ZIP Code 72721 — Combs, AR
72721 is a standard (street delivery) ZIP code serving Combs, Arkansas, in Madison 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 72721 at a glance
| ZIP code | 72721 |
|---|---|
| Primary city | Combs |
| State | Arkansas (AR) |
| County | Madison FIPS 05087 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 851 |
| Coordinates | 35.783830, -93.784020 |
How ZIP+4 works in 72721
The four digits after the hyphen encode a delivery segment inside 72721. 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 72721 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 72721.
| ZIP | City | Distance |
|---|---|---|
| 72760 | Saint Paul, AR | 5.7 mi |
| 72776 | Witter, AR | 10.6 mi |
| 72727 | Elkins, AR | 12 mi |
| 72752 | Pettigrew, AR | 12.6 mi |
| 72852 | Oark, AR | 14 mi |
| 72949 | Ozark, AR | 15.7 mi |
| 72959 | Winslow, AR | 15.9 mi |
| 72773 | Wesley, AR | 16.3 mi |
| 72854 | Ozone, AR | 20.5 mi |
| 72742 | Kingston, AR | 21.2 mi |
| 72947 | Mulberry, AR | 21.7 mi |
| 72946 | Mountainburg, AR | 21.7 mi |
Questions about 72721
What is the ZIP+4 code for 72721?
72721 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 72721, you need to look up a specific street address to get them.
What city is 72721?
72721 is assigned to Combs, Arkansas, in Madison 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.