The current postal code system in Uruguay uses a five digit format.
| Department | Postal Code Prefix |
|---|---|
| Artigas | 50xxx,55xxx |
| Canelones | 14xxx,15xxx,16xxx,90xxx,91xxx,96xxx |
| Cerro Largo | 35xxx,36xxx,37xxx |
| Colonia | 70xxx,75xxx |
| Durazno | 97xxx |
| Flores | 85xxx,94xxx |
| Florida | 90xxx,94xxx,95xxx,96xxx,97xxx,98xxx |
| Lavalleja | 30xxx,34xxx |
| Maldonado | 20xxx |
| Montevideo | 11xxx,12xxx,13xxx |
| Paysandú | 45xxx,60xxx |
| Río Negro | 60xxx,61xxx,65xxx |
| Rivera | 40xxx,41xxx |
| Rocha | 27xxx |
| Salto | 50xxx |
| San José | 80xxx |
| Soriano | 75xxx |
| Tacuarembó | 45xxx |
| Treinta y Tres | 30xxx,31xxx,33xxx,35xxx |