Gretna, LA zip codes
Gretna, Louisiana has 3 zip codes (2 residential, 1 PO box or single-organization). Most of it is in Jefferson Parish. Together these zip codes are home to about 57K people.
Zip codes
3
Population
57K
All zips combined
Largest zip
70056
40,348 residents
Income range
$40K–$59K
Median by zip