Peru Postal Codes Postal Codes of Peru:AmazonasAncashApurimacArequipaAyacuchoCajamarcaCallaoCuzcoHuancavelicaHuanucoIcaJuninLa LibertadLambayequeLimaLoretoMadre De DiosMoqueguaPascoPiuraPunoSan MartinTacnaTumbesUcayali About Peru Capital: Lima Currency: Sol (PEN) Languages: Spanish (official) 84.1%, Quechua (official) 13%, Aymara (official) 1.7%, Ashaninka 0.3%, other nati Population: 29,907,003 Area: 1,285,220 KM2