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U.S. ZIP Code 21045
5-digit United States postal code #21045, Columbia, MD
ZIP code 21045 is located in the city (place name) Columbia, сounty Howard in the state of Maryland. The population in ZIP code 21045 is 38288 and the population density is 1523.1. ZIP code 21045 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 21045 valid time zone America/New_York.
ZIP: 21045
County: Howard
Place Name: Columbia
State: Maryland
State Abbreviation: MD
Coordinates: 39° 12' 22.212" N, 76° 49' 38.892" W
Latitude: 39.206170000000
Longitude: -76.827470000000
Population: 38288
Density: 1523.1/km2
Time zone: America/New_York
County FIPS: 24027
All county weights: 24027: 100%