ZIP Code 21650 — Massey, MD
21650 is a standard (street delivery) ZIP code serving Massey, Maryland, in Kent 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 21650 at a glance
| ZIP code | 21650 |
|---|---|
| Primary city | Massey |
| State | Maryland (MD) |
| County | Kent FIPS 24029 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 265 |
| Coordinates | 39.312860, -75.807950 |
How ZIP+4 works in 21650
The four digits after the hyphen encode a delivery segment inside 21650. 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 21650 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 21650.
| ZIP | City | Distance |
|---|---|---|
| 21635 | Galena, MD | 2.5 mi |
| 21651 | Millington, MD | 4.6 mi |
| 21930 | Georgetown, MD | 6 mi |
| 19938 | Clayton, DE | 7 mi |
| 21913 | Cecilton, MD | 7.5 mi |
| 21912 | Warwick, MD | 7.7 mi |
| 21628 | Crumpton, MD | 8.1 mi |
| 21645 | Kennedyville, MD | 8.2 mi |
| 21668 | Sudlersville, MD | 8.8 mi |
| 19734 | Townsend, DE | 9.7 mi |
| 19955 | Kenton, DE | 9.7 mi |
| 21919 | Earleville, MD | 10 mi |
Questions about 21650
What is the ZIP+4 code for 21650?
21650 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 21650, you need to look up a specific street address to get them.
What city is 21650?
21650 is assigned to Massey, Maryland, in Kent 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.