| Locality | Post Code |
|---|---|
| Poe, Allen | 46819 |
| Southtown, Allen | 46816 |
| Southtown Mall, Allen | 46816 |
| Spencerville, Allen | 46788 |
| Tanglewood, Allen | 46774 |
| Thurman, Allen | 46774 |
| Tillman, Allen | 46773 |
| Townley, Allen | 46773 |
| Waynedale, Allen | 46809, 46819 |
| Woodburn, Allen | 46797 |
| Yoder, Allen | 46798 |
| Zanesville, Allen | 46799 |
| Zulu, Allen | 46773 |