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/BLUE-ROCK

Blue Rock ZIP code, Ohio

The ZIP code for Blue Rock, OH is 43720, and its area code is 740.

USPS city name
1 ZIP code
Population
1,308
Area code
740
State
Ohio

NANPA lists no telephone rate centre for Blue Rock itself, so these are the area codes of the nearest one, Philo (4.6 miles). A town on an area-code boundary can differ from its neighbour.

Blue Rock in numbers

About 1,308 people live in Blue Rock, in 518 households. The median household income is $52,500 a year, 26% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $207,200 (4% below the Ohio median).

Population1,308Blue Rock1,308
Households518Blue Rock518
Median household income$52,500Blue Rock$52,500Ohio$71,389US $80,734
Median home value$207,200Blue Rock$207,200Ohio$214,800US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Blue Rock. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Blue Rock

ZIP codes with the USPS city name Blue Rock
ZIP City Type Population Median income Median home
43720 Blue Rock , OH Standard 1,308 $52,500 $207,200

Map of Blue Rock ZIP codes

43720

The ZIP codes of Blue Rock, 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 Blue Rock

The nearest larger towns are Duncan Falls (1,355 people, 6.3 mi), McConnelsville (1,955 people, 9.5 mi) and South Zanesville (2,211 people, 11 mi).

Towns near Blue Rock
TownPopulationDistance
Zanesville 24,740 13.2 mi
North Zanesville 2,758 14.5 mi
New Concord 2,657 15.5 mi
New Lexington 4,519 18.4 mi
Cambridge 10,060 21.9 mi
Nelsonville 4,279 29.6 mi

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

Cite this page

zipcodes.pro. “Blue Rock, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/blue-rock

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