Houghton Lake Heights, MI

ZIP code 48630 serves Kawkawlin and nearby parts of Bay County, Michigan, northwest of Bay City. The area is characterized by a mix of residential neighborhoods, open land, and waterways. Its most notable natural landmark is the Kawkawlin River, which flows toward Saginaw Bay; Kawkawlin Township Park is a local recreation site. Bay City’s services and attractions are a short drive to the southeast.