| Locality | Post Code |
|---|---|
| Carmelita, San Andrés | 17018 |
| Paso Caballos, San Andrés | 17016 |
| San Andrés, San Andrés | 17004 |
| Petén Postal Codes | |
|---|---|
| Sayaxché | Santa Ana |
| San Luis | San José |
| San Francisco | San Benito |
| San Andrés | Poptún |
| Melchor de Mencos | Las Cruces |
| La Libertad | Flores |
| Dolores | |