Region List
- L6H 1N7 - Oakville, Halton, Ontario
- L6H 1N8 - Oakville, Halton, Ontario
- L6H 1N9 - Oakville, Halton, Ontario
- L6H 1P1 - Oakville, Halton, Ontario
- L6H 1P2 - Oakville, Halton, Ontario
- L6H 1P3 - Oakville, Halton, Ontario
- L6H 1P4 - Oakville, Halton, Ontario
- L6H 1P5 - Oakville, Halton, Ontario
- L6H 1P6 - Oakville, Halton, Ontario
- L6H 1P7 - Oakville, Halton, Ontario
- L6H 1P8 - Oakville, Halton, Ontario
- L6H 1P9 - Oakville, Halton, Ontario
- L6H 1R1 - Oakville, Halton, Ontario
- L6H 1R2 - Oakville, Halton, Ontario
- L6H 1R3 - Oakville, Halton, Ontario
- L6H 1R4 - Oakville, Halton, Ontario
- L6H 1R5 - Oakville, Halton, Ontario
- L6H 1R6 - Oakville, Halton, Ontario
- L6H 1R7 - Oakville, Halton, Ontario
- L6H 1R8 - Oakville, Halton, Ontario