zip4lookup

ZIP Code 61006 — Ashton, IL

61006 is a standard (street delivery) ZIP code serving Ashton, Illinois, in Lee 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.

Free. No account needed.

ZIP code 61006 at a glance

ZIP code61006
Primary cityAshton
StateIllinois (IL)
CountyLee FIPS 17103
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population1,541
Coordinates41.860780, -89.208360

How ZIP+4 works in 61006

The four digits after the hyphen encode a delivery segment inside 61006. In practice one segment usually means:

That is why 61006 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 61006.

ZIPCityDistance
61031 Franklin Grove, IL 5.9 mi
61331 Lee Center, IL 8.6 mi
61015 Chana, IL 9.2 mi
61057 Nachusa, IL 9.2 mi
61378 West Brooklyn, IL 9.6 mi
60553 Steward, IL 9.6 mi
61068 Rochelle, IL 9.6 mi
61061 Oregon, IL 11.6 mi
61318 Compton, IL 12.2 mi
61324 Eldena, IL 12.3 mi
61310 Amboy, IL 13.3 mi
60530 Lee, IL 13.5 mi

Questions about 61006

What is the ZIP+4 code for 61006?

61006 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 61006, you need to look up a specific street address to get them.

What city is 61006?

61006 is assigned to Ashton, Illinois, in Lee 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.

Bulk lookup API docs