ZIP Code 52041 — Earlville, IA
52041 is a standard (street delivery) ZIP code serving Earlville, Iowa, in Delaware 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 52041 at a glance
| ZIP code | 52041 |
|---|---|
| Primary city | Earlville |
| State | Iowa (IA) |
| County | Delaware FIPS 19055 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,468 |
| Coordinates | 42.505100, -91.255150 |
How ZIP+4 works in 52041
The four digits after the hyphen encode a delivery segment inside 52041. 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 52041 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 52041.
| ZIP | City | Distance |
|---|---|---|
| 52036 | Delaware, IA | 4.9 mi |
| 52040 | Dyersville, IA | 5.9 mi |
| 52223 | Delhi, IA | 7.2 mi |
| 52050 | Greeley, IA | 7.9 mi |
| 52065 | New Vienna, IA | 9.5 mi |
| 52057 | Manchester, IA | 10.1 mi |
| 52078 | Worthington, IA | 10.4 mi |
| 52237 | Hopkinton, IA | 11.1 mi |
| 52035 | Colesburg, IA | 11.2 mi |
| 52056 | Luxemburg, IA | 11.5 mi |
| 52046 | Farley, IA | 13.2 mi |
| 52042 | Edgewood, IA | 13.4 mi |
Questions about 52041
What is the ZIP+4 code for 52041?
52041 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 52041, you need to look up a specific street address to get them.
What city is 52041?
52041 is assigned to Earlville, Iowa, in Delaware 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.