ZIP Code 74027 — Delaware, OK
74027 is a standard (street delivery) ZIP code serving Delaware, Oklahoma, in Nowata 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 74027 at a glance
| ZIP code | 74027 |
|---|---|
| Primary city | Delaware |
| State | Oklahoma (OK) |
| County | Nowata FIPS 40105 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 759 |
| Coordinates | 36.802850, -95.586280 |
How ZIP+4 works in 74027
The four digits after the hyphen encode a delivery segment inside 74027. 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 74027 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 74027.
| ZIP | City | Distance |
|---|---|---|
| 74042 | Lenapah, OK | 5.9 mi |
| 74048 | Nowata, OK | 8.4 mi |
| 74072 | S Coffeyville, OK | 9.9 mi |
| 74083 | Wann, OK | 12.8 mi |
| 74029 | Dewey, OK | 16.4 mi |
| 67337 | Coffeyville, KS | 17.4 mi |
| 74006 | Bartlesville, OK | 18 mi |
| 67340 | Dearing, KS | 19 mi |
| 74016 | Chelsea, OK | 19.5 mi |
| 67364 | Tyro, KS | 20.7 mi |
| 74080 | Talala, OK | 20.8 mi |
| 74301 | Vinita, OK | 21 mi |
Questions about 74027
What is the ZIP+4 code for 74027?
74027 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 74027, you need to look up a specific street address to get them.
What city is 74027?
74027 is assigned to Delaware, Oklahoma, in Nowata 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.