Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/OH/HEMLOCK

Hemlock ZIP codes, Ohio

No ZIP code is named for Hemlock, OH; addresses there use a neighbouring town's name. The ZIP code covering it is 43730. Its area code is 740.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
255
Area code
740
State
Ohio

NANPA lists no telephone rate centre for Hemlock itself, so these are the area codes of the nearest one, Corning (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Hemlock in numbers

About 255 people live in Hemlock, in 83 households. The median owner-occupied home is valued at $52,500 (76% below the Ohio median), and median gross rent is $1,101 a month. The median age is 35.5; 8.8% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 39 minutes.

Population255Hemlock255
Households83Hemlock83
Median age35.5Hemlock35.5Ohio39.7US 38.9
Median home value$52,500Hemlock$52,500Ohio$214,800US $332,700
Median gross rent$1,101Hemlock$1,101Ohio$1,034US $1,413
Bachelor's degree or higher8.8%Hemlock8.8%Ohio31.5%US 35.7%
Mean commute39.1 minHemlock39.1 minOhio23.4 minUS 26.4 min
Population density685 / sq miHemlock685 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Hemlock village. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Hemlock

These ZIP codes cover part of Hemlock but are addressed as somewhere else.

ZIP codes overlapping Hemlock
ZIP City Type Population Median income Median home
43730 Corning , OH Standard 2,749 $45,313 $172,900

Map of Hemlock ZIP codes

43730

The ZIP codes of Hemlock, OH, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Hemlock

The nearest larger towns are Shawnee (396 people, 2.9 mi), Corning (497 people, 3.5 mi) and New Straitsville (684 people, 4.2 mi).

Towns near Hemlock
TownPopulationDistance
New Lexington 4,519 9.1 mi
Nelsonville 4,279 9.9 mi
Logan 6,993 14.0 mi
The Plains 2,748 15.7 mi
Athens 23,396 18.6 mi
Lancaster 41,249 25.8 mi
Zanesville 24,740 26.2 mi
North Zanesville 2,758 28.5 mi
Buckeye Lake 2,525 29.5 mi
Baltimore 3,050 29.7 mi

More nearby: every ZIP code in Perry County · Ohio ZIP codes

Cite this page

zipcodes.pro. “Hemlock, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/hemlock

Underlying data is public domain or openly licensed — sources, vintages and licences.