Post Offices List in Gaines County, Texas:
| Loop Post Office | 895 State Highway 83 E, Loop, TX 79342 |
| Seagraves Post Office | 105 Main St, Seagraves, TX 79359 |
| Seminole Post Office | 201 Se 3rd St, Seminole, TX 79360 |
| Loop Post Office | 895 State Highway 83 E, Loop, TX 79342 |
| Seagraves Post Office | 105 Main St, Seagraves, TX 79359 |
| Seminole Post Office | 201 Se 3rd St, Seminole, TX 79360 |