| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Maraco Chico, Utracán | L8200 XAV |
| Postal/ZIP Codes in Médano Colorado, Utracán | L8200 XAW |
| Postal/ZIP Codes in Quehué, Utracán | L8203 |
| Postal/ZIP Codes in San Antonio, Utracán | L8203 XAD |
| Postal/ZIP Codes in San Ernesto, Utracán | L8203 XAE |
| Postal/ZIP Codes in San Simon, Utracán | L8200 XBK |
| Postal/ZIP Codes in Santa Clara, Utracán | L8214 XAL |
| Postal/ZIP Codes in Santa Elena, Utracán | L8201 XBG |
| Postal/ZIP Codes in Santa María, Utracán | L8214 XAM |
| Postal/ZIP Codes in Santo Domingo, Utracán | L8203 XAF |
| Postal/ZIP Codes in Unanué, Utracán | L8215 |
| Postal/ZIP Codes in Utracán, Utracán | L8203 XAA |
| Postal/ZIP Codes in Valle Argentino, Utracán | L8200 XBI |
| Postal/ZIP Codes in Valle Daza, Utracán | L8200 XBJ |