"passport number" in German passport number Passnummer Detailed translations for "passport number" passport number passport number die Passnummer{feminine} My client's passport number Is 1-9-8-7-7-2-4. Source: opensubtitles.org Corpus by OPUS Request review Die Passnummer meines Clienten ist 1-9-8-7-7-2-4. You just need to write your passport number here. Source: opensubtitles.org Corpus by OPUS Request review Da musst du deine Passnummer eintragen.