| Place | Post Code |
|---|---|
| Araca, Ayo Ayo | None |
| Ayo Ayo, Ayo Ayo | None |
| Calacachi, Ayo Ayo | None |
| Centro Araca, Ayo Ayo | None |
| Collana, Ayo Ayo | None |
| Collana Tolar, Ayo Ayo | None |
| Comunidad Alto Pomani, Ayo Ayo | None |
| Khala Mullo, Ayo Ayo | None |
| Llallagua, Ayo Ayo | None |
| Pomani, Ayo Ayo | None |
| Pomasara, Ayo Ayo | None |
| Sulcavi, Ayo Ayo | None |
| Sullcavi, Ayo Ayo | None |
| Taracollo, Ayo Ayo | None |
| Tolar, Ayo Ayo | None |
| Tupac Katari, Ayo Ayo | None |
| Villa El Carmen, Ayo Ayo | None |
| All postal codes in Aroma | |
|---|---|
| Ayo Ayo, Aroma | |
| Calamarca, Aroma | |
| Collana, Aroma | |
| Colquencha, Aroma | |
| Patacamaya, Aroma | |
| Sica Sica, Aroma | |
| Umala, Aroma | |