Internet Providers in Alton

Alton has two fiber providers, ClearWave and AT&T. Symmetric speeds of 7,000 Mbps are available in parts of the city.

Fiber

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
ClearWave	7,000	7,000	99%
AT&T	5,000	5,000	83%

Cable

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Spectrum	1,000	1,000	99%

DSL

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
AT&T	100	20	16%

Fixed Wireless

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Wisper ISP	400	30	89%
Verizon	300	20	82%
MINTernet	100	20	99%
T-Mobile	100	20	99%

Next-Gen Satellite

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Starlink	280	30	100%

Old-School Satellite

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

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Low-Availability Internet Options

Provider	TechnologyTech	Download (Mbps)	Upload (Mbps)	AvailabilityCoverage
Brightspeed	DSL/CopperDSL	80	10	1%
AT&T	Fixed WirelessFixed Wireless	25	3	0.7%

Broadband Map's availability estimates are based on the census boundaries of Alton. 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 Alton rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Alton ISPs' availability as of June 2025).