Property found at the airport (regardless of terminal) is administered by Bagport on level 1 in Terminal 5.
Bagport - contact:
Register lost property at Bagport's website (new window)Contact information at Bagport's website (new window)
Desk opening hours: every day 06:00-22:00
Lost property Arlanda Express website (new window)
Contact SL: tel +46 8 600 10 00Lost and found SL website
Contact ULLost and found UL website
Lost and found Bagport website
Contact Flygbussarna on telephone: +46 (0) 8 122 070 80.
Contact Upplands Lokaltrafik on telephone: +46 (0)18 65 99 20.
AirlinesAirlines - list of contact details