ZIP Code 68307 — Avoca, NE
68307 is a standard (street delivery) ZIP code serving Avoca, Nebraska, in Cass 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 68307 at a glance
| ZIP code | 68307 |
|---|---|
| Primary city | Avoca |
| State | Nebraska (NE) |
| County | Cass FIPS 31025 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 336 |
| Coordinates | 40.787690, -96.140540 |
How ZIP+4 works in 68307
The four digits after the hyphen encode a delivery segment inside 68307. 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 68307 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 68307.
| ZIP | City | Distance |
|---|---|---|
| 68417 | Otoe, NE | 4.4 mi |
| 68463 | Weeping Water, NE | 6.1 mi |
| 68413 | Nehawka, NE | 7.6 mi |
| 68349 | Elmwood, NE | 8.8 mi |
| 68403 | Manley, NE | 9.3 mi |
| 68446 | Syracuse, NE | 9.7 mi |
| 68454 | Unadilla, NE | 10.1 mi |
| 68346 | Dunbar, NE | 10.4 mi |
| 68407 | Murdock, NE | 11.2 mi |
| 68455 | Union, NE | 12.7 mi |
| 68409 | Murray, NE | 13 mi |
| 68037 | Louisville, NE | 13.6 mi |
Questions about 68307
What is the ZIP+4 code for 68307?
68307 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 68307, you need to look up a specific street address to get them.
What city is 68307?
68307 is assigned to Avoca, Nebraska, in Cass 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.