ZIP Code 74833 — Castle, OK
74833 is a standard (street delivery) ZIP code serving Castle, Oklahoma, in Okfuskee 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 74833 at a glance
| ZIP code | 74833 |
|---|---|
| Primary city | Castle |
| State | Oklahoma (OK) |
| County | Okfuskee FIPS 40107 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 574 |
| Coordinates | 35.582620, -96.411930 |
How ZIP+4 works in 74833
The four digits after the hyphen encode a delivery segment inside 74833. 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 74833 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 74833.
| ZIP | City | Distance |
|---|---|---|
| 74829 | Boley, OK | 5.9 mi |
| 74860 | Paden, OK | 9.6 mi |
| 74859 | Okemah, OK | 9.8 mi |
| 74046 | Milfay, OK | 14.8 mi |
| 74071 | Slick, OK | 15.8 mi |
| 74010 | Bristow, OK | 15.9 mi |
| 74028 | Depew, OK | 15.9 mi |
| 74837 | Cromwell, OK | 16.7 mi |
| 74864 | Prague, OK | 17.5 mi |
| 74079 | Stroud, OK | 17.6 mi |
| 74869 | Sparks, OK | 19.4 mi |
| 74880 | Weleetka, OK | 21.5 mi |
Questions about 74833
What is the ZIP+4 code for 74833?
74833 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 74833, you need to look up a specific street address to get them.
What city is 74833?
74833 is assigned to Castle, Oklahoma, in Okfuskee 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.