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The address for each University department contains a unique 4-digit delivery code. It appears in two places: For example, the address for Washington State Magazine, which has a campus delivery code of 1227, looks like this: PO Box 641227, Washington State University, Pullman, WA 99164-1227. Science Math.
- Mailing on and off campus
On-campus mailing addresses use a PO Box number—never a...
- Student mail services
Use the 99163 zip code. It is the general zip code for...
- Pullman Campus
Washington State University Pullman. The flagship campus,...
- Mailing on and off campus
On-campus mailing addresses use a PO Box number—never a street address or building name and room number. The PO Box number begins with the digits 64, followed by a unique 4-digit delivery code for each department. The delivery code also appears in the extended zip code.
Use the 99163 zip code. It is the general zip code for Pullman. The 99164 zip code is reserved for WSU academic and administrative mail. Stephenson and McEachern Hall residents: include the directional designator of your hall, e.g. Stephenson S. or McEachern E.
Pullman, WA 99163 *Packages sent to the physical building address will not be received by Northside Area Desk and may be left unattended outside the building. It is advised that you use this address only for food delivery.
WSU Pullman business offices: The U.S. Postal Service delivers all mail with a 99164 ZIP code to Mailing Services, University Publishing, Cooper Publications Building, for distribution with the campus mail.
Washington State University Pullman. The flagship campus, WSU Pullman is a top research university dedicated to improving lives by unlocking possibilities for students and serving the public good. Largest WSU campus. (17,050 students, fall 2023)
Washington State University —WSU is a top research university dedicated to improving lives, unlocking possibilities for students, and serving the public good 6 campuses
