ZIP Codes in Oconto, NE
Oconto uses 1 ZIP code, all in Custer County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Oconto ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 68860 | standard | Custer | 301 |
Finding a ZIP+4 in Oconto
Knowing which of these 1 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Oconto street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Oconto addresses and download it complete.