"Monarch, Colorado"@en . . . . "81227 (PO Box)" . "-7" . "Monarch, formerly named Garfield, is an unincorporated community and a U.S. Post Office located near Monarch Pass in Chaffee County, Colorado, United States. The Monarch U.S. Post Office has the ZIP Code 81227."@en . . "-6" . . . . "2909.0"^^ .