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U.S. ZIP Code 81040
5-digit United States postal code #81040, Gardner, CO
ZIP code 81040 is located in the city (place name) Gardner, сounty Huerfano in the state of Colorado. The population in ZIP code 81040 is 536 and the population density is 0.4. ZIP code 81040 refers to сounty Huerfano having сounty FIPS 08055, the ratio of people from different counties in this ZIP code is as follows: all county weights - 08055: 100%. In the area of the ZIP code 81040 valid time zone America/Denver.