10203 is the Postal Code/ZIP Code for the District of San Rafael in the Costa Rica Province of San José and the Canton of Escazú. The neighborhoods of Ayala, Bajo Anonos, Bajo Palomas, Bello Horizonte, Betina, El Mirador, Facio Castro, Guachipelín, Herrera, La Ceiba, Las Quebradas, Laureles, Laureles Este, León, Loma Real, Lomas de Escazú, Los Anonos, Los Ángeles, Matapalo, Maynard, Miravalles, Monte Roca, Palermo, Palma de Mayorca, Pinar, Primavera, Quesada, Real de Pereira, Santa Marta, Tena, Trejos Montealegre and Vista Alegre are located in Postal Code 10203.