German phrase
Für wie viele Zonen gilt ~?
Meaning
How many zones is ___ valid for?
When to use it
Asks about zone coverage. Use it to check a ticket's valid travel area politely.
Example dialogue
Für wie viele Zonen gilt das Tagesticket?
How many zones is the day ticket valid for?
Es gilt für zwei Zonen.
It is valid for two zones.