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U.S. ZIP Code 81138
5-digit United States postal code #81138, Jaroso, CO
ZIP code 81138 is located in the city (place name) Jaroso, сounty Costilla in the state of Colorado. The population in ZIP code 81138 is 56 and the population density is 0.9. ZIP code 81138 refers to сounty Costilla having сounty FIPS 08023, the ratio of people from different counties in this ZIP code is as follows: all county weights - 08023: 100%. In the area of the ZIP code 81138 valid time zone America/Denver.