Do I need a phone jack for Internet?
You can install most types of internet (cable, fiber, fixed wireless, and satellite) without a phone jack, Jack. DSL typically does require a phone jack—but not phone service.
Can you plug internet into phone jack?
The high-speed Internet connection can be shared with your wireless-enabled devices, such as laptops and smartphones, using a wireless router. Plug your DSL modem into your phone jack using a standard phone cable, then plug your wireless router into the modem using an Ethernet cable to enable your wireless network.