70056 is zip code located in Gretna, Louisiana. The population is 38,903, making 70056 the largest zipcode in Gretna and the 5th largest in Jefferson Parish.
There are 2 public schools in 70056 with an average Homefacts rating of C+. The total crime rate for Gretna is high , and there are 38 registered sex offenders residing in the zip code 70056. Unemployment in 70056 is moderate.