| Place | Post Code |
|---|---|
| Collana, Collana | None |
| Comunidad Collana, Collana | None |
| Comunidad Hichuraya Chico, Collana | None |
| Comunidad San Nicolas, Collana | None |
| Uncallamaya, Collana | None |
| All postal codes in Aroma | |
|---|---|
| Ayo Ayo, Aroma | |
| Calamarca, Aroma | |
| Collana, Aroma | |
| Colquencha, Aroma | |
| Patacamaya, Aroma | |
| Sica Sica, Aroma | |
| Umala, Aroma | |