ZIP Code 50107 — Grand Junction, IA
50107 is a standard (street delivery) ZIP code serving Grand Junction, Iowa, in Greene 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 50107 at a glance
| ZIP code | 50107 |
|---|---|
| Primary city | Grand Junction |
| State | Iowa (IA) |
| County | Greene FIPS 19073 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 764 |
| Coordinates | 42.035470, -94.219100 |
How ZIP+4 works in 50107
The four digits after the hyphen encode a delivery segment inside 50107. 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 50107 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 50107.
| ZIP | City | Distance |
|---|---|---|
| 50031 | Beaver, IA | 4.1 mi |
| 50064 | Dana, IA | 4.9 mi |
| 50235 | Rippey, IA | 7.3 mi |
| 50212 | Ogden, IA | 8.2 mi |
| 50129 | Jefferson, IA | 8.2 mi |
| 50217 | Paton, IA | 9.6 mi |
| 50040 | Boxholm, IA | 11.3 mi |
| 50128 | Jamaica, IA | 13.3 mi |
| 50223 | Pilot Mound, IA | 13.5 mi |
| 50220 | Perry, IA | 14.6 mi |
| 50544 | Harcourt, IA | 15.3 mi |
| 50066 | Dawson, IA | 15.9 mi |
Questions about 50107
What is the ZIP+4 code for 50107?
50107 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 50107, you need to look up a specific street address to get them.
What city is 50107?
50107 is assigned to Grand Junction, Iowa, in Greene 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.