| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Aguada de Las Tejas, Telsen | U9121 XBM |
| Postal/ZIP Codes in Bajada del Diablo, Telsen | U9101 XAH |
| Postal/ZIP Codes in Cerro Pichalao, Telsen | U9120 XAD |
| Postal/ZIP Codes in Chacay Este, Telsen | U9121 XBN |
| Postal/ZIP Codes in Chacay Oeste, Telsen | U9121 XBR |
| Postal/ZIP Codes in Chasicó, Telsen | U9121 XBS |
| Postal/ZIP Codes in El Álamo, Telsen | U9121 XBV |
| Postal/ZIP Codes in Estancia El Moro, Telsen | U9121 XBW |
| Postal/ZIP Codes in Gan Gan, Telsen | U9121 XBX |
| Postal/ZIP Codes in Laguna de Vacas, Telsen | U9121 XCE |
| Postal/ZIP Codes in Laguna Fría, Telsen | U9121 XBY |
| Postal/ZIP Codes in Mallín Grande, Telsen | U9121 XBZ |
| Postal/ZIP Codes in Painaluf, Telsen | U9121 XCA |
| Postal/ZIP Codes in Seprucal, Telsen | U9121 XCB |
| Postal/ZIP Codes in Sierra Chata, Telsen | U9121 XCC |
| Postal/ZIP Codes in Sierra Rosada, Telsen | U9121 XCD |
| Postal/ZIP Codes in Talagapa, Telsen | U9121 XBT |
| Postal/ZIP Codes in Tatuen, Telsen | U9121 XBU |
| Postal/ZIP Codes in Telsen, Telsen | U9121 |