TP Q Quinte West, Ontario C R Rainy Lake 17A, Ontario R Rainy Lake 17B, Ontario R Rainy Lake 18C, Ontario R Rainy Lake 26A, Ontario R Rainy River, Ontario T Rainy River, Unorganized, Ontario UNO Ramara, Ontario TP Rankin Location 15D, Ontario R Rat Portage 38A, Ontario R Red Lake, Ontario T Red Rock, Ontario TP Renfrew, Ontario T Richmond Hill, Ontario T Rideau Lakes, Ontario TP Rocky Bay 1, Ontario R Russell, Ontario TP Ryerson, Ontario TP S Sabaskong Bay 35D, Ontario R Sables-Spanish Rivers, Ontario TP Sachigo Lake 1, Ontario R Sachigo Lake 2, Ontario R Sagamok, Ontario R Sandy Lake 88, Ontario R Sarnia, Ontario C Sarnia 45, Ontario R Saug-a-Gaw-Sing 1, Ontario R Saugeen 29, Ontario R Saugeen Shores, Ontario T Sault Ste. Marie, Ontario C Schreiber, Ontario TP Scugog, Ontario TP Seguin, Ontario TP Seine River 22A2, Ontario R Seine River 23A, Ontario R Seine River 23B, Ontario R Selwyn, Ontario TP Serpent River 7, Ontario R Severn, Ontario TP Shawanaga 17, Ontario R Sheguiandah 24, Ontario R Shelburne, Ontario T Sheshegwaning 20, Ontario R Shoal Lake (Part) 39A, Ontario R Shoal Lake (Part) 40, Ontario R Shoal Lake 34B2, Ontario R Shuniah, Ontario TP Sioux Lookout, Ontario T Sioux Narrows-Nestor Falls, Ontario TP Six Nations 40, Ontario R Slate Falls, Ontario S-E Smiths Falls, Ontario T Smooth Rock Falls, Ontario T South Algonquin, Ontario TP South Bruce, Ontario TP South Bruce Peninsula, Ontario T South Dundas, Ontario TP South Frontenac, Ontario TP South Glengarry, Ontario TP South Huron, Ontario T South River, Ontario VL South Stormont, Ontario TP South-West Oxford, Ontario TP Southgate, Ontario TP Southwest Middlesex, Ontario TP Southwold, Ontario TP Spanish, Ontario T Springwater, Ontario TP St. Catharines, Ontario C St. Clair, Ontario TP St. Joseph, Ontario TP St. Marys, Ontario T St. Thomas, Ontario C St.-Charles, Ontario T Stirling-Rawdon, Ontario TP Stone Mills, Ontario TP Stratford, Ontario C Strathroy-Caradoc, Ontario TP Strong, Ontario TP Sucker Creek 23, Ontario R Sudbury, Unorganized, North Part, Ontario UNO Summer Beaver, Ontario S-E Sundridge, Ontario VL T Tarbutt TP Tay TP Tay Valley TP Tecumseh T Tehkummah TP Temagami T Temiskaming Shores C Terrace Bay TP Thames Centre TP Thessalon T Thessalon 12 R Thornloe VL Thorold C Thunder Bay C Thunder Bay, Unorganized UNO Tillsonburg T Timiskaming, Unorganized, East Part UNO Timiskaming, Unorganized, West Part UNO Timmins C Tiny TP Toronto C Trent