Call and speak with tech or customer solutions. Request that they submit a request for burying the line, they can do that real time if the department that handles it is open via chat, or they may have to submit a ticket. But keep in mind that burying lines can take a little while to get done as they have to get the proper equipment and the proper permits to dig. If it's for an aerial line, they still have to get a bucket truck.
No need to call in. I can help make this right. In order assist you, please send me a private message verifying your first and last name, street address including city state and zip code, and the full account number or phone number associated with your services.
To send a private message click on my name "ComcastChe", then click private message me.
I'm sorry it took so long to figure that out, but am definitely happy that they finally figured out what the cause of your problem is. If you change your mind, reach out if you need us in the future. Take care.