ZIP Code 46135 — Greencastle, IN
46135 is a standard (street delivery) ZIP code serving Greencastle, Indiana, in Putnam 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 46135 at a glance
| ZIP code | 46135 |
|---|---|
| Primary city | Greencastle |
| State | Indiana (IN) |
| County | Putnam FIPS 18133 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 19,632 |
| Coordinates | 39.659090, -86.891070 |
How ZIP+4 works in 46135
The four digits after the hyphen encode a delivery segment inside 46135. 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 46135 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 46135.
| ZIP | City | Distance |
|---|---|---|
| 46170 | Putnamville, IN | 6.2 mi |
| 46128 | Fillmore, IN | 7.9 mi |
| 46105 | Bainbridge, IN | 8.3 mi |
| 46171 | Reelsville, IN | 9.5 mi |
| 46120 | Cloverdale, IN | 11.5 mi |
| 46121 | Coatesville, IN | 11.6 mi |
| 47837 | Carbon, IN | 12 mi |
| 46175 | Russellville, IN | 12.1 mi |
| 46172 | Roachdale, IN | 12.3 mi |
| 47853 | Harmony, IN | 12.8 mi |
| 47857 | Knightsville, IN | 14.1 mi |
| 47836 | Bridgeton, IN | 14.9 mi |
Questions about 46135
What is the ZIP+4 code for 46135?
46135 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 46135, you need to look up a specific street address to get them.
What city is 46135?
46135 is assigned to Greencastle, Indiana, in Putnam 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.