S4A is a Forward Sortation Area Code (FSA), It is located in Estevan in Saskatchewan, Canada. FSA is a geographical region in which all postal codes start with the same three characters. S4A is an Urban FSA code. There are about 511 postal codes.
| Postal Codes | |||
|---|---|---|---|
| S4A 2Y3 | S4A 2Y5 | S4A 2Y6 | S4A 2Y7 |
| S4A 2Y8 | S4A 2Y9 | S4A 3A1 | S4A 3A2 |
| S4A 3A3 | S4A 3A5 | S4A 3A6 | |