| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 75020 | Denison | Grayson County | Standard |
| 75021 | Denison | Grayson County | Standard |
| 75058 | Gunter | Grayson County | Standard |
| 75076 | Pottsboro | Grayson County | Standard |
| 75090 | Sherman | Grayson County | Standard |
| 75091 | Sherman | Grayson County | PO Box |
| 75092 | Sherman | Grayson County | Standard |
| 75414 | Bells | Grayson County | Standard |
| 75459 | Howe | Grayson County | Standard |
| 75489 | Tom Bean | Grayson County | PO Box |
| 75491 | Whitewright | Grayson County | Standard |
| 75495 | Van Alstyne | Grayson County | Standard |
| 76233 | Collinsville | Grayson County | Standard |
| 76245 | Gordonville | Grayson County | Standard |
| 76258 | Pilot Point | Denton County | Standard |
| 76264 | Sadler | Grayson County | Standard |
| 76268 | Southmayd | Grayson County | PO Box |
| 76271 | Tioga | Grayson County | Standard |
| 76273 | Whitesboro | Grayson County | Standard |