ZIP Code 61234 — Annawan, IL
61234 is a standard (street delivery) ZIP code serving Annawan, Illinois, in Henry 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 61234 at a glance
| ZIP code | 61234 |
|---|---|
| Primary city | Annawan |
| State | Illinois (IL) |
| County | Henry FIPS 17073 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,116 |
| Coordinates | 41.418040, -89.919470 |
How ZIP+4 works in 61234
The four digits after the hyphen encode a delivery segment inside 61234. 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 61234 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 61234.
| ZIP | City | Distance |
|---|---|---|
| 61344 | Mineral, IL | 4.4 mi |
| 61235 | Atkinson, IL | 5.5 mi |
| 61258 | Hooppole, IL | 7.2 mi |
| 61361 | Sheffield, IL | 7.9 mi |
| 61443 | Kewanee, IL | 11 mi |
| 61345 | Neponset, IL | 11.7 mi |
| 61346 | New Bedford, IL | 12 mi |
| 61254 | Geneseo, IL | 12.7 mi |
| 61277 | Prophetstown, IL | 12.9 mi |
| 61338 | Manlius, IL | 13.6 mi |
| 61283 | Tampico, IL | 13.7 mi |
| 61314 | Buda, IL | 15.2 mi |
Questions about 61234
What is the ZIP+4 code for 61234?
61234 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 61234, you need to look up a specific street address to get them.
What city is 61234?
61234 is assigned to Annawan, Illinois, in Henry 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.