ZIP Code 52358 — West Branch, IA
52358 is a standard (street delivery) ZIP code serving West Branch, Iowa, in Cedar 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 52358 at a glance
| ZIP code | 52358 |
|---|---|
| Primary city | West Branch |
| State | Iowa (IA) |
| County | Cedar FIPS 19031 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,598 |
| Coordinates | 41.696440, -91.320970 |
How ZIP+4 works in 52358
The four digits after the hyphen encode a delivery segment inside 52358. 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 52358 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 52358.
| ZIP | City | Distance |
|---|---|---|
| 52776 | West Liberty, IA | 8.4 mi |
| 52245 | Iowa City, IA | 9.7 mi |
| 52772 | Tipton, IA | 10 mi |
| 52240 | Iowa City, IA | 10.2 mi |
| 52720 | Atalissa, IA | 10.8 mi |
| 52333 | Solon, IA | 11.3 mi |
| 52242 | Iowa City, IA | 11.7 mi |
| 52760 | Moscow, IA | 13.9 mi |
| 52253 | Lisbon, IA | 13.9 mi |
| 52235 | Hills, IA | 14 mi |
| 52241 | Coralville, IA | 14.2 mi |
| 52306 | Mechanicsville, IA | 14.3 mi |
Questions about 52358
What is the ZIP+4 code for 52358?
52358 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 52358, you need to look up a specific street address to get them.
What city is 52358?
52358 is assigned to West Branch, Iowa, in Cedar 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.