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U.S. ZIP Code 20878
5-digit United States postal code #20878, Gaithersburg, MD
ZIP code 20878 is located in the city (place name) Gaithersburg, сounty Montgomery in the state of Maryland. The population in ZIP code 20878 is 62446 and the population density is 1100.4. ZIP code 20878 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 20878 valid time zone America/New_York.
Place Name: Gaithersburg
State Abbreviation: MD
Coordinates: 39° 6' 45.108" N, 77° 15' 5.112" W
Time zone: America/New_York
County FIPS: 24031
All county weights: 24031: 100%
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