Things that are found on the means of transport are taken care of by the conductor who passes these on to the lost property office. The things are normally handed in the next workday. Which lost property office you should visit, depends upon the means of transport you used. Below you will find an overview of the various lost property offices in Oslo and Akershus.
Metro, tram and city bus in Oslo
All things left behind on metros, trams and buses in Oslo, end up in the lost property office at National Theatre metro station (just inside the entrance doors of the westbound metro lines). You may call in advance.
Telephone: 22 08 53 61
E-post: 
Opening hours: 08:00 - 18:00 (Monday - Friday).
Exception: If you leave something behind on the bus lines 45, 46 or 47 you may call 93 09 42 06.
If you forgot something on Ruter’s green, three-digit bus lines in Akershus the lost property ends up with the local bus company. Select the line number below for details.
Ferries in Oslo and Akershus
The Bygdøy ferries (line 91)
Lost property from the Bygdøy ferries during the summer season is kept by Båtservice.
Telephone: 23 35 68 90. Opening hours: 09:00 - 16:00 (Monday - Friday).
The island ferries (line 92, 93 and 94)
Lost property from the ferries to the islands in the Oslo fiord is kept by the Oslofergene.
Telephone: 23 32 77 80. Opening hours: 09:00 - 16:00 (Monday - Friday).
The Nesodden boats (line 256, 601, 602 and 716)
The Ruter point of service at Aker Brygge keeps lost property from the Nesodden boats.
Telephone: 22 83 22 77. Opening hours: 07:00 - 19:00 (Monday - Friday), 10:00 - 18:00 (Saturday).
NSB's local and regional trains
NSB’s lost property office at Oslo S keeps lost luggage for the local trains for Eastern Norway, the Vestfoldbanen, the Østfoldbanen and regional trains stopping in Oslo.
Telephone: 815 68 340. Opening hours: 07:00 - 16:45 (Monday - Friday).
Airport coach and airport train
Several traffic companies offer airport transport. Each company has its own lost property office.
Click on the company name below to visit the company web page:
Flybussekspressen | Flytoget | Ryggeekpspressen | SAS Flybussen | Torpekpspressen