We canceled our landline service about ten years ago. In addition to its lack of use, it kept developing static during rainy weather. I think the company was already minimizing their maintenance of this nearly obsolete infrastructure.
About four years ago, we had fiber run to the house by the same company. After they had left, I was taken back to notice that they had removed the outside telephone connection box and cut all the wiring off flush with the outside bricks. All this was with no questions asked.
On hindsight, I think I had lost the option to reactivate my traditional landline a good while ago. If I decided I wanted a landline again, they would sell a VOIP solution, using the fiber.