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U.S. ZIP Code 50129
5-digit United States postal code #50129, Jefferson, IA
ZIP code 50129 is located in the city (place name) Jefferson, сounty Greene in the state of Iowa. The population in ZIP code 50129 is 5228 and the population density is 12.0. ZIP code 50129 refers to сounty Greene having сounty FIPS 19073, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19073: 100%. In the area of the ZIP code 50129 valid time zone America/Chicago.