1 city and 29 districts; The city Belgrade is the capital of the country and has special status equal to the districts. Each code consists of two parts, separated by a hyphen. The first part is RS, the ISO 3166-1 alpha-2 code of Serbia. The second part is either of the following: two letters: autonomous provinces; two digits: city and districts

ISO 3166-2:SV is the entry for El Salvador in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1 . Currently for El Salvador, ISO 3166-2 codes are defined

Currently for Argentina, ISO 3166-2 codes are defined for 1 city and 23 provinces. The city is the capital of the country and has special status similar to the provinces. Each code consists of two parts, separated by a hyphen. The first part is , the ISO 3166-1 alpha-2 code of Argentina. The second part is a letter, originally used in vehicle C4gJNw. 286 153 431 467 524 193

iso city codes 3 letter