Internet Options In Castle Rock

Castle Rock, CO has 19 residential internet options. Enter an address to filter providers by availability.

Downloadk and upload speed estimates are in megabits per second (Mbps).

Fiber

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Quantum Fiber	8,000	8,000	52%
CenturyLink	2,000	1,000	44%

Cable

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Xfinity	2,000	300	99%

DSL

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
CenturyLink	140	40	56%

Fixed Wireless

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
BAM	1,000	100	93%
Kellin Communications	300	50	100%
Verizon	300	20	98%
Aerux	100	100	78%
Xtream Internet	100	40	100%
T-Mobile	100	20	99%
AT&T	100	20	39%
Rise	100	20	10%

Next-Gen Satellite

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Starlink	220	30	100%

Old-School Satellite

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

Low-Availability Internet Options

Provider	TechnologyTech	Download (Mbps)	Upload (Mbps)	AvailabilityCoverage
Thrive	Fiber	2,000	2,000	<0.1%
Xfinity	Fiber	2,000	300	0.1%
Mountain	Fixed WirelessFixed Wireless	200	20	3%
Viaero Wireless	Fixed WirelessFixed Wireless	25	5	2%

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

Castle Rock Internet Options Map

Darker hexagons show areas of Castle Rock with more internet options. Select a hexagon to view internet options in a specific part of Castle Rock.

Data Sourcing

BroadbandMap's Internet availability information relies heavily on the May 2025 release from the FCC's Broadband Data Collection program (representing ISPs' availability as of December 2024).