7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 73759 | Medford | 1,352 |
| 73766 | Pond Creek | 1,097 |
| 74643 | Lamont | 508 |
| 73771 | Wakita | 355 |
| 73761 | Nash | 302 |
| 74636 | Deer Creek | 263 |
| 73758 | Manchester | 260 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Grant County, Oklahoma (US Census).