1. Sonus 1075 Yorba Pl, Placentia, CA 92870 Coordinate: 33.88991,-117.84479 Phone: (714) 898-5732
2. HearUSA 1041 E Yorba Linda Blvd Ste 202, Placentia, CA 92870 Coordinate: 33.88891,-117.84502 Phone: (714) 579-0717