There are 4 zip codes in Washington Parish, Louisiana. The most populated is 70438, located in Franklinton. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
70438 | Franklinton | 20,345 |
70427 | Bogalusa | 17,894 |
70426 | Angie | 5,912 |
70450 | Mount Hermon | 2,332 |