| Business | Phone |
| Greer's 242 Indian Rd S, Sarnia N7T 3W4 | (519) 332-4693 |
| Groombridge Sampler Postal 150 Christina St N #32, Sarnia N7T 7W5 | (519) 337-0755 |
| Sampler Postal Outlet 1380 London Rd, Sarnia N7S 1P8 | (519) 542-4472 |
| Twin Lakes Postal Outlet 1226 Murphy Rd, Sarnia N7S 2Y6 | (519) 542-4007 |