Sounds like there might have been a change done from the technician here, sorry that you have lost your service
It's best to complete some basic troubleshooting just in ccase this isn't the reason for your lost of service:
-Check wall sockets, power cables and your modem equipment is plugged in, clear from obstructions, and are not damaged
-Try alternate cabling if available, and/or replace damaged cabling.
Other troubleshooting should also be done following This Article
I'd really recommend getting in touch with our team on Messenger so we can take a look. if the above doesn't resolve the issue
Please note, our Messaging team are currently experiencing delays
Ask to speak to a human, then leave your full name and the information about the issue in the messenger window