zip4lookup

ZIP Code 60156 — Lake In The Hills, IL

60156 is a standard (street delivery) ZIP code serving Lake In The Hills, Illinois, in McHenry 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 60156 at a glance

ZIP code60156
Primary cityLake In The Hills
StateIllinois (IL)
CountyMcHenry FIPS 17111
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population28,800
Coordinates42.191210, -88.347880

How ZIP+4 works in 60156

The four digits after the hyphen encode a delivery segment inside 60156. In practice one segment usually means:

That is why 60156 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 60156.

ZIPCityDistance
60102 Algonquin, IL 2.7 mi
60014 Crystal Lake, IL 3 mi
60142 Huntley, IL 5.1 mi
60110 Carpentersville, IL 5.6 mi
60012 Crystal Lake, IL 5.9 mi
60118 Dundee, IL 6.1 mi
60013 Cary, IL 6.1 mi
60136 Gilberts, IL 6.1 mi
60021 Fox River Grove, IL 6.7 mi
60180 Union, IL 9.1 mi
60010 Barrington, IL 9.7 mi
60042 Island Lake, IL 9.8 mi

Questions about 60156

What is the ZIP+4 code for 60156?

60156 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 60156, you need to look up a specific street address to get them.

What city is 60156?

60156 is assigned to Lake In The Hills, Illinois, in McHenry 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