Addressing Letters to the UW

Due to the enormous size and geographic distribution of the University of Washington, each UW department has its own USPS address and ZIP+4 code.

The following tools will aid you in contacting the desired party. However, the best way to guarantee that you have the correct address is to contact the addressee via email or telephone first and request their USPS address.

Most frequently requested addresses
UW Departments - A list of UW Departments which have provided their information for inclusion in the UW Homepage.
UW Faculty/Staff Directory - Faculty/staff directory of the UW. Searching by Department is possible and may provide the information you need.
Telephone and Email Contacts - A phone and email list of contacts at the UW.
Visitor's Information Center

UW Box Numbers

The University of Washington in cooperation with the USPS uses a six digit box number format. All UW box numbers begin with "35". The last four digits are unique to each office and comprise the last four digits of the ZIP code. UW Box numbers for faculty and staff are listed in the UW Faculty/Staff Directory. UW Box numbers for departments are listed in Departmental Box Numbers.

UW ZIP Code: 98195+4

A complete UW Seattle campus ZIP code is 98195 + the last four digits of the box number. For example, the zip code for box number 352700 would be: 98195-2700.

Most Frequently Requested Addresses

Schmitz Hall - Admissions: Box 355852; Seattle, WA 98195-5852
Schmitz Hall - Registrar: Box 355850; Seattle, WA 98195-5850
UW Recruiting: Box 354550; Seattle, WA 98195-4550

Visitor's Information Center

If you need additional assistance obtaining a UW address, contact the Visitor's Information Center at 206-543-9198, uwvic@u.washington.edu