ZIP Code 21046

Zip Code: 21046
Type: Standard
Official USPS city name: Columbia
Official USPS State Code: MD
Official State Name: Maryland
ZCTA: TRUE
Population: 15655.0
Density: 775.5
Primary Official County Code: 24027
Primary Official County Name: Howard
Official County Name: Howard
Official County Code: 24027
Imprecise: FALSE
Military: FALSE
Timezone: America/New_York (06:20 AM Wednesday, June 24 2026-06-24 (GMT -0400))
Geo Point: 39.17356, -76.84188

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