"Official" OA Links
(Sites supported/sponsored/approved/maintained by OA Service Boards)

Overeaters Anonymous: World Service Office Web Site for Overeaters Anonymous
Region 1:  AK, ID, MT, OR, WA, WY, AB, BC, NWT, SK, Yukon
Region 2:  CA, HI, Northern Sierra NV, Mexico
Region 3:   AZ, CO, NV, NM, OK, TX, & UT
Region 4:  KA, MO, IL, IO, NE, MN, SD, ND, NW Ontario, & Manitoba
Region 5:  Northern IL, IN, MI, OH, WI, & Southern Ontario
Region 6:  NY, CT, MA, RI, NH, ME, VT, Central and Eastern Ontario, Quebec, Newfoundland, New Brunswick, Nova Scotia and Prince Edward Island
Region 7:  DC, DE, KY, MD, NJ, NY, PA, VA, & WV
Region 8:  AL, FL, GA, LA, MS, NC, SC, TN, Puerto Rico, Virgin Islands, All South America, Central America and the Caribbean
Region 9:  Africa, Asia, Europe, Middle East, Central America, All other countries and territories not listed in Regions 1 through 8 or Region 10
Region 10:  Australia, New Zealand, Asia and Oceania

Arkansas

River Valley IG

California

Northern California OA / HOW Intergroup
Channel Islands Intergroup - Ventura and Santa Barbara   Link in question
East Bay Unity Intergroup - Oakland Area
Los Angeles Intergroup
Orange County Intergroup
Sacramento Valley Intergroup
San Diego Intergroup
San Fernando, California Intergroup
San Francisco, California Intergroup
San Joaquin Valley Intergroup   Link in question
Silicon Valley Intergroup
Sonoma County Intergroup

Connecticut

Connecticut Intergroup

Delaware

Diamond State Intergroup: Delaware and Cecil County Maryland (in Region 7)

District of Columbia

DC-Maryland Intergroup:  Not including Baltimore, Annapolis, or Frederick

Florida

Central Florida Intergroup
Naples Area Meeting List
Northeast Florida Intergroup
Palm Beach, Florida Intergroup

Georgia

Atlanta Overeaters Anonymous

Illinois

Chicago North Suburban Intergroup
Chicago Turning Point Intergroup
Chicago Western Intergroup
DuPage County Intergroup
Greater Rockford Intergroup
Quad City Intergroup - Moline, Sterling, and Muscatine IL plus Wilton and Bettendorf IA. St. Louis Bi-State Intergroup - Includes southwestern Illinois

Indiana

Bloomington / South Central Indiana
Elkhart, Fort Wayne, Goshen, Niles, South Bend, Warsaw / Three Rivers Intergroup
Indianapolis / Central Indiana Intergroup
Northwest Indiana Intergroup