| Ontario | |
|---|---|
| County Number | 52 |
| Postal abbr. | ON |
| Capital | Toronto |
| Nickname | Yours to Discover, The Heartland Province |
| ISO | CA-ON |
| FIPS | CA08 |
| Name | County | Postal Code |
|---|---|---|
| Woodview | 3515 | K0L |
| Maple | 3519 | L6A |
| Summer Beaver | 3560 | P0T |
| Holland Landing | 3519 | L9N |
| Centreville | 3511 | K0K |
| Gorham | 3558 | P7G |
| Sprucedale | 3549 | P0A |
| Omemee | 3516 | K0L |
| Upsala | 3558 | P0T |
| Wasaga Beach | 3543 | L9Z |
| Name | State |
|---|---|
| Rainy River | Ontario |
| Manitoulin | Ontario |
| Prince Edward | Ontario |
| Halton | Ontario |
| Middlesex | Ontario |
| Kenora | Ontario |
| Perth | Ontario |
| Parry Sound | Ontario |
| Muskoka | Ontario |
| Waterloo | Ontario |
| Sudbury | Ontario |
| Haldimand-Norfolk | Ontario |
| Algoma | Ontario |
| Kawartha Lakes | Ontario |
| Wellington | Ontario |
| Durham | Ontario |
| Hastings | Ontario |
| Huron | Ontario |
| Bruce | Ontario |
| Lanark | Ontario |