Zip Code Listings for Westminster, Colorado The following are the areas codes and zip codes for Westminster, Colorado 80003 (area code: 303)
80005 (area code: 303)
80020 (area code: 303)
80021 (area code: 303)
80030 (area code: 303)
80031 (area code: 303)
80035 (area code: 303)
80036 (area code: 303)
80221 (area code: 303)
80234 (area code: 303)
80241 (area code: 303)
80260 (area code: 303)