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U.S. ZIP Code 74643
5-digit United States postal code #74643, Lamont, OK
ZIP code 74643 is located in the city (place name) Lamont, сounty Grant in the state of Oklahoma. The population in ZIP code 74643 is 615 and the population density is 2.2. ZIP code 74643 refers to сounty Grant having сounty FIPS 40053, the ratio of people from different counties in this ZIP code is as follows: all county weights - 40053: 100%. In the area of the ZIP code 74643 valid time zone America/Chicago.