usaddress

type Address struct {
	PrimaryNumber   string // House or building number
	StreetPredir    string // Pre-directional (e.g., N, S)
	StreetName      string
	StreetSuffix    string
	StreetPostdir   string // Post-directional (e.g., NW)
	SecondaryUnit   string // e.g., APT 101
	City            string
	State           string
	ZIPCode         string
	Plus4           string // Optional ZIP+4 code
	POBox           string // For PO Box addresses
	RuralRoute      string // For rural route addresses
	HighwayContract string // For highway contract route addresses
}