Port phone number not working

My ported phone number from AT&T to Xfinity is not working and it’s been more than 24 hours also I have gone into an Xfinity store for assistance but they did not fix the issue all they said is wait

i I need to be able to use my phone and number

[Edited: "Personal Information"]

please fix this issue so I can use my phone and make and receive phone calls and send messages