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is an unincorporated town and U.S. Post Office in Pueblo County, Colorado, United States. The ZIP Code of the Beulah Post Office is 81023.
The town of Mace's Hole was settled in 1862. The town was named for Juan Mace, a bandit who used the valley for a hideout. The Mace's Hole Post Office opened on April 23, 1873. A local preacher took umbrage at the town's name and suggested the biblical name Beulah as a more wholesome alternative. The name of the town was changed to Beulah on October 25, 1876.