1. Audio Hearing Aid Center 611 1st Ave N, Humboldt, IA 50548 Coordinate: 42.72228,-94.21715 Phone: (515) 604-6280
2. Berry Hearing Aid Audiology 622 Sumner Ave, Humboldt, IA 50548 Coordinate: 42.72099,-94.21715 Phone: (515) 332-4818