zip4lookup

ZIP Code 61063 — Pecatonica, IL

61063 is a standard (street delivery) ZIP code serving Pecatonica, Illinois, in Winnebago 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 61063 at a glance

ZIP code61063
Primary cityPecatonica
StateIllinois (IL)
CountyWinnebago FIPS 17201
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population4,011
Coordinates42.313050, -89.346910

How ZIP+4 works in 61063

The four digits after the hyphen encode a delivery segment inside 61063. In practice one segment usually means:

That is why 61063 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 61063.

ZIPCityDistance
61077 Seward, IL 5 mi
61088 Winnebago, IL 5.5 mi
61067 Ridott, IL 6.5 mi
61024 Durand, IL 9 mi
61019 Davis, IL 9.4 mi
61070 Rock City, IL 9.5 mi
61039 German Valley, IL 9.6 mi
61101 Rockford, IL 10.3 mi
61047 Leaf River, IL 11.3 mi
61102 Rockford, IL 11.3 mi
61079 Shirland, IL 11.6 mi
61018 Dakota, IL 12.8 mi

Questions about 61063

What is the ZIP+4 code for 61063?

61063 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 61063, you need to look up a specific street address to get them.

What city is 61063?

61063 is assigned to Pecatonica, Illinois, in Winnebago 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