🇸🇩Sudan (officially: Republic of the Sudan) is filed in ISO 3166-1 under alpha-2 code SD, alpha-3 code SDN and numeric code 729. Its international dialing code is +249 and its country-code top-level domain is .sd. The capital is Khartoum. Region: Africa.
Currency: SDG (Sudanese Pound).
The two-letter code appears in domains, locales (like en-SD), shipping and licence plates; the three-letter code in passports, finance and sport; the numeric code where Latin script is unavailable.