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U.S. ZIP Code 72440
5-digit United States postal code #72440, Lynn, AR
ZIP code 72440 is located in the city (place name) Lynn, сounty Lawrence in the state of Arkansas. The population in ZIP code 72440 is 255 and the population density is 16.6. ZIP code 72440 refers to сounty Lawrence having сounty FIPS 05075, the ratio of people from different counties in this ZIP code is as follows: all county weights - 05075: 100%. In the area of the ZIP code 72440 valid time zone America/Chicago.