Coverage · ZIP 98611
Internet Providers in Castle Rock, WA (98611)
There are 12 internet providers available in Castle Rock, WA (ZIP 98611), including Astound Fiber, ToledoTel, Xfinity. 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, WA (ZIP 98611)
There are 12 residential internet providers available in Castle Rock, WA (ZIP 98611), including Astound Fiber, ToledoTel, Xfinity. 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 |
|---|---|---|---|---|
| Astound Fiber | Fiber | 2 Gbps | 2 Gbps | 7% |
| ToledoTel | Fiber | 1 Gbps | 1 Gbps | 1% |
| Xfinity | Cable | 1.2 Gbps | 35 Mbps | 50% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 33% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 55% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 44% |
| US Cellular | 5G Home Internet | 25 Mbps | 3 Mbps | 57% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| Astound | DSL | 1 Gbps | 10 Mbps | 28% |
| CenturyLink | DSL | 80 Mbps | 10 Mbps | 55% |
Internet in Castle Rock, WA — common questions
How many internet providers are available in Castle Rock, WA?
There are 12 internet providers available in Castle Rock, WA (ZIP 98611), including Astound Fiber, ToledoTel, Xfinity. Availability varies by exact address.
What is the fastest internet available in 98611?
Astound Fiber offers the highest advertised download speed in Castle Rock, WA at up to 2 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Castle Rock, WA?
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.