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U.S. ZIP Code 50054
5-digit United States postal code #50054, Colfax, IA
ZIP code 50054 is located in the city (place name) Colfax, сounty Jasper in the state of Iowa. The population in ZIP code 50054 is 3356 and the population density is 22.2. ZIP code 50054 refers to сounty Jasper having сounty FIPS 19099, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19099: 100%. In the area of the ZIP code 50054 valid time zone America/Chicago.