Zip code 21690: Chestertown, Maryland
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 21690
21690 is a non-residential zip code for Chestertown, Maryland (Queen Anne's 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 21690, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Chestertown
- State
- Maryland
- County
- Queen Anne's County
- Center point
- 39.0346° N, 76.0921° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 21690
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 21656 | Price, MD · PO box | 0 mi | — |
| 21617 | Centreville, MD | 2.7 mi | $116,898 |
| 21658 | Queenstown, MD | 6.8 mi | $128,274 |
| 21679 | Wye Mills, MD | 7.9 mi | $119,821 |
| 21661 | Rock Hall, MD | 8 mi | $90,492 |
| 21657 | Queen Anne, MD | 8.9 mi | $104,940 |
| 21638 | Grasonville, MD | 9 mi | $140,086 |
| 21623 | Church Hill, MD | 9.1 mi | $78,345 |
| 21619 | Chester, MD | 11 mi | $107,639 |
| 21641 | Hillsboro, MD | 12 mi | $66,875 |
| 21620 | Chestertown, MD | 12 mi | $80,530 |
| 21660 | Ridgely, MD | 12 mi | $80,469 |
Questions about 21690
What city is zip code 21690?
21690 is assigned to Chestertown, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 21690 in?
21690 is in Queen Anne's County, Maryland.
What time zone is 21690 in?
21690 is in Eastern Time.
What zip codes are near 21690?
The closest zip codes to 21690 are 21656, 21617, 21658, 21679, 21661.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21690, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.