Post Offices List in Lawrence County, Indiana:
| Avoca Post Office | 8464 State Road 54 W, Avoca, IN 47420 |
| Bedford Post Office | 1720 H St, Bedford, IN 47421 |
| Heltonville Post Office | 6525 State Road 58 E, Heltonville, IN 47436 |
| Huron Post Office | 513 Huron Pike, Huron, IN 47437 |
| Mitchell Post Office | 118 N 7th St, Mitchell, IN 47446 |
| Oolitic Post Office | 113 Main St, Oolitic, IN 47451 |
| Springville Post Office | 193 Brick St, Springville, IN 47462 |
| Tunnelton Post Office | 45 Seneca St, Tunnelton, IN 47467 |
| Williams Post Office | 61 Kern St, Williams, IN 47470 |