Internet Providers in Danbury

Danbury has multiple fiber providers, including Frontier and GoNetspeed. Symmetric speeds of 7,000 Mbps are available in parts of Danbury.

Fiber

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Frontier	7,000	7,000	99%
GoNetspeed	2,000	2,000	77%
Xfinity	2,000	250	8%

Cable

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Xfinity	2,000	2,000	99%

DSL

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Frontier	115	7	98%

Fixed Wireless

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Verizon	300	20	92%
T-Mobile	100	20	99%
AT&T	100	20	98%

Next-Gen Satellite

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Starlink	280	30	99%

Old-School Satellite

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
HughesNet	100	5	99%
Viasat	50	3	99%

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Low-Availability Internet Options

Provider	TechnologyTech	Download (Mbps)	Upload (Mbps)	AvailabilityCoverage
Optimum	Fiber	8,000	8,000	<0.1%
Verizon	Fiber	980	880	0.2%
Spectrum	Cable	1,000	1,000	3%
Optimum	Cable	940	35	0.3%

Broadband Map's availability estimates are based on the census boundaries of Danbury. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.

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Data Sourcing

Broadband Map's listings of internet providers in Danbury rely primarily on the May 2026 release from the FCC's Broadband Data Collection program (representing Danbury ISPs' availability as of December 2025).