| Sr. No. | City |
|---|---|
| 151 | NEWMARKET |
| 152 | NIAGARA FALLS |
| 153 | NIAGARA ON THE LAKE |
| 154 | NOBLETON |
| 155 | NORTH BAY |
| 156 | NORTH YORK |
| 157 | NORWICH |
| 158 | OAKVILLE |
| 159 | ORANGEVILLE |
| 160 | ORILLIA |
| 161 | ORLEANS |
| 162 | ORONO |
| 163 | OSHAWA |
| 164 | OTTAWA |
| 165 | OWEN SOUND |
| 166 | PAINCOURT |
| 167 | PALMERSTON |
| 168 | PARIS |
| 169 | PARKHILL |
| 170 | PARRY SOUND |
| 171 | PEFFERLAW |
| 172 | PEMBROKE |
| 173 | PERTH |
| 174 | PETERBOROUGH |
| 175 | PETROLIA |