Called number showing NBN Co, saying they were from Compare and Select energy providers (which doesn't exist) trying to persuade me to change internet broadband. Took name, address and email, no bank details but defs scammer. Number not in service

Ringing ended before answer.

Calling back got "this number is not in service "

Caller: No idea

It stopped ringing before I picked it , called it back to find out it’s not in service??

scammer

it shows NBN connection and I called back "this number is not in service"