United States Government--united States Postal Service, Postal Information, North Stonington Post Office 391 Norwich Westerly Rd North Stonington, CT 06359 Phone : (860) 535-2871 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - North Stonington 391 Norwich Westerly Rd North Stonington, CT 06359 Phone : (860) 535-2871 Post Office - North Stonington Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--united States Postal Service, Post Offices, North Stonington Post Office 391 Norwich Westerly Rd Stonington, CT 06378 Phone : (860) 535-2871 Business Category Post Offices Government Offices & Public Schools