| Place | Post Code |
|---|---|
| Argentina, Mercedes | 70602 |
| Bremen, Mercedes | 70602 |
| Confianza, Mercedes | 70602 |
| Iroquois, Mercedes | 70602 |
| Mercedes, Mercedes | 70602 |
| All postal codes in Guácimo | |
|---|---|
| Duacarí, Guácimo | |
| Guácimo, Guácimo | |
| Mercedes, Guácimo | |
| Pocora, Guácimo | |
| Río Jiménez, Guácimo | |