Post Offices List in Gregg County, Texas:
| Downtown Longview Post Office | 201 E Methvin St, Longview, TX 75601 |
| Gladewater Post Office | 101 N Dean St, Gladewater, TX 75647 |
| Judson Post Office | 7526 Tryon Rd, Judson, TX 75660 |
| Kilgore Post Office | 500 N Kilgore St, Kilgore, TX 75662 |
| Longview Post Office | 2336 S Mobberly Ave, Longview, TX 75602 |
| Northwest Longview Post Office | 4501 Mccann Rd, Longview, TX 75605 |
| White Oak Post Office | 1200 S White Oak Rd, White Oak, TX 75693 |