Main Ave. in front of Post Office By Carla Flanders On April 16, 2013 · Add Comment Loading Map.... Main Ave. in front of Post Office155 East Main Ave - ZeelandDetails 42.812617 -86.01441999999997 Address 155 East Main Ave Zeeland, MI Upcoming Events Kids Pedal Power Tractor Pull (registration @ 3:15 p.m.) - 10/02/2015 - 4:00 pm