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U.S. ZIP Code 21036
5-digit United States postal code #21036, Dayton, MD
ZIP code 21036 is located in the city (place name) Dayton, сounty Howard in the state of Maryland. The population in ZIP code 21036 is 2114 and the population density is 129.6. ZIP code 21036 refers to сounty Howard having сounty FIPS 24027, the ratio of people from different counties in this ZIP code is as follows: all county weights - 24027: 100%. In the area of the ZIP code 21036 valid time zone America/New_York.