| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in 25 de Mayo, Puelén | L8201 |
| Postal/ZIP Codes in Casa de Piedra, Puelén | L8201 XBN |
| Postal/ZIP Codes in Colonia Chica, Puelén | L8201 XBO |
| Postal/ZIP Codes in Colonia el Sauzal, Puelén | L8201 XBM |
| Postal/ZIP Codes in Colonia Gobernador Ayala, Puelén | L8307 XAA |
| Postal/ZIP Codes in Colonia Los Piojos, Puelén | L8201 XAY |
| Postal/ZIP Codes in Colonia San Ignacio, Puelén | L8201 XAV |
| Postal/ZIP Codes in El Cinco, Puelén | L8201 XAX |
| Postal/ZIP Codes in El Escabel, Puelén | L8201 XAU |
| Postal/ZIP Codes in Gobernador Ayala, Puelén | L8201 XAZ |
| Postal/ZIP Codes in Guaraco, Puelén | L8201 XAW |
| Postal/ZIP Codes in La Bota, Puelén | L8307 XAB |
| Postal/ZIP Codes in La Copelina, Puelén | L8307 XAC |
| Postal/ZIP Codes in Paso La Balsa, Puelén | L8307 XAD |
| Postal/ZIP Codes in Puelén, Puelén | L8339 |
| Postal/ZIP Codes in San Salvador, Puelén | L8201 XBA |