Courtright (Southwestern Ontario, N0N 1H0)
  1. Courtright Your Host(s): Canada Post Courtright, Phone: (519) 867-5238 Leave a Public Review
Pop. 1,046. In Moore T., Lambton C., on the St. Clair R. and the St. Clair Parkway at C. Rd. 80, 19 km. S of Sarnia.
  2. Mooretown (Mooretown, 2km) Your Host(s): Mooretown Library, Phone: (519) 867-2823 Leave a Public Review
Pop. 342. In Moore T., Lambton C., on the St. Clair R. and St. Clair Parkway, 20 km S of Sarnia.
3. Township of St. Clair (Lower Tier Lambton) (Mooretown, 2km) Your Host(s): Municipal Administration, Phone: (519) 867-2021 Leave a Public Review
  4. Corunna (Corunna, 8km) Your Host(s): Canada Post Corunna, Phone: (519) 862-3632 Leave a Public Review
Pop. 7,500. In Moore T., Lambton C., on the St. Clair R. opposite Stag I. and on the St. Clair Parkway, 9 km. S ofSarnia.
5. Pardee (Historical Post Office near Sarnia) (Sombra, 12km) Your Host(s): Canada Post, Phone: (519) 892-3646 Leave a Public Review
  6. Sombra (Sombra, 12km) Your Host(s): Canada Post Sombra, Phone: (519) 892-3646 Leave a Public Review
Pop. 280. In Sombra T., Lambton C., on the St. Clair.R. and St. Clair Parkway and C. Rd. 2, linked to Marine City, MI, by ferry service, 32 km S of Sarnia.
  7. Wilkesport (Wilkesport, 13km) Your Host(s): Wilkesport Branch Library, Phone: (519) 864-4000 Leave a Public Review
Pop. 122. In Lambton C. on the North Sydenham R. and C. Rd. 31, 2 km N of C. Rd. 2.
  8. Port Lambton (Port Lambton, 18km) Your Host(s): Canada Post Port Lambton, Phone: (519) 677-5806 Public Reviews (1) Leave a Public Review
Pop. 756. In Sombra T., Lambton C., on the St. Clair Rand St. Clair Parkway and C. Rd. 1, 15 km. NW of Wallaceburg.
  9. Walpole Island (Port Lambton, 18km) Your Host(s): Canada Post Port Lambton, Phone: (519) 677-5806 Leave a Public Review
Pop. 1,374. In Lambton C.: in the NE portion of L. St. Clair at the mouth of the St. Clair R., 52 km S of Sarnia.
  10. Village of Point Edward (Lower Tier Lambton) (Point Edward, 22km) Your Host(s): Municipal Administration, Phone: (519) 337-3021 FAX: (519) 337-5963 Leave a Public Review
11. City of Sarnia (Lower Tier Lambton) (Sarnia, 22km) Your Host(s): Canada Post Sarnia, Phone: (519) 337-0755 Leave a Public Review
Pop. 70,503. In Lambton C., at the foot of L. Huron and head of the St. Clair R. and Hwys 40 & 402, linked by the Bluewater Bridge and a railway tunnel to Port Huron, MI, 96 km W of London.