City · Maryland · United States
Linthicum Heights, MD — ZIP codes
1 ZIP code · Anne Arundel County
- City
- Linthicum Heights
- County
- Anne Arundel
- State
- Maryland
- Country
- United States
- Postal code
- 21090Single source
- Coordinates
- 39.2092, -76.6681 View on OpenStreetMap
- Area codes
- 410, 443, 667, 301 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 21090 | Linthicum Heights | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.