| State | Drop Site | City | Postal Code | courier (PE) sort code |
|---|---|---|---|---|
| ID | Lewis-Clark State College | Lewiston | 83501- | ??? |
| ID | North Idaho College | Coeur d'Alene | 83814- | ??? |
| ID | University of Idaho | Moscow | 83844-2350 | GEG |
| OR | Central Oregon Community College | Bend | 97701-5998 | ROM |
| OR | Chemeketa Community College | Salem | 97309-7070 | SLM |
| OR | Columbia Gorge Community College | The Dalles | 97058- | PDX |
| OR | Concordia University | Portland | 97211-6099 | PDX |
| OR | Coos County Library Service District | Coos Bay | 97420- | EUG |
| OR | Deschutes Public Library | Bend | 97701-2698 | ROM |
| OR | Douglas County Library System | Roseburg | 97470- | EUG |
| OR | Eastern Oregon University | La Grande | 97850-2899 | PSC |
| OR | George Fox University | Newberg | 97132-2698 | PDX |
| OR | Hatfield Marine Science Center-Guin Library | Newport | 97365- | SLM |
| OR | Lewis & Clark College | Portland | 97219- | PDX |
| OR | Library Information Network of Clackamas County | Oak Grove | 97267- | PDX |
| OR | Linfield College | McMinnville | 97128- | PDX |
| OR | Linfield College-Portland | Portland | 97210- | PDX |
| OR | Malheur County Library | Ontario | 97914-2712 | BOI |
| OR | Marylhurst University | Marylhurst | 97036-0911 | PDX |
| OR | Multnomah County Library | Portland | 97205- | PDX |
| OR | Oregon Health Sciences University | Portland | 97207-0573 | PDX |
| OR | Oregon Institute of Technology | Klamath Falls | 97601-8801 | LMT |
| OR | Oregon State Library | Salem | 97310-0640 | SLM |
| OR | Oregon State University | Corvallis | 97331-4501 | SLM |
| OR | Pendleton Public Library | Pendleton | 97801-1698 | PSC |
| OR | Portland Community College (Sylvania) | Portland | 97280-0990 | PDX |
| OR | Portland State University | Portland | 97207- | PDX |
| OR | Reed College | Portland | 97202-8199 | PDX |
| OR | Southern Oregon University | Ashland | 97520-5076 | MFR |
| OR | University of Oregon | Eugene | 97403-1299 | EUG |
| OR | University of Portland | Portland | 97283-0017 | PDX |
| OR | Warner Pacific College | Portland | 97215-4099 | PDX |
| OR | Washington County Cooperative Library Services | Hillsboro | 97006-0129 | PDX |
| OR | Western Baptist College | Salem | 97301-9392 | SLM |
| OR | Western Oregon University | Monmouth | 97361- | SLM |
| OR | Willamette University | Salem | 97301-3931 | SLM |
| WA | Central Washington University | Ellensburg | 98926- | YKM |
| WA | Clark College | Vancouver | 98663-3598 | PDX |
| WA | Fort Vancouver Regional Library | Vancouver | 98663- | PDX |
| WA | Hanford Technical Library | Richland | 99352- | PSC |
| WA | INCOL: Inland Northwest Council of Libraries | Spokane | 99251- | GEG |
| WA | Jefferson County Rural Library District | Port Hadlock | 98339-0990 | CLM |
| WA | King County Library System | Seattle | 98109-5191 | SEA |
| WA | Kitsap Regional Library | Bremerton | 98310-3498 | TAC |
| WA | Mid-Columbia Library, Kennewick Branch | Kennewick | 99336- | PSC |
| WA | North Central Regional Library | Wenatchee | 98801-8103 | EAT |
| WA | North Olympic Library System | Port Angeles | 98362-6536 | CLM |
| WA | Pacific Lutheran University | Tacoma | 98447-0013 | TAC |
| WA | Pierce County Rural Library District | Tacoma | 98446-2215 | TAC |
| WA | Saint Martin's College | Lacey | 98503- | OLY |
| WA | Seattle Pacific University | Seattle | 98119- | SEA |
| WA | Seattle Public Library | Seattle | 98104-1193 | SEA |
| WA | Sno-Isle Regional Library | Marysville | 98271-7417 | EVT |
| WA | Tacoma Public Library | Tacoma | 98402-2098 | TAC |
| WA | University of Puget Sound | Tacoma | 98416- | TAC |
| WA | University of Washington Libraries | Seattle | 98195-2900 | SEA |
| WA | Washington State Library | Olympia | 98504-2460 | OLY |
| WA | Washington State University (Holland Library) | Pullman | 99164-5610 | GEG |
| WA | Washington State University - Lower Columbia College | Longview | 98632-0310 | PDX |
| WA | Washington State University Tri-Cities | Richland | 99352-1671 | PSC |
| WA | Washington State University at Vancouver | Vancouver | 98686- | PDX |
| WA | Western Washington University | Bellingham | 98225-9103 | EVT |
| WA | Whatcom County Library System | Bellingham | 98226-9092 | EVT |
| WA | Whitman College | Walla Walla | 99362- | ALW |
| WA | Yakima Valley Regional Library | Yakima | 98901-2705 | YKM |