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 — STATE/MO/COUNTY/PUTNAM

Putnam County, MO ZIP codes

Putnam County, MO has 5 ZIP codes, in 5 towns: 63565, 63551, 63567, 64655 and 64672.

The county seat is Unionville.

ZIP codes
5
Towns
5
County seat
Unionville
County FIPS
29171
Population
4,642
Median household income
$63,510
Land area
517 sq mi

Putnam County ZIP codes by town

Unionville (county seat)
63565

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Putnam County ZIP codes

The ZIP codes of Putnam County, 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.

Putnam County in numbers

About 4,642 people live in Putnam County, in 1,791 households, the 110th most populous of Missouri's 115 counties. The median household income is $63,510 a year, 10% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $119,500 (48% below the Missouri median), and median gross rent is $521 a month. The median age is 45.9; 22.6% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 19 minutes.

Population4,642Putnam4,642
Households1,791Putnam1,791
Median age45.9Putnam45.9Missouri39.0US 38.9
Median household income$63,510Putnam$63,510Missouri$70,702US $80,734
Median home value$119,500Putnam$119,500Missouri$230,300US $332,700
Median gross rent$521Putnam$521Missouri$1,033US $1,413
Bachelor's degree or higher22.6%Putnam22.6%Missouri32.4%US 35.7%
Mean commute19.4 minPutnam19.4 minMissouri23.5 minUS 26.4 min
Population density9 / sq miPutnam9 / sq mi

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

Largest towns in Putnam County

Largest towns in Putnam County
TownZIP codesPopulation
Unionville 1 1,824
Powersville 1 62
Lucerne 1 35
Worthington 1 24
Livonia 1 12

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Putnam County.

Not sure you are in Putnam County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Putnam County, with figures

ZIP codes in Putnam County
ZIP City Type Population Median income Median home
63551 Livonia , MO Standard 251 $76,389 —
63565 Unionville , MO Standard 3,965 $69,643 $127,800
63567 Worthington , MO Standard 70 $61,111 —
64655 Lucerne , MO Standard 93 — —
64672 Powersville , MO Standard 185 $43,250 —

Cite this page

zipcodes.pro. “Putnam County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/putnam

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