July 9, 2025
The Postal Service is reminding fleet managers and drivers to always buy regular unleaded and lowest-grade diesel fuel from stations in the USPS Preferred Fueling Network.The network, known as PFN, has more than 26,000 retail fuel sites across more than 40 brands, including 7-Eleven, Casey’s Circle K, Cumberland Farms Racetrac, Sheetz, Speedway and Wawa.
A list of PFN locations is available on usps.com.
Email the fuel network team for additional information.
List of PFN locations [xlsx]
Source: USPS