| Localité | Code postal |
|---|---|
| 7 de Abril, Pellegrini | G4197 XCQ |
| Agua Amarga, Pellegrini | G4197 XAS |
| Agua Azul, Pellegrini | G4189 XAA |
| Ahí Veremos, Pellegrini | G4197 XAT |
| Algarrobal Viejo, Pellegrini | G4197 XAZ |
| Armonía, Pellegrini | G4353 XCQ |
| Babilonia, Pellegrini | G4301 XDQ |
| Bagual Muerto, Pellegrini | G4197 XAR |
| Belgrano, Pellegrini | G4197 XAF, G4197 XAQ |
| Bobadal, Pellegrini | G4187 XAT |
| Brandan, Pellegrini | G4197 XBA |
| Buen Lugar, Pellegrini | G4197 XBB |
| Campo Amarillo, Pellegrini | G4189 XAB |
| Campo Grande, Pellegrini | G4189 XAO |
| Casa Verde, Pellegrini | G4301 XDR |
| Copo Viejo, Pellegrini | G4189 XAC |
| Corral Quemado, Pellegrini | G4197 XBE |
| El Balde, Pellegrini | G4197 XBF |
| El Baldecito, Pellegrini | G4197 XBR |
| El Cajón, Pellegrini | G4189 XAD |
| El Cambiado, Pellegrini | G4187 XAR |
| El Diablo, Pellegrini | G4197 XBT |
| El Durazno, Pellegrini | G4187 XAP |
| El Florido, Pellegrini | G4197 XBG |
| El Gramillar, Pellegrini | G4197 XAI |
| El Mojón, Pellegrini | G4195 |
| Codes postaux en Santiago del Estero | |
|---|---|
| Silípica | Sarmiento |
| Salavina | Río Hondo |
| Robles | Rivadavia |
| Quebrachos | Pellegrini |
| Ojo de Agua | Moreno |
| Mitre | Loreto |
| Juan Felipe Ibarra | Jiménez |
| Guasayán | General Taboada |
| General San Martín | Figueroa |
| Copo | Choya |
| Capital | Belgrano |
| Banda | Avellaneda |
| Atamisqui | Alberdi |
| Aguirre | |