US location post office
ZIP Code 21231
- Zip Code: 21231
- Type: Standard
- Official USPS city name: Baltimore
- Official USPS State Code: MD
- Official State Name: Maryland
- ZCTA: TRUE
- Population: 15854.0
- Density: 7026.8
- Primary Official County Code: 24510
- Primary Official County Name: Baltimore
- Official County Name: Baltimore
- Official County Code: 24510
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/New_York (21:58 PM Monday, May 20 2024-05-20 (GMT -0400))
- Geo Point: 39.2871, -76.59238
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