Oslo (Head office) Telephone number 21 58 50 00 E-mail Send e-post Postal / visiting address Nedre Skøyen vei 2 0276 Oslo Postal address Postboks 265 Skøyen 0213 Oslo Billing address Fakturamottak Postboks 198 Skøyen 0213 Oslo Regional director Johan Arntzen See map with all offices