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About Mosca, Colorado

Mosca is an unincorporated town and a U.S. Post Office in Alamosa County, Colorado, United States. It was named for the nearby Mosca Pass, which was named for the Spanish explorer, Luis de Moscoso de Alvarado. The Mosca Post Office has the ZIP Code 81146.

News from Mosca

Mosca Facts

  • Elevation: 7559
  • Postal Codes: 81146
  • Timezone: Mountain