: Located in Underwood, Minnesota , primarily in Otter Tail County. 01586 : Serving West Millbury, Massachusetts .
: Corresponds to Plainfield, Illinois , a suburban area near Chicago.
: The digits "586" also serve as the Area Code for several cities in Michigan , including Warren, Sterling Heights, and St. Clair Shores. ZIP Code™ Lookup - USPS Tracking
: Located in Underwood, Minnesota , primarily in Otter Tail County. 01586 : Serving West Millbury, Massachusetts .
: Corresponds to Plainfield, Illinois , a suburban area near Chicago.
: The digits "586" also serve as the Area Code for several cities in Michigan , including Warren, Sterling Heights, and St. Clair Shores. ZIP Code™ Lookup - USPS Tracking
