Lista de la región
- N7L 1B4 - Chatham, Chatham-Kent, Ontario
- N7L 1B5 - Chatham, Chatham-Kent, Ontario
- N7L 1B6 - Chatham, Chatham-Kent, Ontario
- N7L 1B7 - Chatham, Chatham-Kent, Ontario
- N7L 1B9 - Chatham, Chatham-Kent, Ontario
- N7L 1C1 - Chatham, Chatham-Kent, Ontario
- N7L 1C2 - Chatham, Chatham-Kent, Ontario
- N7L 1C3 - Chatham, Chatham-Kent, Ontario
- N7L 1C4 - Chatham, Chatham-Kent, Ontario
- N7L 1C5 - Chatham, Chatham-Kent, Ontario
- N7L 1C6 - Chatham, Chatham-Kent, Ontario
- N7L 1C7 - Chatham, Chatham-Kent, Ontario
- N7L 1C8 - Chatham, Chatham-Kent, Ontario
- N7L 1C9 - Chatham, Chatham-Kent, Ontario
- N7L 1E1 - Chatham, Chatham-Kent, Ontario
- N7L 1E2 - Chatham, Chatham-Kent, Ontario
- N7L 1E3 - Chatham, Chatham-Kent, Ontario
- N7L 1E4 - Chatham, Chatham-Kent, Ontario
- N7L 1E5 - Chatham, Chatham-Kent, Ontario
- N7L 1E6 - Chatham, Chatham-Kent, Ontario