| Subdistrict | Enum. district | # of links |
| Welland | 52 | 53 |
| Welland | 51 | 15 |
| Welland | 53 | 11 |
| St. Catharines | 41 | 5 |
| Humberstone | 11 | 3 |
| Thorold | 35 | 3 |
| Wainfleet | 36 | 3 |
| Bertie | 3 | 3 |
| Crowland | 8 | 2 |
| Port Colborne | 57 | 2 |
| Niagara Falls | 44 | 2 |
| Niagara Falls | 46 | 2 |
| Stratford | 39 | 2 |
| Humberstone | 13 | 1 |
| Canadian Navy | 96 | 1 |
| Winnipeg | 25 | 1 |
| Niagara Falls | 48 | 1 |
| Strathroy | 33 | 1 |
| Bertie | 1 | 1 |
| Richmond | 25 | 1 |