Contact us
The office is open from 8 am – 3 pm in the period from May 15 to September 14, and from 8 am – 3.45 pm for the rest of the year.
E-mail: post@LDO.no
Do not send sensitive information by e-mail. Enquiries via e-mail should include a full name and address, but no other personal information, such as date of birth and national insurance number, cf. Personal Data Act §2 no. 1 and no. 8.
Green number: 800 41 556
Telephone: 23 15 73 00
Fax: 23 15 73 01
You can also send SMS to mobile phone number 95 92 05 44.
Visiting address
13 Mariboesgt, 4th floor. See map
Postal address
Postbox 8048 Dep
N-0031 Oslo
Norway