Internet Providers in Sun Prairie

Sun Prairie has multiple fiber providers, including TDS Telecom and Frontier. Symmetric speeds of 8,000 Mbps are available in parts of the city.

Fiber

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
TDS Telecom	8,000	8,000	100%
Frontier	7,000	7,000	19%
Spectrum	1,000	500	6%

Cable

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Spectrum	1,000	35	93%

DSL

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Frontier	115	7	73%

Fixed Wireless

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Verizon	300	20	100%
UpNetWI	100	30	88%
LiteWire	100	25	67%
MINTernet	100	20	100%
T-Mobile	100	20	100%
US Cellular	100	20	100%
Bertram Communications	100	20	92%
AT&T	100	20	76%

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%

---

Low-Availability Internet Options

Provider	TechnologyTech	Download (Mbps)	Upload (Mbps)	AvailabilityCoverage
AT&T	Fiber	5,000	5,000	<0.1%
UpNetWI	Fiber	1,000	400	0.2%

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

---

Data Sourcing

Broadband Map's listings of internet providers in Sun Prairie rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Sun Prairie ISPs' availability as of June 2025).