Coverage · ZIP 80104
Internet Providers in Castle Rock, CO (80104)
There are 17 internet providers available in Castle Rock, CO (ZIP 80104), including AERUX BROADBAND, Quantum Fiber, CenturyLink Fiber. Compare each provider below by technology, maximum advertised speed, and area coverage, then call (833) 261-0564 for help choosing a plan. Coverage data is sourced from the FCC National Broadband Map.
Internet providers in Castle Rock, CO (ZIP 80104)
There are 17 residential internet providers available in Castle Rock, CO (ZIP 80104), including AERUX BROADBAND, Quantum Fiber, CenturyLink Fiber. The table below lists each provider with its technology type, maximum advertised speeds, and area coverage, sourced from the FCC National Broadband Map.
| Provider | Technology | Max download | Max upload | Area coverage |
|---|---|---|---|---|
| AERUX BROADBAND | Fiber | 10 Gbps | 10 Gbps | 0% |
| Quantum Fiber | Fiber | 8 Gbps | 8 Gbps | 16% |
| CenturyLink Fiber | Fiber | 1 Gbps | 1 Gbps | 12% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 79% |
| Kellin Communications | 5G Home Internet | 1 Gbps | 220 Mbps | 78% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 52% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 81% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 73% |
| BAM Broadband | Fixed Wireless | 1 Gbps | 100 Mbps | 64% |
| Xtream Internet | Fixed Wireless | 500 Mbps | 100 Mbps | 17% |
| Force Broadband | Fixed Wireless | 300 Mbps | 40 Mbps | 0% |
| AERUX BROADBAND | Fixed Wireless | 100 Mbps | 100 Mbps | 27% |
| Rise Broadband | Fixed Wireless | 50 Mbps | 10 Mbps | 2% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| CenturyLink | DSL | 140 Mbps | 100 Mbps | 76% |
Internet in Castle Rock, CO — common questions
How many internet providers are available in Castle Rock, CO?
There are 17 internet providers available in Castle Rock, CO (ZIP 80104), including AERUX BROADBAND, Quantum Fiber, CenturyLink Fiber. Availability varies by exact address.
What is the fastest internet available in 80104?
AERUX BROADBAND offers the highest advertised download speed in Castle Rock, CO at up to 10 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Castle Rock, CO?
Enter your ZIP code on Ziatan to see every provider serving your block, then call (833) 261-0564 for help comparing plans and pricing — free, with no signup required.