| 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 |
|---|---|---|
| Bognor | 3542 | N0H |
| Thornloe | 3554 | P0J |
| Saint Jacobs | 3530 | N0B |
| Rockland | 3502 | K4K |
| Merrickville | 3507 | K0G |
| Madoc | 3512 | K0K |
| Omemee | 3516 | K0L |
| Schomberg | 3519 | L0G |
| Magnetawan | 3549 | P0A |
| Glencoe | 3539 | N0L |
| Name | State |
|---|---|
| Brant | Ontario |
| Stormont, Dundas and Glengarry | Ontario |
| Kawartha Lakes | Ontario |
| Timiskaming | Ontario |
| Ottawa | Ontario |
| Perth | Ontario |
| Northumberland | Ontario |
| Durham | Ontario |
| Algoma | Ontario |
| Rainy River | Ontario |
| Chatham-Kent | Ontario |
| Hamilton | Ontario |
| Prescott and Russell | Ontario |
| Leeds and Grenville | Ontario |
| Greater Sudbury | Ontario |
| Frontenac | Ontario |
| Peel | Ontario |
| Simcoe | Ontario |
| Grey | Ontario |
| Parry Sound | Ontario |