ZIP Code 52163 — Protivin, IA
52163 is a standard (street delivery) ZIP code serving Protivin, Iowa, in Howard 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 52163 at a glance
| ZIP code | 52163 |
|---|---|
| Primary city | Protivin |
| State | Iowa (IA) |
| County | Howard FIPS 19089 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 333 |
| Coordinates | 43.219760, -92.103150 |
How ZIP+4 works in 52163
The four digits after the hyphen encode a delivery segment inside 52163. 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 52163 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 52163.
| ZIP | City | Distance |
|---|---|---|
| 52154 | Lawler, IA | 7.4 mi |
| 52168 | Spillville, IA | 7.6 mi |
| 52165 | Ridgeway, IA | 8.5 mi |
| 52144 | Fort Atkinson, IA | 9 mi |
| 52132 | Calmar, IA | 9.3 mi |
| 52171 | Waucoma, IA | 10.4 mi |
| 52136 | Cresco, IA | 10.5 mi |
| 52166 | Saint Lucas, IA | 13.4 mi |
| 50659 | New Hampton, IA | 14.3 mi |
| 50628 | Elma, IA | 14.8 mi |
| 52155 | Lime Springs, IA | 16.6 mi |
| 50603 | Alta Vista, IA | 18 mi |
Questions about 52163
What is the ZIP+4 code for 52163?
52163 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 52163, you need to look up a specific street address to get them.
What city is 52163?
52163 is assigned to Protivin, Iowa, in Howard 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.