| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Fairmount, Grant | 46928 |
| Postal/ZIP Codes in Fowlerton, Grant | 46930 |
| Postal/ZIP Codes in Gas City, Grant | 46933 |
| Postal/ZIP Codes in Jonesboro, Grant | 46938 |
| Postal/ZIP Codes in Landess, Grant | 46991 |
| Postal/ZIP Codes in Marion, Grant | 46952, 46953 |
| Postal/ZIP Codes in Matthews, Grant | 46957 |
| Postal/ZIP Codes in Sims, Grant | 46986 |
| Postal/ZIP Codes in Swayzee, Grant | 46986 |
| Postal/ZIP Codes in Sweetser, Grant | 46987 |
| Postal/ZIP Codes in Upland, Grant | 46989 |
| Postal/ZIP Codes in Van Buren, Grant | 46991 |