zip4lookup

ZIP Code 43728 — Chesterhill, OH

43728 is a standard (street delivery) ZIP code serving Chesterhill, Ohio, in Morgan 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 43728 at a glance

ZIP code43728
Primary cityChesterhill
StateOhio (OH)
CountyMorgan FIPS 39115
ZIP typeStandard (street delivery)
Time zoneAmerica/New_York
Population1,223
Coordinates39.491880, -81.896760

How ZIP+4 works in 43728

The four digits after the hyphen encode a delivery segment inside 43728. In practice one segment usually means:

That is why 43728 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 43728.

ZIPCityDistance
45711 Amesville, OH 4.9 mi
43787 Stockport, OH 5.6 mi
45732 Glouster, OH 9.2 mi
45724 Cutler, OH 9.4 mi
43758 Malta, OH 9.5 mi
45740 Jacksonville, OH 9.8 mi
45782 Trimble, OH 9.8 mi
45778 Stewart, OH 10 mi
45761 Millfield, OH 11.6 mi
45786 Waterford, OH 12.9 mi
45784 Vincent, OH 13.2 mi
45719 Chauncey, OH 13.9 mi

Questions about 43728

What is the ZIP+4 code for 43728?

43728 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 43728, you need to look up a specific street address to get them.

What city is 43728?

43728 is assigned to Chesterhill, Ohio, in Morgan 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