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/MONTGOMERY

Montgomery County, MO ZIP codes

Montgomery County, MO has 6 ZIP codes, in 6 towns: 63361, 63363, 63384, 65069, 63333 and 63350. 2 more cross into it from neighbouring counties: 65041 and 63359.

The county seat is Montgomery City.

ZIP codes
6
Partly in it
2 more
Towns
6
County seat
Montgomery City
County FIPS
29139
Population
11,426
Median household income
$65,500
Land area
535 sq mi
Area code
636

Montgomery County ZIP codes by town

Montgomery City (county seat)
63361

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.

ZIP codes partly in Montgomery County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Montgomery County.

Map of Montgomery County ZIP codes

The ZIP codes of Montgomery 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.

Montgomery County in numbers

About 11,426 people live in Montgomery County, in 4,640 households, the 79th most populous of Missouri's 115 counties. The median household income is $65,500 a year, 7% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $178,700 (22% below the Missouri median), and median gross rent is $788 a month. The median age is 43.6; 17.7% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 29 minutes.

Population11,426Montgomery11,426
Households4,640Montgomery4,640
Median age43.6Montgomery43.6Missouri39.0US 38.9
Median household income$65,500Montgomery$65,500Missouri$70,702US $80,734
Median home value$178,700Montgomery$178,700Missouri$230,300US $332,700
Median gross rent$788Montgomery$788Missouri$1,033US $1,413
Bachelor's degree or higher17.7%Montgomery17.7%Missouri32.4%US 35.7%
Mean commute28.7 minMontgomery28.7 minMissouri23.5 minUS 26.4 min
Population density21 / sq miMontgomery21 / 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 Montgomery County

Largest towns in Montgomery County
TownZIP codesPopulation
Montgomery City 1 2,801
Wellsville 1 1,165
New Florence 1 667
Bellflower 1 238
High Hill 1 238
Rhineland 1 165

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 Montgomery County.

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

Every ZIP code in Montgomery County, with figures

ZIP codes in Montgomery County
ZIP City Type Population Median income Median home
63333 Bellflower , MO Standard 688 $64,688 $165,800
63350 High Hill , MO Standard 769 $69,111 —
63361 Montgomery City , MO Standard 4,460 $62,371 $186,700
63363 New Florence , MO Standard 949 $47,188 $97,800
63384 Wellsville , MO Standard 2,049 $78,281 $128,600
65069 Rhineland , MO Standard 511 $77,500 $202,300

Cite this page

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

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