| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Deer Creek, Grant | 74636 |
| Postal/ZIP Codes in Jefferson, Grant | 73759 |
| Postal/ZIP Codes in Lamont, Grant | 74643 |
| Postal/ZIP Codes in Manchester, Grant | 73758 |
| Postal/ZIP Codes in Medford, Grant | 73759 |
| Postal/ZIP Codes in Nash, Grant | 73761 |
| Postal/ZIP Codes in Pond Creek, Grant | 73766 |
| Postal/ZIP Codes in Renfrow, Grant | 73759 |
| Postal/ZIP Codes in Wakita, Grant | 73771 |