The United States Zip codes
http://theunitedstateszipcodes.com
Winston-salem ZIP CODES
27101
27102
27103
27104
27105
27106
27107
27108
27109
27110
27111
27113
27114
27115
27116
27117
27120
27127
27130
27150
27152
27155
27157
27198
27199
27151
27156