Most street deliveries

116,628

deliveries from one office

The Post Office location with the most possible street deliveries is Heritage Station in San Antonio, TX (78245, 78250, 78251, 78253) — with 116,628 deliveries.

* | Tags: Fun facts Map facts USPS Fact #279 | April 22, 2024

Coldest Post Office

Coldest

Post Office

Our Post Office in Utqiagvik, North Slope of Alaska -- formerly Barrow (99723) and Wainwright (99782) -- experiences the coldest temperatures.

* | Tags: Fun facts Map facts USPS Fact #276 | April 22, 2024

alternative fuel-capable vehicles

30,673

alternative fuel vehicles

The Postal Service operates a fleet of 30,673 alternative fuel-capable vehicles, most of which are equipped to use ethanol. Electric, hybrid, compressed natural gas and liquid propane gas vehicles are in the fleet as well. There are electric, hybrid, compressed natural gas and liquid propane gas vehicles in the fleet as well. The Postal Service has 100 hybrid 2-ton vehicles. Fifty are electric hybrid and fifty are hydraulic hybrid.

* | Tags: Common good USPS Fact #40 | April 22, 2024