ZIP code 20889
Where is ZIP code 20889?
Bethesda, Maryland
Montgomery County · Unique ZIP code
ZIP code 20889 belongs to Bethesda, Maryland in Montgomery County. 20889 is a unique ZIP code assigned to a single organization (National Naval Medical Ctr) that gets a lot of mail. It is in the Eastern Time zone and uses area codes 227, 240 and 301. About 584 people live in the 20889 area. The closest ZIP codes are 20813 (Bethesda, 0 mi north), 20827 (Bethesda, 0 mi north) and 20848 (Rockville, 0 mi north).
| ZIP code | 20889 |
|---|---|
| Type | Unique ZIP code for a single organization |
| Status | Active |
| City | Bethesda |
| State | Maryland (MD) |
| County | Montgomery County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 39.144, -77.2076 map |
| 3-digit prefix | 208 |
Population and income in 20889
| Population | 584 · lower than 82% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,497 · higher than 71% of Maryland ZIP codes |
| Median age | 21.9 years · lower than 98% of Maryland ZIP codes |
| Men / women | 78% / 22% |
| Income per person | $45,106 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 34% of adults 25+ |
| Housing units | 21 |
| Households | 21 (2.24 people on average) |
| Owners / renters | 0.0% / 100% |
| Land area | 0.39 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20889. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20889
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20813 | Bethesda, MD | 0 mi N | PO Box only |
| 20827 | Bethesda, MD | 0 mi N | PO Box only |
| 20848 | Rockville, MD | 0 mi N | PO Box only |
| 20859 | Potomac, MD | 0 mi N | PO Box only |
| 20875 | Germantown, MD | 0 mi N | PO Box only |
| 20884 | Gaithersburg, MD | 0 mi N | PO Box only |
| 20894 | Bethesda, MD | 0 mi N | Unique |
| 20898 | Gaithersburg, MD | 0 mi N | PO Box only |
| 20899 | Gaithersburg, MD | 0.8 mi W | Unique |
| 20877 | Gaithersburg, MD | 1 mi E | Standard |
| 20880 | Washington Grove, MD | 1.9 mi E | PO Box only |
| 20879 | Gaithersburg, MD | 2.3 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20889 or measure the distance to another ZIP code.
How to address mail to 20889
123 MAIN ST
BETHESDA MD 20889
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20889-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Bethesda, MD
All Bethesda ZIP codes with population and income →
Questions
- What city is ZIP code 20889?
- 20889 is a Bethesda, Maryland ZIP code.
- What county is 20889 in?
- ZIP code 20889 is in Montgomery County, Maryland.
- What time zone is ZIP code 20889 in?
- 20889 is in the Eastern Time zone (America/New_York).
- What area code is 20889?
- Phone numbers in ZIP code 20889 use area codes 227, 240 and 301.
- What is the population of ZIP code 20889?
- About 584 people live in ZIP code 20889, according to the Census Bureau’s American Community Survey (2020–2024).
- Can I use 20889 for a street address?
- Only for mail to the organization it is assigned to. Other addresses in Bethesda use a standard ZIP code.
- What ZIP codes are near 20889?
- The nearest ZIP codes to 20889 are 20813 (Bethesda, 0 miles), 20827 (Bethesda, 0 miles), 20848 (Rockville, 0 miles) and 20859 (Potomac, 0 miles).