H3 — 20 códigos en 20 localidades (Canadá).
| Código postal | Localidad / Distrito | Provincia / Municipio | Coordenadas |
|---|---|---|---|
| Downtown Montreal North | Montreal · Quebec | 45.504, -73.5747 | |
| Downtown Montreal East | Montreal · Quebec | 45.5005, -73.5684 | |
| Griffintown (Includes Île Notre-Dame & Île Sainte-Hélène) | Quebec | 45.498, -73.5472 | |
| L'Île-Des-Soeurs | Quebec | 45.4594, -73.5501 | |
| Downtown Montreal Southeast | Montreal · Quebec | 45.4987, -73.5793 | |
| Downtown Montreal South & West | Montreal · Quebec | 45.5009, -73.5877 | |
| Petite-Bourgogne | Quebec | 45.4861, -73.5732 | |
| Pointe-Saint-Charles | Quebec | 45.4805, -73.5554 | |
| Ahuntsic Southwest | Quebec | 45.5467, -73.6718 | |
| Cartierville Northeast | Quebec | 45.5383, -73.6932 | |
| Parc-Extension | Quebec | 45.5302, -73.6327 | |
| Mount Royal North | Mount Royal · Quebec | 45.5217, -73.6393 | |
| Mount Royal Central | Mount Royal · Quebec | 45.5101, -73.6478 | |
| Côte-des-Neiges North | Côte-des-Neiges · Quebec | 45.5063, -73.6297 | |
| Côte-des-Neiges Northeast | Côte-des-Neiges · Quebec | 45.5018, -73.6191 | |
| Côte-des-Neiges East | Côte-des-Neiges · Quebec | 45.499, -73.6089 | |
| Côte-des-Neiges Southwest | Côte-des-Neiges · Quebec | 45.4897, -73.6312 | |
| Hampstead | Hampstead · Montréal | 45.4819, -73.6421 | |
| Westmount West | Westmount · Montréal | 45.4876, -73.6045 | |
| Westmount East | Westmount · Montréal | 45.4825, -73.5933 |