19966 zip code is for the millsboro city which is located in sussex county of the delaware state. The complete information of the zip code 19966 is given below :
| Zip code | 19966 |
| City | Millsboro |
| County | Sussex |
| State | Delaware |
| Country | United States |
| Time zone | Eastern standard time (GMT -05:00) |
| Latitude | 38.5766° N |
| Longitude | 75.3179° W |