| Subject | English | Hungarian |
| comp., MS | country code | országhívószám (In telephony, the one-, two-, or three-character sequence that represents the country/region being called) |
| comp., MS | country code | országkód (A two-character sequence in an Internet domain name address that indicates the country/region in which a host is located) |
| commun., IT, tech. | country-code Top-Level Domain | országkód szerinti felső szintű domain |