ZIP Code 21113 — Odenton, MD
21113 is a standard (street delivery) ZIP code serving Odenton, Maryland, in Anne Arundel 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 21113 at a glance
| ZIP code | 21113 |
|---|---|
| Primary city | Odenton |
| State | Maryland (MD) |
| County | Anne Arundel FIPS 24003 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 36,705 |
| Coordinates | 39.054480, -76.715190 |
How ZIP+4 works in 21113
The four digits after the hyphen encode a delivery segment inside 21113. 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 21113 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 21113.
| ZIP | City | Distance |
|---|---|---|
| 21054 | Gambrills, MD | 3.1 mi |
| 21114 | Crofton, MD | 3.5 mi |
| 20755 | Fort George G Meade, MD | 3.5 mi |
| 20724 | Laurel, MD | 4.4 mi |
| 20715 | Bowie, MD | 4.9 mi |
| 21144 | Severn, MD | 5 mi |
| 20720 | Bowie, MD | 5.5 mi |
| 21108 | Millersville, MD | 5.6 mi |
| 21032 | Crownsville, MD | 6.1 mi |
| 20701 | Annapolis Junction, MD | 6.4 mi |
| 20708 | Laurel, MD | 6.4 mi |
| 20769 | Glenn Dale, MD | 7.1 mi |
Questions about 21113
What is the ZIP+4 code for 21113?
21113 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 21113, you need to look up a specific street address to get them.
What city is 21113?
21113 is assigned to Odenton, Maryland, in Anne Arundel 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.