(Madrid)
- 28000 through 28052- Madrid
- 28100, 28109 - Alcobendas
- 28120, 28700, 28701, 28707 through 28709 - San Sebastián de los Reyes
- 28120, 28707, 28770, 28780 - Colmenar Viejo
- 28220 - Majadahonda
- 28223, 28224 - Pozuelo de Alarcón
- 28230, 28232, 28290 - Las Rozas de Madrid
- 28300 - Aranjuez
- 28320 - Pinto
- 28340 - Valdemoro
- 28400, 28409 - Collado Villalba
- 28410 - Manzanares el Real
- 28500, 28529 - Arganda del Rey
- 28520, 28521, 28529 - Rivas-Vaciamadrid
- 28600, 28608 - Navalcarnero
- 28660, 28668, 28669 - Boadilla del Monte
- 28670, 28679 - Villaviciosa de Odón
- 28690 through 28692 - Villanueva de la Cañada
- 28760, 28761, 28790 - Tres Cantos
- 28800 through 28809 - Alcalá de Henares
- 28820 - Coslada
- 28830, 28831, 28850 - San Fernando de Henares
- 28850 - Torrejón de Ardoz
- 28860 - Paracuellos de Jarama
- 28900 through 28909 - Getafe
- 28910 through 28919 - Leganés
- 28920 through 28929 - Alcorcón
- 28930 through 28939 - Móstoles
- 28940 through 28949 - Fuenlabrada
- 28940, 28970 - Humanes de Madrid
- 28980 - Parla
Read more about this topic: List Of Postal Codes In Spain, 28000-28999