Extension Service-home Ec 28 E State St # 200 Farmington, UT 84025 Phone : (801) 451-3404 Business Category Government Offices-County Legislative Bodies Davis County Of--non-county Agencies & Service Districts, Usu Extension Service, Home Economics Farmington, UT 84025 Phone : (801) 451-3404 Business Category Government Offices-County Government Offices & Public Schools