| Subdistrict | Enum. district | # of links |
| Usborne | 31 | 126 |
| Blanchard Township | 6 | 22 |
| St. Marys | 36 | 10 |
| Biddulph | 5 | 9 |
| Exeter | 38 | 6 |
| Townships 16 | 18 | 6 |
| St. Marys | 35 | 5 |
| London | 33 | 4 |
| Stratford | 42 | 3 |
| Bayham | 6 | 3 |
| Stanley | 16 | 2 |
| London | 6 | 1 |
| Biddulph | 8 | 1 |
| Saskatoon | 34 | 1 |
| Biddulph | 9 | 1 |
| London | 5 | 1 |
| Onondago | 24 | 1 |
| Townships 27 | 54 | 1 |
| Atlin | 27 | 1 |