The information below is taken directly from the Norwegian Customs website
Opening hours
Always open, but please note that our service is limited outside ordinary office hours (Monday to Friday between 08.00 and 15.30). Please read more in the section «Tasks».
Office address
Passenger terminal, Oslo Airport Gardermoen, ground floor (arrivals); right next to international arrivals.
Telephone
+47 22 86 03 12
You're always welcome to reach out to us via chat if you have any questions! 😊