ZIP Code 62033 — Gillespie, IL
62033 is a standard (street delivery) ZIP code serving Gillespie, Illinois, in Macoupin 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 62033 at a glance
| ZIP code | 62033 |
|---|---|
| Primary city | Gillespie |
| State | Illinois (IL) |
| County | Macoupin FIPS 17117 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 4,294 |
| Coordinates | 39.135610, -89.844470 |
How ZIP+4 works in 62033
The four digits after the hyphen encode a delivery segment inside 62033. 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 62033 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 62033.
| ZIP | City | Distance |
|---|---|---|
| 62023 | Eagarville, IL | 3.8 mi |
| 62009 | Benld, IL | 3.8 mi |
| 62085 | Sawyerville, IL | 4.5 mi |
| 62093 | Wilsonville, IL | 4.6 mi |
| 62069 | Mount Olive, IL | 6.4 mi |
| 62685 | Shipman, IL | 8.2 mi |
| 62014 | Bunker Hill, IL | 8.5 mi |
| 62088 | Staunton, IL | 8.8 mi |
| 62056 | Litchfield, IL | 9.7 mi |
| 62626 | Carlinville, IL | 10.5 mi |
| 62058 | Livingston, IL | 12.3 mi |
| 62021 | Dorsey, IL | 13.1 mi |
Questions about 62033
What is the ZIP+4 code for 62033?
62033 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 62033, you need to look up a specific street address to get them.
What city is 62033?
62033 is assigned to Gillespie, Illinois, in Macoupin 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.