The necessary information is sender/recipient's full name, street address, city, state and zip code. Below is detail information. 70785-7901 is a ZIP Code 5 Plus 4 number of 29000 (From 29000 To 29099) WALKER RD S (South) , WALKER, LA, USA.Below is detail information. The map information is for reference only. ZIP Code Boundary Data. Allowed HTML tags: