| Subject | English | Danish |
| med. | coding region | kodende sekvens |
| comp., MS | country/region code | landekode (A two-character sequence in an Internet domain name address that indicates the country/region in which a host is located) |
| el. | destination region code | kode for destinationsområde |
| el. | originating region code | oprindelsesområdekode |
| commun. | region code | regionspræfix |
| commun. | region code | regionspræfiks |