| Sr. No. | City |
|---|---|
| 201 | SEAFORTH |
| 202 | SHEDDEN |
| 203 | SIMCOE |
| 204 | SIOUX LOOKOUT |
| 205 | SMITHS FALLS |
| 206 | SMITHVILLE |
| 207 | SOMBRA |
| 208 | SOUTH PORCUPINE |
| 209 | SOUTHAMPTON |
| 210 | ST CATHARINES |
| 211 | ST CLEMENTS |
| 212 | ST THOMAS |
| 213 | STEVENSVILLE |
| 214 | STITTSVILLE |
| 215 | STONEY CREEK |
| 216 | STOUFFVILLE |
| 217 | STRAFFORDVILLE |
| 218 | STRATFORD |
| 219 | STRATHROY |
| 220 | SUDBURY |
| 221 | SUNDERLAND |
| 222 | TAMWORTH |
| 223 | TAVISTOCK |
| 224 | TECUMSEH |
| 225 | TERRACE BAY |