ZIP code 21781
Where is ZIP code 21781?
Saint James, Maryland
Washington County · PO Box only ZIP code
ZIP code 21781 belongs to Saint James, Maryland in Washington County. 21781 is a PO Box only ZIP code: it is used for post office boxes at the Saint James post office, not for street addresses. It is in the Eastern Time zone and uses area codes 227, 240 and 301. About 25 people live in the 21781 area. The closest ZIP codes are 21733 (Fairplay, 0.7 mi south), 21746 (Hagerstown, 2.2 mi east) and 21795 (Williamsport, 3 mi northwest).
| ZIP code | 21781 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Saint James |
| State | Maryland (MD) |
| County | Washington County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 39.5699, -77.7607 map |
| 3-digit prefix | 217 |
Population and income in 21781
| Population | 25 · lower than 99% of Maryland ZIP codes |
|---|---|
| People per square mile | 104 · lower than 77% of Maryland ZIP codes |
| Median age | 21.9 years · lower than 98% of Maryland ZIP codes |
| Men / women | 48% / 52% |
| Income per person | $0 |
| Below the poverty line | 100% |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Housing units | 0 |
| Households | 0 |
| Land area | 0.24 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21781. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21781
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21733 | Fairplay, MD | 0.7 mi S | Standard |
| 21746 | Hagerstown, MD | 2.2 mi E | Unique |
| 21795 | Williamsport, MD | 3 mi NW | Standard |
| 21713 | Boonsboro, MD | 3.7 mi E | Standard |
| 21734 | Funkstown, MD | 4 mi NE | PO Box only |
| 21740 | Hagerstown, MD | 4.5 mi N | Standard |
| 21741 | Hagerstown, MD | 5.4 mi NE | PO Box only |
| 21747 | Hagerstown, MD | 5.4 mi NE | PO Box only |
| 21749 | Hagerstown, MD | 5.4 mi NE | Unique |
| 25419 | Falling Waters, WV | 6.7 mi W | Standard |
| 21742 | Hagerstown, MD | 7.1 mi NE | Standard |
| 21721 | Chewsville, MD | 8.3 mi NE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21781 or measure the distance to another ZIP code.
How to address mail to 21781
PO BOX 123
SAINT JAMES MD 21781
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21781-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21781?
- 21781 is a Saint James, Maryland ZIP code.
- What county is 21781 in?
- ZIP code 21781 is in Washington County, Maryland.
- What time zone is ZIP code 21781 in?
- 21781 is in the Eastern Time zone (America/New_York).
- What area code is 21781?
- Phone numbers in ZIP code 21781 use area codes 227, 240 and 301.
- What is the population of ZIP code 21781?
- About 25 people live in ZIP code 21781, according to the Census Bureau’s American Community Survey (2020–2024).
- Can I use 21781 for a street address?
- No. 21781 is only for PO Boxes. Street addresses in Saint James use another ZIP code.
- What ZIP codes are near 21781?
- The nearest ZIP codes to 21781 are 21733 (Fairplay, 0.7 miles), 21746 (Hagerstown, 2.2 miles), 21795 (Williamsport, 3 miles) and 21713 (Boonsboro, 3.7 miles).