Zip code 21020: Boring, Maryland
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 21020
21020 is a non-residential zip code for Boring, Maryland (Baltimore 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 21020, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Boring
- State
- Maryland
- County
- Baltimore County
- Center point
- 39.5213° N, 76.8047° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 21020
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 21071 | Glyndon, MD | 2.6 mi | $213,500 |
| 21023 | Butler, MD | 3.4 mi | $84,474 |
| 21155 | Upperco, MD | 3.6 mi | $123,158 |
| 21030 | Cockeysville, MD | 5.7 mi | $89,015 |
| 21136 | Reisterstown, MD | 6.1 mi | $118,500 |
| 21048 | Finksburg, MD | 6.5 mi | $131,921 |
| 21117 | Owings Mills, MD | 6.7 mi | $101,831 |
| 21152 | Sparks Glencoe, MD | 6.7 mi | $121,350 |
| 21074 | Hampstead, MD | 7.2 mi | $108,536 |
| 21031 | Hunt Valley, MD | 8.2 mi | — |
| 21065 | Hunt Valley, MD · PO box | 8.4 mi | — |
| 21153 | Stevenson, MD | 9.1 mi | $220,179 |
Questions about 21020
What city is zip code 21020?
21020 is assigned to Boring, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 21020 in?
21020 is in Baltimore County, Maryland.
What time zone is 21020 in?
21020 is in Eastern Time.
What zip codes are near 21020?
The closest zip codes to 21020 are 21071, 21023, 21155, 21030, 21136.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21020, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.