mailing services.

WSU 4-digit delivery codes

The address for each University department contains a unique 4-digit delivery code. It appears in two places:

  • As the last 4 digits of the PO Box number
  • As the 4-digit extended zip code

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.

GroupDelivery code
Dean of Students1013
Student Conduct, Office of1013
Human Resource Services1014
Ombudsman, University1015
Purchasing Services1020
Compliance and Civil Rights1022
Risk Management1023
Benefit Services1024
Payroll Services1024
Controller’s Office1025
General Accounting1025
Sponsored Programs Services1025
Travel Services1025
Graduate School1030
Attorney General, Office of the1031
Registrar, Office of the1035
Faculty Senate1038
Cashier's Office1039
University Receivables1039
Vice President of Marketing and Communications1040
Budget Office1041
Institutional Research1043
Finance and Administration1045
Golf Course (Palouse Ridge Golf Club)1045
Vice President for Finance and Administration1045
Provost, Office of the1046
President, Office of the 1048
Energy Plant1050
Commercialization, Office of1060
Intellectual Property Administration, Office of1060
Research Advancement and Partnerships1060
Research and Technology Park, WSU1060
Research Operations and Support, Office of1060
Research, Office of1060
High School Equivalency Program1062
New Student Programs1062
College Assistance Migrant Program (CAMP)1064
McNair Achievement Program1064
Student Advising and Learning Center1064
Student Support Services (TRiO)1064
Re-entry Program1066
Student Affairs, Division of1066
Vice President of Student Affairs1066
Admissions1067
Student Financial Services1068
Scholarship Services, Office of1069
Police, WSU1072
Public Safety (Fire, Police)1072
Motor Pool1075
Plant Services1075
General Storage1101
Materials and Resources Management1101
Recycling, University1101
Surplus Stores1101
Waste Management1101
Central Receiving and Delivery, Supply Management Services1120
Creamery1122
Capital Planning and Development1150
Facilities Development1150
Facilities Services—Operations1150
Steam Plant1150
Food Services1162
Housing and Dining Maintenance1162
Campus Veterinarian, Office of the1165
Environmental Health and Safety, Department of1172
Central Stores, Supply Management Services1190
University Stores, Supply Management Services1190
Internal Audit, Office of1221
Enterprise Systems Group1222
Information Technology Services1222
Procedures, Records, and Forms, Office of1225
Marketing and Communications, University1227
Washington State Magazine1227
Nuclear Science Center1300
Kinesiology and Leisure Studies, Department of1410
Athletics1602
Football Operations Building1615
Athletics Ticket Office1625
Tri-Cities, WSU1671
Beasley Coliseum1710
Housing and Dining Financial Services1722
Residence Life1724
Housing Services1726
Social and Economic Sciences Research Center Public Opinion Lab1801
Small Business Development Center (SBDC)1802
University Recreation1830
Visitor Center, Brelsford WSU1912
University Advancement1925
WSU Foundation1925
Honors College2012
Western Journal of Black Studies2103
Education, College of2114
Teaching and Learning, Department of2132
Educational Leadership, Sport Studies, and Educational/Counseling Psychology, Deptartment of2136
Education, College of, Office of Recruitment and Retention2152
Architecture Library2210
Design and Construction, School of2220
Interior Design, Department of2220
Engineering and Architecture, College of2250
Cougar Health Services2302
Counseling and Psychological Services2302
Student Health Center2302
Wellness Programs2302
Student Accommodations and Disability Resources2322
Speech and Hearing Sciences, Department of2420
Spokane Falls Community College (Pullman Campus)2451
Chinook Yearbook2510
Daily Evergreen2510
Student Media, Office of2510
Student Publications2510
Communication, Edward R. Murrow College of2520
Educational Telecommunications and Technology2530
Murrow Student Services2530
Radio-Television Services2530
Languages, Cultures, and Race, School of 2610
Rocky Mountain Modern Language Association2610
Arts and Sciences, College of2630
Arts and Sciences, College of, Administrative Office2630
Materials Research, Center for2711
Materials Science, Program in2711
Engineering and Architecture, College of, Undergraduate Programs and Student Services2713
Engineering and Architecture Business and Finance2718
Electrical Engineering and Computer Science, School of2752
CDADIC (Center for Design of Analog-Digital Integrated Circuits)2780
Engineering and Technology Management, Program in2785
Technical Services (College of Arts and Sciences)2801
Environment, School of the2812
Environmental Research Center2812
Astronomy Program2814
Physics and Astronomy, Department of2814
Shock Physics, Institute for2816
Civil and Environmental Engineering, Department of2910
Mechanical and Materials Engineering, Department of2920
Mathematics, Department of3113
Observatory (Jewett)3113
Planetarium3113
Radiation Safety Office / Office of Research Assurances
1143
Statistics, Program in3144
Intensive American Language Center3251
Elson S. Floyd Cultural Center3301
Air Force ROTC3341
Child Care Resource and Referral3454
Children’s Center, WSU3454
Basic Medical Sciences Program (WWAMI)3510
Arts & Sciences, College of, Development Office3528
Data Analytics3528
Digital Technology and Culture, Department of3528
Innovation and Research Engagement Office3610
Business, Carson College Graduate and Online Programs3615
Women's Center4005
Frontiers: A Journal of Women Studies4007
Women’s Studies Program4007
Criminal Justice and Criminology, Department of4011
Wilson-Short Service Center4013
Social and Economic Sciences Research Center (SESRC)4014
Sociology, Department of4020
Asia Program4030
History, Department of4030
Electron Microscopy Center4210
Franceschi Microscopy and Imaging Center4210
Biological Sciences, School of4236
Connor Museum of Zoology4236
Science Learning Instructional Center (SLIC)4236
Science Math. Engineering Education Center (SMEEC)4236
Biology's Stable Isotope4237
Eastlick Stores4237
Ownbey Herbarium4237
General Education4519
Undergraduate Education, Office of4519
Writing Program4530
Undergraduate Research, Office of4532
Assessment of Teaching and Learning, Office of4550
Teaching, Learning, and Technology, Center for4550
Health Professions Student Center4551
Pre-nursing Advising4551
Sciences Advising (Premed., Predent., and Prevet.)4551
CUE Advising Center4555
Chemistry, Department of4630
International Business Institute4730
Marketing and International Business, Department of4730
Hospitality Business Management4736
Entrepreneurial Studies, Center for4743
Management, Information Systems, and Entrepreneurship, Department of4743
Finance and Management Science, Department of4746
Real Estate Research, Washington Center for4746
Business, Carson College of4750
Psychology Clinic4820
Psychology, Department of4820
Arts and Sciences, College of, Social Sciences Division4841
Center for Transformational Learning and Leadership4852
Human Development, Department of4852
Arts and Sciences, College of, Wilson-Short Division Office4871
Politics, Philosophy, and Public Affairs, Department of4880
Anthropology, Department of4910
English, Department of5020
ESQ, Poe Studies5020
Linguistics Program5020
Army ROTC5040
Military Science (Army ROTC)5040
International Programs, Global Services5110
International Programs, Admissions5115
International Programs5121
Vice President of International Programs5130
Foley Institute for Public Policy and Public Service5136
Extended University Services5210
Summer Session5210
WSU Online Administrative Services5210
Extended Degree Programs5220
Global Campus, WSU5220
Conference Management5222
Chancellor's Office5230
Nursing, College of, Spokane5291
Music, School of5300
Chinook Student Center5400
Transportation Services5500
Diversity Education5501
Heritage House5501
Pullman Integrated Academic Technologies5604
Animal Health Library5610
Brain Education Library5610
Fischer Agricultural Sciences Library5610
Health Sciences Library5610
Holland Library5610
Libraries, WSU5610
Owen Science and Engineering Library5610
Photography Services5610
WSU Press5610
Veterans and Military Affiliated Services5615
Composite Materials and Engineering Center5815
Center for Environmental Research, Education, and Outreach (CEREO)5825
Water Research Center5825
Laboratory for Atmospheric Research5845
Design and Printing Services (Cooper Publications Building)5910
Mailing Services5910
Cooperative Extension Services Bulletins Office5912
Extension Publishing5912
Plant Growth Facilities6003
Dining Services6005
Biological Systems Engineering, Department of6120
Alumni Association6150
Alumni Relations6150
Economic Sciences, School of6210
Economics, Department of6210
IMPACT Center6214
United States Department of Agriculture6221
USDA Administration6221
Agriculture and Home Economics Alumni and Development6228
CAHNRS Alumni and Friends6228
Ag Weather Net6232
Governmental Studies and Services, Division of6233
CAHNRS Computing and Web Resources6234
CAHNRS Business Services6235
Agricultural Research Center6240
CAHNRS Business and Finance6241
CAHNRS Cashier’s Office6241
CAHNRS (College of Agricultural, Human, and Natural Resource Sciences)6242
CAHNRS Academic Programs6243
CAHNRS Information Department6248
Cooperative Extension Services6248
Animal Sciences, Department of6310
Dairy Center6310
Animal Science Nutrition6351
Animal Reproduction6353
Animal Sciences Physiology6353
Food Science, School of6376
Nutrition, Graduate Program in6376
Entomology, Department of6382
Clark Hall Business Center6384
Ferdinand’s Ice Cream Shoppe6392
USDA Western Wheat Quality Laboratory6394
Western Wheat Quality Laboratory6394
Plant Introduction Unit, USDA6402
USDA Plant Germplasm Introduction and Testing6402
Apparel, Merchandising, Design, and Textiles, Department of6406
Extension Natural Resources6410
Natural Resource Sciences, Department of6410
Horticulture, Department of6414
Crop and Soil Sciences, Department of6420
Plant Materials Center6420
Seed House6420
Seed Technology Laboratory6420
USDA Wheat Genetics, Quality, Physiology, and Disease6420
USDA Northwest Sustainable Agroecosystem Research6421
Plant Pathology, Department of6430
USDA Root Disease and Biological Control Research6430
USDA Agricultural Research Service, Grain Legume Genetics and Physiology Research Unit6434
USDA Grain Legume Genetics and Physiology Research6434
Chemical Engineering and Bioengineering, Voiland School of6515
Veterinary Clinical Sciences6610
USDA Animal Disease Research Unit6630
People-Pet Partnership7010
Veterinary Medicine, College of7010
Veterinary Medicine, College of, Admissions7012
Biomedical Communications Unit (BCU)7013
Washington Animal Disease Diagnostic Laboratory (WADDL)7034
Veterinary Microbiology and Pathology7040
Veterinary Teaching Hospital7060
Global Animal Health, Paul G. Allen School of7090
Asian American and Pacific Islander Student Center (Compton Union Building)7204
Associated Students of Washington State University (ASWSU)7204
Chicana/o Latina/o Student Center (Compton Union Building)7204
Civic Engagement, Center for (Compton Union Building)7204
Community Service Learning Center7204
Compton Union Building (CUB)7204
CougarCard Center (Compton Union Building)7204
CougPrints Plus (Compton Union Building)7204
Fraternity and Sorority Life, Center for (Compton Union Building)7204
Gender Identity Expression and Sexual Orientation Resource Center (Compton Union Building)7204
Graduate and Professional Student Association (GPSA)7204
Greek Council (Compton Union Building)7204
International Center (Compton Union Building)7204
Intramural Sports Office7204
KZUU Radio (Compton Union Building)7204
Leadership Programs7204
Middle Eastern Student Association (Compton Union Building)7204
Multicultural Student Services, Office of (Compton Union Building)7204
Muslim Student Association (Compton Union Building)7204
Native American Student Center (Compton Union Building)7204
Outdoor Recreation Center7204
Residence Hall Association (Compton Union Building)7204
Smart Start Program (Compton Union Building)7204
Student Affairs Marketing and Communications (Compton Union Building)7204
Student Entertainment Board (Compton Union Building)7204
Student Involvement (Compton Union Building)7204
Student Legal Services (Compton Union Building)7204
Student Veteran Services (Compton Union Building)7204
Students Book Corporation (The Bookie)7207
Museum of Art WSU, Jordan Schnitzer7301
Biological Chemistry, Institute of (IBC)7411
Fine Arts, Department of7450
Biochemistry and Biophysics, Program in7520
Genetics and Cell Biology, Program in7520
Microbiology, Program in7520
Molecular Biosciences, School of7520
Integrated Biotechnology, Center for7521
Reproductive Biology, Center for7521
Alcohol and Drug Abuse Program7620
Integrative Physiology and Neuroscience, Department of7620
Neuroscience, Program in7620
Vancouver, WSU9600