ZIP Code 50540 — Fonda, IA
50540 is a standard (street delivery) ZIP code serving Fonda, Iowa, in Pocahontas 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 50540 at a glance
| ZIP code | 50540 |
|---|---|
| Primary city | Fonda |
| State | Iowa (IA) |
| County | Pocahontas FIPS 19151 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 998 |
| Coordinates | 42.600190, -94.840700 |
How ZIP+4 works in 50540
The four digits after the hyphen encode a delivery segment inside 50540. 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 50540 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 50540.
| ZIP | City | Distance |
|---|---|---|
| 50593 | Varina, IA | 4.9 mi |
| 50575 | Pomeroy, IA | 7.7 mi |
| 50568 | Newell, IA | 7.9 mi |
| 50551 | Jolley, IA | 9.2 mi |
| 50574 | Pocahontas, IA | 10.9 mi |
| 50561 | Lytton, IA | 12.4 mi |
| 50510 | Albert City, IA | 13.2 mi |
| 50571 | Palmer, IA | 13.4 mi |
| 50567 | Nemaha, IA | 13.7 mi |
| 50583 | Sac City, IA | 13.8 mi |
| 50563 | Manson, IA | 16.8 mi |
| 50588 | Storm Lake, IA | 16.9 mi |
Questions about 50540
What is the ZIP+4 code for 50540?
50540 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 50540, you need to look up a specific street address to get them.
What city is 50540?
50540 is assigned to Fonda, Iowa, in Pocahontas 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.