ZIP Code 42027 — Boaz, KY
42027 is a standard (street delivery) ZIP code serving Boaz, Kentucky, in Graves 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 42027 at a glance
| ZIP code | 42027 |
|---|---|
| Primary city | Boaz |
| State | Kentucky (KY) |
| County | Graves FIPS 21083 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,875 |
| Coordinates | 36.915850, -88.630180 |
How ZIP+4 works in 42027
The four digits after the hyphen encode a delivery segment inside 42027. 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 42027 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 42027.
| ZIP | City | Distance |
|---|---|---|
| 42051 | Hickory, KY | 4.2 mi |
| 42003 | Paducah, KY | 6.7 mi |
| 42069 | Melber, KY | 7.1 mi |
| 42082 | Symsonia, KY | 7.1 mi |
| 42061 | Lowes, KY | 8 mi |
| 42001 | Paducah, KY | 9.3 mi |
| 42035 | Cunningham, KY | 11.4 mi |
| 42060 | Lovelaceville, KY | 11.4 mi |
| 42066 | Mayfield, KY | 12.6 mi |
| 42058 | Ledbetter, KY | 12.9 mi |
| 42086 | West Paducah, KY | 13.8 mi |
| 42039 | Fancy Farm, KY | 14.2 mi |
Questions about 42027
What is the ZIP+4 code for 42027?
42027 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 42027, you need to look up a specific street address to get them.
What city is 42027?
42027 is assigned to Boaz, Kentucky, in Graves 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.