ZIP Code 71678 — Yorktown, AR
71678 is a standard (street delivery) ZIP code serving Yorktown, Arkansas, in Lincoln 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 71678 at a glance
| ZIP code | 71678 |
|---|---|
| Primary city | Yorktown |
| State | Arkansas (AR) |
| County | Lincoln FIPS 05079 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 33 |
| Coordinates | 34.025400, -91.815480 |
How ZIP+4 works in 71678
The four digits after the hyphen encode a delivery segment inside 71678. 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 71678 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 71678.
| ZIP | City | Distance |
|---|---|---|
| 71667 | Star City, AR | 6.4 mi |
| 71659 | Moscow, AR | 7.8 mi |
| 71644 | Grady, AR | 8.3 mi |
| 71601 | Pine Bluff, AR | 11.3 mi |
| 71643 | Gould, AR | 13.5 mi |
| 72133 | Reydell, AR | 16.9 mi |
| 71603 | Pine Bluff, AR | 17 mi |
| 71639 | Dumas, AR | 18.1 mi |
| 72004 | Altheimer, AR | 18.8 mi |
| 71665 | Rison, AR | 19.1 mi |
| 72175 | Wabbaseka, AR | 21.8 mi |
| 71662 | Pickens, AR | 22.6 mi |
Questions about 71678
What is the ZIP+4 code for 71678?
71678 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 71678, you need to look up a specific street address to get them.
What city is 71678?
71678 is assigned to Yorktown, Arkansas, in Lincoln 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.