S4P 1N1 is Canadian Postal Code located in Core Saskatchewan.
| Postal Code | S4P 1N1 |
| Forward Sortation Area | S4P |
| Name | Core |
| Province | Saskatchewan |
| Administrative Division | Division No. 6 |
| City | Regina |
| Timezone | Central Standard Time (CST) |
| Area Code(s) | 306 / 639 |