ZIP Code 42064 — Marion, KY
42064 is a standard (street delivery) ZIP code serving Marion, Kentucky, in Crittenden 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 42064 at a glance
| ZIP code | 42064 |
|---|---|
| Primary city | Marion |
| State | Kentucky (KY) |
| County | Crittenden FIPS 21055 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 8,098 |
| Coordinates | 37.350220, -88.091580 |
How ZIP+4 works in 42064
The four digits after the hyphen encode a delivery segment inside 42064. 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 42064 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 42064.
| ZIP | City | Distance |
|---|---|---|
| 42411 | Fredonia, KY | 10.7 mi |
| 42078 | Salem, KY | 10.8 mi |
| 62919 | Cave In Rock, IL | 12.1 mi |
| 42037 | Dycusburg, KY | 14.2 mi |
| 42463 | Wheatcroft, KY | 15.2 mi |
| 42459 | Sturgis, KY | 15.3 mi |
| 62982 | Rosiclare, IL | 15.7 mi |
| 42028 | Burna, KY | 15.7 mi |
| 62931 | Elizabethtown, IL | 16 mi |
| 42083 | Tiline, KY | 16.4 mi |
| 42404 | Clay, KY | 16.6 mi |
| 42047 | Hampton, KY | 16.7 mi |
Questions about 42064
What is the ZIP+4 code for 42064?
42064 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 42064, you need to look up a specific street address to get them.
What city is 42064?
42064 is assigned to Marion, Kentucky, in Crittenden 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.