ZIP Code 46104 — Arlington, IN
46104 is a standard (street delivery) ZIP code serving Arlington, Indiana, in Rush 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 46104 at a glance
| ZIP code | 46104 |
|---|---|
| Primary city | Arlington |
| State | Indiana (IN) |
| County | Rush FIPS 18139 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 1,121 |
| Coordinates | 39.660410, -85.595450 |
How ZIP+4 works in 46104
The four digits after the hyphen encode a delivery segment inside 46104. 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 46104 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 46104.
| ZIP | City | Distance |
|---|---|---|
| 46144 | Gwynneville, IN | 2.8 mi |
| 46161 | Morristown, IN | 5.3 mi |
| 46115 | Carthage, IN | 5.5 mi |
| 46146 | Homer, IN | 5.7 mi |
| 46150 | Manilla, IN | 7.8 mi |
| 46173 | Rushville, IN | 9.8 mi |
| 46155 | Mays, IN | 10.5 mi |
| 46117 | Charlottesville, IN | 10.7 mi |
| 46148 | Knightstown, IN | 11.2 mi |
| 46130 | Fountaintown, IN | 12.8 mi |
| 47337 | Dunreith, IN | 12.9 mi |
| 46176 | Shelbyville, IN | 13.2 mi |
Questions about 46104
What is the ZIP+4 code for 46104?
46104 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 46104, you need to look up a specific street address to get them.
What city is 46104?
46104 is assigned to Arlington, Indiana, in Rush 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.