Joanna C Laine (Postmaster)
joanna.c.laine@usps.gov
200 Klondyke Rd
Long Beach, MS 39560
Long Beach, MS 39560
The Long Beach Post Office is located in the state of Mississippi within Harrison County. This location serves 16,844 Long Beach residents with a median income of $54,941. It's estimated that approximately 26,885 packages pass through this post office each year.