List of Quest Diagnostics Stores in Wallingford, CT Outlet Note Regular Brands Quest Diagnostics Connecticut Wallingford Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Wallingford 850 N Main St Ext (203) 949-1260 Quest Diagnostics outlet - Wallingford 15 S Elm St (203) 949-1260 Quest Diagnostics outlet - Wallingford 3 Sterling Dr (203) 949-5500 People Also Viewed