Zip code 20643: Ironsides, Maryland
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 20643
20643 is a non-residential zip code for Ironsides, Maryland (Charles County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 20643, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Ironsides
- State
- Maryland
- County
- Charles County
- Center point
- 38.5039° N, 77.1483° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 20643
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 20640 | Indian Head, MD | 3.3 mi | $100,593 |
| 20693 | Welcome, MD | 4.5 mi | $126,033 |
| 20658 | Marbury, MD | 4.6 mi | $104,375 |
| 20662 | Nanjemoy, MD | 6.1 mi | $86,699 |
| 20677 | Port Tobacco, MD | 6.1 mi | $165,764 |
| 22135 | Quantico, VA · PO box | 8 mi | — |
| 20646 | La Plata, MD | 8.1 mi | $131,974 |
| 22026 | Dumfries, VA | 8.9 mi | $124,318 |
| 20604 | Waldorf, MD · PO box | 9 mi | — |
| 20675 | Pomfret, MD | 9.1 mi | $127,269 |
| 20611 | Bel Alton, MD | 9.3 mi | $151,607 |
| 22191 | Woodbridge, VA | 10 mi | $109,316 |
Questions about 20643
What city is zip code 20643?
20643 is assigned to Ironsides, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 20643 in?
20643 is in Charles County, Maryland.
What time zone is 20643 in?
20643 is in Eastern Time.
What zip codes are near 20643?
The closest zip codes to 20643 are 20640, 20693, 20658, 20662, 20677.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20643, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.