Los Angeles County Child Support 5770 S Eastern Ave City Of Commerce, CA 90040 Phone : (323) 890-9800 Business Category Administration Of Social Human Resource & Income Maintenance Programs Los Angeles County Of--central Fraud Reporting Line-24 Hours Call, Information Montebello, CA 90640 Phone : (323) 890-9800 Business Category Government Offices-County Government Offices & Public Schools Los Angeles County Of--cao Dept, Child Support Services Dept 5770 S Eastern Ave Los Angeles, CA 90040 Phone : (323) 890-9800 Business Category Government Offices-County Social Service & Welfare Organizations Individual & Family Social Services Child Support Services Residential Care For Children Residential Care Homes Homes Boys Homes Girls Government Offices & Public Schools