mbps	10,000 Mbps	N/A	Availability
11.		10,000 Mbps	10,000 Mbps	N/A	Availability
12.		10,000 Mbps	10,000 Mbps	N/A	Availability
13.		10,000 Mbps	9,012 Mbps	N/A	Availability
14.		8,000 Mbps	8,000 Mbps	N/A	Availability
15.		8,000 Mbps	6,594 Mbps	3.47	Availability
16.		6,000 Mbps	6,000 Mbps	5.00	Availability
17.		10,000 Mbps	5,749 Mbps	4.67	Availability
18.		8,000 Mbps	5,648 Mbps	4.44	Availability
19.		10,000 Mbps	5,429 Mbps	5.00	Availability
20.		6,000 Mbps	5,284 Mbps	4.24	Availability
21.		5,120 Mbps	5,120 Mbps	4.46	Availability
22.		5,000 Mbps	5,000 Mbps	4.67	Availability
23.		5,000 Mbps	5,000 Mbps	5.00	Availability
24.		5,000 Mbps	5,000 Mbps	N/A	Availability
25.		5,000 Mbps	5,000 Mbps	N/A	Availability

We excluded smaller providers from this list because most people aren’t interested in the fastest provider if the service isn’t widely available. For detailed results, please search by your city or address above. Interested to see how your current connection speed compares? Use our internet speed test tool to find out.

Fiber Internet Speed and Performance

Fiber internet stands out due to its high-speed capabilities. With a weighted maximum download speed of 3,381 Mbps and a weighted maximum upload speed of 3,330 Mbps, fiber internet is capable of supporting the most demanding online activities. Some providers offer maximum speeds of up to 100,000 Mbps for both downloads and uploads, making fiber the best choice for activities like streaming, gaming, and remote work.

Fiber Internet Reliability

The reliability of fiber internet is also noteworthy, with 58.5% of service blocks maintaining low latency, defined as under 100 milliseconds. For 148.6 million people, fiber is the fastest available internet technology, which accounts for 75.9% of its coverage area. This high performance and reliability make fiber a highly preferred option.

Fiber Internet Customer Satisfaction

Customer satisfaction with fiber internet is high, with an average rating of 4.19 out of 5, based on reviews from 240 providers. This reflects the technology's ability to deliver consistently excellent service.