Region List
- L4T 1X3 - Mississauga, Peel, Ontario
- L4T 1X4 - Mississauga, Peel, Ontario
- L4T 1X5 - Mississauga, Peel, Ontario
- L4T 1X6 - Mississauga, Peel, Ontario
- L4T 1X7 - Mississauga, Peel, Ontario
- L4T 1X8 - Mississauga, Peel, Ontario
- L4T 1X9 - Mississauga, Peel, Ontario
- L4T 1Y1 - Mississauga, Peel, Ontario
- L4T 1Y2 - Mississauga, Peel, Ontario
- L4T 1Y3 - Mississauga, Peel, Ontario
- L4T 1Y4 - Mississauga, Peel, Ontario
- L4T 1Y5 - Mississauga, Peel, Ontario
- L4T 1Y6 - Mississauga, Peel, Ontario
- L4T 1Y7 - Mississauga, Peel, Ontario
- L4T 1Y8 - Mississauga, Peel, Ontario
- L4T 1Y9 - Mississauga, Peel, Ontario
- L4T 1Z1 - Mississauga, Peel, Ontario
- L4T 1Z2 - Mississauga, Peel, Ontario
- L4T 1Z3 - Mississauga, Peel, Ontario
- L4T 1Z4 - Mississauga, Peel, Ontario