ZIP Code 46971 — Grissom Arb, IN
46971 is a standard (street delivery) ZIP code serving Grissom Arb, Indiana, in Miami 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 46971 at a glance
| ZIP code | 46971 |
|---|---|
| Primary city | Grissom Arb |
| State | Indiana (IN) |
| County | Miami FIPS 18103 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Coordinates | 40.660600, -86.161680 |
How ZIP+4 works in 46971
The four digits after the hyphen encode a delivery segment inside 46971. 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 46971 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 46971.
| ZIP | City | Distance |
|---|---|---|
| 46967 | Onward, IN | 2.9 mi |
| 46914 | Bunker Hill, IN | 4 mi |
| 46959 | Miami, IN | 4.2 mi |
| 46994 | Walton, IN | 5 mi |
| 46932 | Galveston, IN | 6.9 mi |
| 46961 | New Waverly, IN | 7.4 mi |
| 46970 | Peru, IN | 8.5 mi |
| 46901 | Kokomo, IN | 9.4 mi |
| 46958 | Mexico, IN | 11.1 mi |
| 46911 | Amboy, IN | 11.5 mi |
| 46998 | Young America, IN | 11.5 mi |
| 46947 | Logansport, IN | 13 mi |
Questions about 46971
What is the ZIP+4 code for 46971?
46971 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 46971, you need to look up a specific street address to get them.
What city is 46971?
46971 is assigned to Grissom Arb, Indiana, in Miami 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.