| Localité | Code postal |
|---|---|
| Arnaud, Steinbach | R0A 0B0 |
| Blumenort, Steinbach | R0A 0A6 |
| Carlowrie, Steinbach | R0A 0G0 |
| Dominion City, Steinbach | R0A 0B6 |
| Dufresne, Steinbach | R0A, R5K |
| Dufrost, Steinbach | R0A 0K0 |
| Ginew, Steinbach | R0A 2R0 |
| Giroux, Steinbach | R0A 0N0 |
| Glenlea, Steinbach | R0G 0C5, R0G 0S0 |
| Grande Pointe, Steinbach | R5A |
| Green Ridge, Steinbach | R0A 0P0 |
| Grunthal, Steinbach | R0A 0A3, R0A 0R0 |
| Howden, Steinbach | R5A |
| Ile des Chenes, Steinbach | R0A |
| Ile des Chenes East, Steinbach | R0A |
| Kleefeld, Steinbach | R0A |
| La Broquerie, Steinbach | R0A |
| La Broquerie West, Steinbach | R0A |
| Landmark, Steinbach | R0A 0B9, R0A 0X0 |
| Linden, Steinbach | R0A 0X1 |
| Lorette, Steinbach | R0A, R5K |
| Marchand, Steinbach | R0A 0Z0, R0A 0A4 |
| Mitchell, Steinbach | R5G |
| New Bothwell, Steinbach | R0A 0C8, R0A 1C0 |
| Niverville, Steinbach | R0A |
| Otterburne, Steinbach | R0A 0C2, R0A 9A2, R0A … |