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/OK/DOVER

Dover ZIP code, Oklahoma

The ZIP code for Dover, OK is 73734, and its area code is 405.

USPS city name
1 ZIP code
Population
316
Area code
405

Dover in numbers

About 316 people live in Dover, in 173 households. The median household income is $43,036 a year, 34% below the Oklahoma median of $65,039 (US: $80,734). The median owner-occupied home is valued at $121,400 (39% below the Oklahoma median), and median gross rent is $835 a month. The median age is 47.5; 6.7% of adults 25 and over hold a bachelor's degree or higher (28.3% across Oklahoma); the average commute takes 24 minutes.

Population316Dover316
Households173Dover173
Median age47.5Dover47.5Oklahoma37.0US 38.9
Median household income$43,036Dover$43,036Oklahoma$65,039US $80,734
Median home value$121,400Dover$121,400Oklahoma$199,800US $332,700
Median gross rent$835Dover$835Oklahoma$1,014US $1,413
Bachelor's degree or higher6.7%Dover6.7%Oklahoma28.3%US 35.7%
Mean commute24.3 minDover24.3 minOklahoma22.4 minUS 26.4 min
Population density1,016 / sq miDover1,016 / sq mi

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

ZIP codes addressed as Dover

ZIP codes with the USPS city name Dover
ZIP City Type Population Median income Median home
73734 Dover , OK Standard 747 $54,643 $150,800

Map of Dover ZIP codes

73734

The ZIP codes of Dover, OK, 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 Dover

The nearest larger towns are Hennessey (2,567 people, 8.6 mi), Kingfisher (5,026 people, 9.6 mi) and Crescent (1,527 people, 18 mi).

Towns near Dover
TownPopulationDistance
Hennessey 2,567 8.6 mi
Kingfisher 5,026 9.6 mi
Piedmont 8,342 22.9 mi
Guthrie 11,243 29.0 mi
Watonga 2,623 29.0 mi
Enid 50,653 29.5 mi

More nearby: every ZIP code in Kingfisher County · Oklahoma ZIP codes

Cite this page

zipcodes.pro. “Dover, OK ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ok/dover

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