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U.S. ZIP Code 11973
5-digit United States postal code #11973, Upton, NY
ZIP code 11973 is located in the city (place name) Upton, сounty Suffolk in the state of New York. The population in ZIP code 11973 is 9 and the population density is 0.8. ZIP code 11973 refers to сounty Suffolk having сounty FIPS 36103, the ratio of people from different counties in this ZIP code is as follows: all county weights - 36103: 100%. In the area of the ZIP code 11973 valid time zone America/New_York.