List of Alpha Phi Omega chapters
Wikimedia list article

Alpha Phi Omega is a coeducational collegiate service fraternity, founded at Lafayette College in Easton, Pennsylvania in 1925. It has active chapters at over 350 colleges and universities. Alpha Phi Omega also has several extension efforts, which are groups that are preparing to become active chapters. Such groups begin as interest groups, then become petitioning groups as the last step before gaining (or regaining) their charter and becoming active chapters. Alpha Phi Omega organizes its U.S. chapters into 18 geographical regions designated by letters.
Chapters
In the following list of North American Alpha Phi Omega chapters, active chapters are indicated in bold and inactive chapters and institutions are in italics.
Regions
Alpha Phi Omega organizes its U.S. chapters into eighteen regions. The regions are named using the alphabet letters, starting with "A" in the Pacific Northwest, then moving south and then east. Following is a list of the regions and the areas they cover.
Region A
Alaska
California's counties of Alameda, Alpine, Amador, Butte, Calaveras, Colusa, Contra Costa, Del Norte, El Dorado, Fresno, Glenn, Humboldt, Inyo, Kings, Lake, Lassen, Madera, Marin, Mariposa, Mendocino, Merced, Modoc, Mono, Monterey, Napa, Nevada, Placer, Plumas, Sacramento, San Benito, San Francisco, San Joaquin, San Mateo, Santa Clara, Santa Cruz, Shasta, Sierra, Siskiyou, Solano, Sonoma, Stanislaus, Sutter, Tehama, Trinity, Tulare, Tuolumne, Yolo, and Yuba; and Nevada's counties of Carson City, Churchill, Douglas, Elko, Esmeralda, Eureka, Humboldt, Lander, Lincoln, Lyon, Mineral, Nye, Pershing, Storey, Washoe, and White Pine
Idaho
Montana
Oregon
Washington
Region B
Arizona
California's counties of Imperial, Kern, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura
Hawaii
Nevada's Clark County
New Mexico
Utah
all commonwealths, territories, and possessions of the United States located in the Western Waters
Region C
Arkansas's counties of Baxter, Benton, Boone, Carroll, Clay, Cleburne, Conway, Craighead, Crawford, Crittenden, Cross, Faulkner, Franklin, Fulton, Greene, Independence, Izard, Jackson, Johnson, Lawrence, Logan, Madison, Marion, Mississippi, Newton, Perry, Poinsett, Pope, Randolph, Scott, Searcy, Sebastian, Sharp, St.
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