Postal codes in Indonesia, known in Indonesian as kode pos consist of 5 digits. * The first digit indicates the region in which a given post office falls in, * The second and third digits indicate the regency (kabupaten) or city (kota), * The fourth digit indicates the district or kecamatan within the kabupaten or kota, * The fifth digit indicates the commune or village or kelurahan/desa. There is an exception for Jakarta postal codes: * The third digit indicates the district (kecamatan) * The fourth digit indicates the subdistrict (kelurahan) * The fifth digit is a "0".