ChamberMaster College Hill Association Family, Community & Civic Organizations College Hill Association Visit Website PO Box 164 Pullman, WA 99163 (509) 334-5321 collegehillassociation.org Facebook About About Established in 1992, the College Hill Association is a 501c3 non-profit organization that exists to improve the quality of public life in the College Hill neighborhood of Pullman, Washington.