Filter, where certain line is missing

Uh, im a little puzzled by this one. Since i'm no Excel specialist, maybe someone of You has an open mind and an easy way to do this.

Basically, column A has phone numbers, column B has services associated with them. Since some numbers have more services, they have multiple occurences.

I want to show only phone numbers, where certain service doesnt exist (oh, and no duplicates)

I'm attaching a sample file, where i want to show only phone numbers, where "service 2" line is missing from.

Maybe reverse it somehow? Show numbers, where this service exists and then reverse somehow?

Any advice and guides are welcome

Thank You,
Rain