ZIP Code 21649 — Marydel, MD
21649 is a standard (street delivery) ZIP code serving Marydel, Maryland, in Queen Anne's County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 21649 at a glance
| ZIP code | 21649 |
|---|---|
| Primary city | Marydel |
| State | Maryland (MD) |
| County | Queen Anne's FIPS 24035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,890 |
| Coordinates | 39.136600, -75.774530 |
How ZIP+4 works in 21649
The four digits after the hyphen encode a delivery segment inside 21649. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 21649 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 21649.
| ZIP | City | Distance |
|---|---|---|
| 19964 | Marydel, DE | 4 mi |
| 19953 | Hartly, DE | 4.3 mi |
| 21607 | Barclay, MD | 4.4 mi |
| 21640 | Henderson, MD | 5.3 mi |
| 21644 | Ingleside, MD | 5.5 mi |
| 21668 | Sudlersville, MD | 5.5 mi |
| 21636 | Goldsboro, MD | 7.7 mi |
| 19955 | Kenton, DE | 8.5 mi |
| 19934 | Camden Wyoming, DE | 8.6 mi |
| 19938 | Clayton, DE | 9.2 mi |
| 21651 | Millington, MD | 9.5 mi |
| 19904 | Dover, DE | 9.9 mi |
Questions about 21649
What is the ZIP+4 code for 21649?
21649 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 21649, you need to look up a specific street address to get them.
What city is 21649?
21649 is assigned to Marydel, Maryland, in Queen Anne's County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.