ZIP code 21628
Where is ZIP code 21628?
Crumpton, Maryland
Queen Anne's County · PO Box only ZIP code
ZIP code 21628 belongs to Crumpton, Maryland in Queen Anne's County. 21628 is a PO Box only ZIP code: it is used for post office boxes at the Crumpton post office, not for street addresses. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 248 people live in the 21628 area, where the median household income is $115,417. The closest ZIP codes are 21651 (Millington, 3.1 mi northeast), 21668 (Sudlersville, 5.1 mi southeast) and 21645 (Kennedyville, 5.6 mi northwest).
| ZIP code | 21628 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Crumpton |
| State | Maryland (MD) |
| County | Queen Anne's County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.233, -75.9195 map |
| 3-digit prefix | 216 |
Population and income in 21628
| Population | 248 · lower than 90% of Maryland ZIP codes |
|---|---|
| People per square mile | 264 · lower than 59% of Maryland ZIP codes |
| Median age | 49.8 years · higher than 81% of Maryland ZIP codes |
| Men / women | 40% / 61% |
| Median household income | $115,417 · higher than 57% of Maryland ZIP codes |
| Income per person | $48,695 |
| Below the poverty line | 21% |
| Bachelor’s degree or higher | 20% of adults 25+ |
| Median home value | $160,200 · lower than 96% of Maryland ZIP codes |
| Housing units | 177 |
| Households | 127 (1.95 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 0.94 sq mi (plus 0.12 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21628. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21628
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21651 | Millington, MD | 3.1 mi NE | Standard |
| 21668 | Sudlersville, MD | 5.1 mi SE | Standard |
| 21645 | Kennedyville, MD | 5.6 mi NW | Standard |
| 21623 | Church Hill, MD | 7 mi SW | Standard |
| 21650 | Massey, MD | 7.6 mi NE | Standard |
| 21635 | Galena, MD | 7.7 mi N | Standard |
| 21607 | Barclay, MD | 7.8 mi SE | Standard |
| 21644 | Ingleside, MD | 8.3 mi S | Standard |
| 21620 | Chestertown, MD | 8.7 mi W | Standard |
| 21930 | Georgetown, MD | 9.4 mi N | PO Box only |
| 21667 | Still Pond, MD | 9.5 mi NW | Standard |
| 21670 | Templeville, MD | 10.6 mi SE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21628 or measure the distance to another ZIP code.
How to address mail to 21628
PO BOX 123
CRUMPTON MD 21628
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21628-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21628?
- 21628 is a Crumpton, Maryland ZIP code.
- What county is 21628 in?
- ZIP code 21628 is in Queen Anne's County, Maryland.
- What time zone is ZIP code 21628 in?
- 21628 is in the Eastern Time zone (America/New_York).
- What area code is 21628?
- Phone numbers in ZIP code 21628 use area codes 410, 443 and 667.
- What is the population of ZIP code 21628?
- About 248 people live in ZIP code 21628, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21628?
- The median household income in 21628 is $115,417 a year, higher than 57% of Maryland ZIP codes.
- Can I use 21628 for a street address?
- No. 21628 is only for PO Boxes. Street addresses in Crumpton use another ZIP code.
- What ZIP codes are near 21628?
- The nearest ZIP codes to 21628 are 21651 (Millington, 3.1 miles), 21668 (Sudlersville, 5.1 miles), 21645 (Kennedyville, 5.6 miles) and 21623 (Church Hill, 7 miles).