ZIP Code 50072 — Earlham, IA
50072 is a standard (street delivery) ZIP code serving Earlham, Iowa, in Madison 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 50072 at a glance
| ZIP code | 50072 |
|---|---|
| Primary city | Earlham |
| State | Iowa (IA) |
| County | Madison FIPS 19121 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,979 |
| Coordinates | 41.469840, -94.121150 |
How ZIP+4 works in 50072
The four digits after the hyphen encode a delivery segment inside 50072. 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 50072 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 50072.
| ZIP | City | Distance |
|---|---|---|
| 50069 | De Soto, IA | 5.9 mi |
| 50070 | Dexter, IA | 6.1 mi |
| 50273 | Winterset, IA | 10.3 mi |
| 50261 | Van Meter, IA | 10.3 mi |
| 50003 | Adel, IA | 10.6 mi |
| 50233 | Redfield, IA | 10.9 mi |
| 50250 | Stuart, IA | 11.4 mi |
| 50038 | Booneville, IA | 12 mi |
| 50218 | Patterson, IA | 15.1 mi |
| 50263 | Waukee, IA | 15.5 mi |
| 50164 | Menlo, IA | 15.7 mi |
| 50146 | Linden, IA | 16 mi |
Questions about 50072
What is the ZIP+4 code for 50072?
50072 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 50072, you need to look up a specific street address to get them.
What city is 50072?
50072 is assigned to Earlham, Iowa, in Madison 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.