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U.S. ZIP Code 83340
5-digit United States postal code #83340, Ketchum, ID
ZIP code 83340 is located in the city (place name) Ketchum, сounty Blaine in the state of Idaho. The population in ZIP code 83340 is 4682 and the population density is 3.3. ZIP code 83340 refers to сounty Blaine having сounty FIPS 16013, the ratio of people from different counties in this ZIP code is as follows: all county weights - 16013: 100%. In the area of the ZIP code 83340 valid time zone America/Boise.