US location post office
ZIP Code 21837
- Zip Code: 21837
- Type: Standard
- Official USPS city name: Mardela Springs
- Official USPS State Code: MD
- Official State Name: Maryland
- ZCTA: TRUE
- Population: 3200.0
- Density: 27.8
- Primary Official County Code: 24045
- Primary Official County Name: Wicomico
- Official County Name: Wicomico
- Official County Code: 24045
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/New_York (16:42 PM Monday, May 12 2025-05-12 (GMT -0400))
- Geo Point: 38.45901, -75.76683
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