From the Dallas, TX police department:

Have You Seen This Stolen USPS Truck?

The Dallas Police Department is seeking the public’s assistance in locating a stolen U.S. Postal Service truck. Sometime between March 1, 2016 at approximately 8:00 a.m. and March 7, 2016 at approximately 11:00 a.m., an unknown suspect(s) removed a United States Postal truck from 7800 N. Stemmons Service Road. At this time, there are no known suspect(s).

The vehicle is described as:

2006 Ford F-350 Pickup
White
VIN# 1FTWW30Y06ED24545
“U.S. POSTAL SERVICE” on the side

*Note* The vehicle may have other emergency markings/equipment

If anyone locates this vehicle, please contact the Dallas Police Department by calling 9-1-1.