Postal codes in Chile are 7 digit numeric, grouped as NNNNNNN. It is administered by Correos de Chile.
1xx Northern Chile (Regions XV, I, II, III and IV)
2xx V Region of Valparaíso
3xx Central Chile (Regions VI and VII, plus the Ñuble Province at Region VIII)
4xx VIII and IX Region (except Ñuble Province)
5xx XIV and X Region
6xx Southern Chile (Regions XI and XII)
7xx Eastern Santiago (Municipalities of Providencia, Las Condes, Vitacura, Lo Barnechea, Ñuñoa, La Reina, Macul and Peñalolén)
8xx Metropolitan Santiago (all municipalities in Santiago Province except those above mentioned, plus the municipalities of San Bernardo and Puente Alto).
9xx Rest of Santiago Metropolitan Region (Provinces of Chacabuco, Cordillera (except Puente Alto), Maipo (except San Bernardo), Melipilla and Talagante).
