ZIP Code 62326 — Colchester, IL
62326 is a standard (street delivery) ZIP code serving Colchester, Illinois, in McDonough 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 62326 at a glance
| ZIP code | 62326 |
|---|---|
| Primary city | Colchester |
| State | Illinois (IL) |
| County | McDonough FIPS 17109 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,236 |
| Coordinates | 40.422480, -90.815010 |
How ZIP+4 works in 62326
The four digits after the hyphen encode a delivery segment inside 62326. 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 62326 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 62326.
| ZIP | City | Distance |
|---|---|---|
| 62374 | Tennessee, IL | 5.1 mi |
| 61455 | Macomb, IL | 8.7 mi |
| 62367 | Plymouth, IL | 8.7 mi |
| 61420 | Blandinsville, IL | 9.2 mi |
| 61475 | Sciota, IL | 12.5 mi |
| 61450 | La Harpe, IL | 13.7 mi |
| 61440 | Industry, IL | 13.9 mi |
| 61416 | Bardolph, IL | 14.2 mi |
| 61438 | Good Hope, IL | 14.2 mi |
| 62311 | Augusta, IL | 14.9 mi |
| 61452 | Littleton, IL | 15.1 mi |
| 62321 | Carthage, IL | 15.3 mi |
Questions about 62326
What is the ZIP+4 code for 62326?
62326 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 62326, you need to look up a specific street address to get them.
What city is 62326?
62326 is assigned to Colchester, Illinois, in McDonough 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.