| 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 |
|---|---|---|
| Iona Station | 3534 | N0L |
| Keene | 3515 | K0L K9J |
| Val Gagne | 3556 | P0K |
| Val Caron | 3553 | P3N |
| Sturgeon Falls | 3549 | P2B |
| Unionville | 3519 | L3P L3R L6G |
| Ompah | 3510 | K0H |
| Saint Charles | 3552 | P0M |
| Wooler | 3512 | K0K |
| Orillia | 3543 | L3V |
| Name | State |
|---|---|
| Kenora | Ontario |
| Middlesex | Ontario |
| Bruce | Ontario |
| Frontenac | Ontario |
| Haliburton | Ontario |
| Brant | Ontario |
| Rainy River | Ontario |
| Algoma | Ontario |
| Halton | Ontario |
| Parry Sound | Ontario |
| Perth | Ontario |
| Nipissing | Ontario |
| Kawartha Lakes | Ontario |
| Oxford | Ontario |
| Hastings | Ontario |
| Lambton | Ontario |
| Timiskaming | Ontario |
| Simcoe | Ontario |
| Chatham-Kent | Ontario |
| Niagara | Ontario |