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U.S. ZIP Code 21231
5-digit United States postal code #21231, Baltimore, MD
ZIP code 21231 is located in the city (place name) Baltimore, сounty Baltimore in the state of Maryland. The population in ZIP code 21231 is 15748 and the population density is 6979.8. ZIP code 21231 refers to сounty Baltimore having сounty FIPS 24510, the ratio of people from different counties in this ZIP code is as follows: all county weights - 24510: 100%. In the area of the ZIP code 21231 valid time zone America/New_York.
ZIP: 21231
County: Baltimore
Place Name: Baltimore
State: Maryland
State Abbreviation: MD
Coordinates: 39° 17' 13.92" N, 76° 35' 32.28" W
Latitude: 39.287200000000
Longitude: -76.592300000000
Population: 15748
Density: 6979.8/km2
Time zone: America/New_York
County FIPS: 24510
All county weights: 24510: 100%