ZIP 49301
About 60 percent of 49301 is Ada Township, with roughly 19 percent in northern Cascade Township, 13 percent in Cannon Township and small edges of Grattan, Lowell, Vergennes and Grand Rapids townships. Around seven-tenths falls inside Forest Hills. Ada Village on M-21 holds the post office and the 1867 covered bridge, while wooded subdivisions, walkout lots above the Grand and Thornapple rivers, and the Forest Hills Eastern campus fill the rest.