Zip code 20423: Washington, District of Columbia
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 20423
20423 is a non-residential zip code for Washington, District of Columbia (District of Columbia). 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 20423, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Washington
- State
- District of Columbia
- County
- District of Columbia
- Center point
- 38.8933° N, 77.0146° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 20423
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 20013 | Washington, DC · PO box | 0 mi | — |
| 20026 | Washington, DC · PO box | 0 mi | — |
| 20029 | Washington, DC · PO box | 0 mi | — |
| 20030 | Washington, DC · PO box | 0 mi | — |
| 20033 | Washington, DC · PO box | 0 mi | — |
| 20035 | Washington, DC · PO box | 0 mi | — |
| 20038 | Washington, DC · PO box | 0 mi | — |
| 20039 | Washington, DC · PO box | 0 mi | — |
| 20040 | Washington, DC · PO box | 0 mi | — |
| 20041 | Washington, DC · PO box | 0 mi | — |
| 20042 | Washington, DC · PO box | 0 mi | — |
| 20043 | Washington, DC · PO box | 0 mi | — |
Questions about 20423
What city is zip code 20423?
20423 is assigned to Washington, District of Columbia. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 20423 in?
20423 is in District of Columbia, District of Columbia.
What time zone is 20423 in?
20423 is in Eastern Time.
What zip codes are near 20423?
The closest zip codes to 20423 are 20013, 20026, 20029, 20030, 20033.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20423, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.