About postal code 78603
The postal code 78603 routes mail to Santa María in the San Luis Potosí region of Mexico. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
Mexico · Postal code
78603 - Santa María
Postal code 78603 is Santa María in San Luis Potosí, Mexico.
| Postal code | 78603 |
| Place | Santa María |
| Region | San Luis Potosí |
| District | Salinas |
| Country | Mexico (MX) |
| Coordinates | 22.7354, -101.5989 (map) |