What does it mean guys 전화번호 안내?
I know only the 전화번호 part
btw 화재 안내? 
       시간 안내?
        날씨 안내?
Even though i translate it back and forth, it doesn't make sense to me bcs i've never heard of these

안내 - notice, noticement, announcement

전화번호 안내 means "directory assistance"
안내 means "guide"

Refer to https://dict.naver.com/vikodict/vietnamese/#/entry/kovi/3783335