ZIP Code 72021 — Brinkley, AR
72021 is a standard (street delivery) ZIP code serving Brinkley, Arkansas, in Monroe 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 72021 at a glance
| ZIP code | 72021 |
|---|---|
| Primary city | Brinkley |
| State | Arkansas (AR) |
| County | Monroe FIPS 05095 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,491 |
| Coordinates | 34.859530, -91.211930 |
How ZIP+4 works in 72021
The four digits after the hyphen encode a delivery segment inside 72021. 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 72021 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 72021.
| ZIP | City | Distance |
|---|---|---|
| 72392 | Wheatley, AR | 9.4 mi |
| 72036 | Cotton Plant, AR | 10.7 mi |
| 72029 | Clarendon, AR | 10.9 mi |
| 72108 | Monroe, AR | 11 mi |
| 72017 | Biscoe, AR | 11.3 mi |
| 72368 | Moro, AR | 11.4 mi |
| 72340 | Goodwin, AR | 12.2 mi |
| 72074 | Hunter, AR | 15.7 mi |
| 72372 | Palestine, AR | 16.7 mi |
| 72041 | De Valls Bluff, AR | 16.9 mi |
| 72040 | Des Arc, AR | 19.1 mi |
| 72134 | Roe, AR | 19.4 mi |
Questions about 72021
What is the ZIP+4 code for 72021?
72021 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 72021, you need to look up a specific street address to get them.
What city is 72021?
72021 is assigned to Brinkley, Arkansas, in Monroe 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.