ZIP code 20689
Where is ZIP code 20689?
Sunderland, Maryland
Calvert County · Standard ZIP code
ZIP code 20689 belongs to Sunderland, Maryland in Calvert County. 20689 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 1,809 people live in the 20689 area, where the median household income is $161,833. The closest ZIP codes are 20732 (Chesapeake Beach, 2.6 mi northeast), 20639 (Huntingtown, 3 mi southwest) and 20736 (Owings, 3.6 mi northwest).
| ZIP code | 20689 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Sunderland |
| State | Maryland (MD) |
| County | Calvert County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 38.649, -76.5767 map |
| 3-digit prefix | 206 |
Population and income in 20689
| Population | 1,809 · lower than 67% of Maryland ZIP codes |
|---|---|
| People per square mile | 235 · lower than 62% of Maryland ZIP codes |
| Median age | 48.1 years · higher than 77% of Maryland ZIP codes |
| Men / women | 59% / 41% |
| Median household income | $161,833 · higher than 86% of Maryland ZIP codes |
| Income per person | $88,978 |
| Below the poverty line | 2.4% |
| Bachelor’s degree or higher | 30% of adults 25+ |
| Median home value | $490,500 · higher than 69% of Maryland ZIP codes |
| Housing units | 618 |
| Households | 618 (2.93 people on average) |
| Owners / renters | 93% / 7.0% |
| Land area | 7.71 sq mi (plus 0.02 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20689. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20689
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20732 | Chesapeake Beach, MD | 2.6 mi NE | Standard |
| 20639 | Huntingtown, MD | 3 mi SW | Standard |
| 20736 | Owings, MD | 3.6 mi NW | Standard |
| 20714 | North Beach, MD | 4.9 mi NE | Standard |
| 20758 | Friendship, MD | 6 mi N | Standard |
| 20754 | Dunkirk, MD | 7.3 mi NW | Standard |
| 20678 | Prince Frederick, MD | 8 mi S | Standard |
| 20779 | Tracys Landing, MD | 8.2 mi N | Standard |
| 20608 | Aquasco, MD | 8.8 mi SW | Standard |
| 20610 | Barstow, MD | 8.8 mi S | PO Box only |
| 20751 | Deale, MD | 9.4 mi N | Standard |
| 20676 | Port Republic, MD | 10.9 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20689 or measure the distance to another ZIP code.
How to address mail to 20689
123 MAIN ST
SUNDERLAND MD 20689
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20689-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 20689?
- 20689 is a Sunderland, Maryland ZIP code.
- What county is 20689 in?
- ZIP code 20689 is in Calvert County, Maryland.
- What time zone is ZIP code 20689 in?
- 20689 is in the Eastern Time zone (America/New_York).
- What area code is 20689?
- Phone numbers in ZIP code 20689 use area codes 410, 443 and 667.
- What is the population of ZIP code 20689?
- About 1,809 people live in ZIP code 20689, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20689?
- The median household income in 20689 is $161,833 a year, higher than 86% of Maryland ZIP codes.
- What ZIP codes are near 20689?
- The nearest ZIP codes to 20689 are 20732 (Chesapeake Beach, 2.6 miles), 20639 (Huntingtown, 3 miles), 20736 (Owings, 3.6 miles) and 20714 (North Beach, 4.9 miles).