19731 zip code is for the port penn city which is located in new castle county of the delaware state. The complete information of the zip code 19731 is given below :


Zip code19731
CityPort Penn
CountyNew Castle
StateDelaware
CountryUnited States
Time zoneEastern standard time (GMT -05:00)
Latitude39.5194° N
Longitude75.5775° W