There are a total of 12 Postal Codes in San Martín Region Peru
| Postal Code | Place Name | Region | Province | |||
|---|---|---|---|---|---|---|
| Tres Unidos | San Martín | Picota | |||
| Pilluana | San Martín | Picota | |||
| Tingo de Ponasa | San Martín | Picota | |||
| Shamboyacu | San Martín | Picota | |||
| Shamboyacu | San Martín | Picota | |||
| Buenos Aires | San Martín | Picota | |||
| Pucacaca | San Martín | Picota | |||
| Picota | San Martín | Picota | |||
| Picota | San Martín | Picota | |||
| San Cristobal | San Martín | Picota | |||
| San Hilarión | San Martín | Picota | |||