| Sr. No. | City |
|---|---|
| 51 | OAKVILLE |
| 52 | ORANGEVILLE |
| 53 | ORILLIA |
| 54 | ORLEANS |
| 55 | OSHAWA |
| 56 | OTTAWA |
| 57 | OWEN SOUND |
| 58 | PARIS |
| 59 | PETERBOROUGH |
| 60 | PICKERING |
| 61 | PORT COLBORNE |
| 62 | PORT CREDIT |
| 63 | PORT HOPE |
| 64 | REXDALE |
| 65 | RICHMOND HILL |
| 66 | SARNIA |
| 67 | SAULT STE MARIE |
| 68 | SCARBOROUGH |
| 69 | SIMCOE |
| 70 | ST CATHARINES |
| 71 | ST THOMAS |
| 72 | STONEY CREEK |
| 73 | STRATHROY |
| 74 | STREETSVILLE |
| 75 | SUDBURY |