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U.S. ZIP Code 20851
5-digit United States postal code #20851, Rockville, MD
ZIP code 20851 is located in the city (place name) Rockville, сounty Montgomery in the state of Maryland. The population in ZIP code 20851 is 14191 and the population density is 2316.1. ZIP code 20851 refers to сounty Montgomery having сounty FIPS 24031, the ratio of people from different counties in this ZIP code is as follows: all county weights - 24031: 100%. In the area of the ZIP code 20851 valid time zone America/New_York.
Place Name: Rockville
State Abbreviation: MD
Coordinates: 39° 4' 42.384" N, 77° 7' 18.732" W
Time zone: America/New_York
County FIPS: 24031
All county weights: 24031: 100%
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