Business Internet Providers in Castle Pines, CO
The internet providers in Castle Pines, over what, and across how much of the city, based on what providers report. We quote and order service from these providers for you and coordinate the install, so you see your options side by side and one team handles the order.
- 36%of locations with Fiber reported
- 98%of locations with Cable reported
- 63%of locations with DSL reported
Fiber is reported at 36% of locations (Quantum Fiber). Cable at 98% (Xfinity). DSL over copper phone lines at 63%.
What can you get at your address?
Town figures are averages. Your street can be very different, so check the address itself.
Wired internet: fiber, cable and DSL
For most businesses the main connection. Fiber usually has the same speed up and down; cable and DSL upload much slower than they download.
| Provider | Type | Share of Castle Pines | Provider-reported speed (down / up) | Order or quote |
|---|---|---|---|---|
| Xfinity | Cable | 98% | Up to 1.2 Gbps / 35 Mbps | |
| CenturyLink | DSL (copper) | 63% | Up to 100 Mbps / 10 Mbps | |
| Quantum Fiber | Fiber | 35% | Up to 2 Gbps / 1 Gbps |
Fixed wireless and 5G internet
Service over the air from an antenna or a 5G router. Useful where wired choices are thin, or as a backup on a different network from your wired line. Verizon, AT&T and T-Mobile cellular internet can be ordered online now.
| Provider | Type | Share of Castle Pines | Provider-reported speed (down / up) | Order or quote |
|---|---|---|---|---|
| T-Mobile | Fixed wireless or 5G | 98% | Up to 25 Mbps / 3 Mbps | Order online |
| Kellin Communications | Fixed wireless or 5G | 70% | Up to 1 Gbps / 220 Mbps | |
| AT&T | Fixed wireless or 5G | 68% | Up to 25 Mbps / 3 Mbps | Order online |
| Xtream Internet | Fixed wireless or 5G | 66% | Up to 300 Mbps / 100 Mbps | |
| Verizon | Fixed wireless or 5G | 62% | Up to 25 Mbps / 6 Mbps | Order online |
| BAM Broadband | Fixed wireless or 5G | 51% | Up to 1 Gbps / 100 Mbps | |
| AERUX BROADBAND | Fixed wireless or 5G | 35% | Up to 100 Mbps / 100 Mbps |
Satellite: Starlink reports service across Castle Pines, as it does almost everywhere. 1 smaller provider reports service in parts of Castle Pines.
Cellular coverage, for backup or a main connection
The share of Castle Pines's area each carrier reports covering with 5G and 4G LTE. A cellular line on a different network keeps a business online when the wired line goes down.
| Carrier | 5G | 4G LTE | Order |
|---|---|---|---|
| Verizon | 95% | 100% | Order Verizon from us |
| AT&T | 95% | 100% | Order AT&T from us |
| T-Mobile | 93% | 98% | Order T-Mobile from us |
Get prices from these providers
Tell us the address and what runs on your internet (phones, card terminals, cameras, cloud software). We come back with business plans and prices side by side, including plans that are not listed here, then place the order and coordinate the install. Or call 623-307-5548.
Nearby in Douglas County
Business Internet in Castle Pines
Tell us the address and what you use the internet for. We'll come back with the options that serve you and what they cost.
Data as of December 31, 2025 (latest available), as providers report it to the FCC's National Broadband Map. The shares and typical speeds are our summary. "Locations" are the homes and businesses that can get internet service; a provider's share is the share of them where it reports service, and speeds are the maximums providers advertise. Business plans, prices and real speeds vary, so confirm at your address.