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/MO/CHAIN-OF-ROCKS

Chain of Rocks ZIP codes, Missouri

No ZIP code is named for Chain of Rocks, MO; addresses there use a neighbouring town's name. The ZIP code covering it is 63369. Its area code is 636.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
255
Area code
636

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

Chain of Rocks in numbers

About 255 people live in Chain of Rocks, in 64 households. The median household income is $150,547 a year, 2.1 times the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $342,000 (49% above the Missouri median). The median age is 35.1; 54.5% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 16 minutes.

Population255Chain of Rocks255
Households64Chain of Rocks64
Median age35.1Chain of Rocks35.1Missouri39.0US 38.9
Median household income$150,547Chain of Rocks$150,547Missouri$70,702US $80,734
Median home value$342,000Chain of Rocks$342,000Missouri$230,300US $332,700
Bachelor's degree or higher54.5%Chain of Rocks54.5%Missouri32.4%US 35.7%
Mean commute16.4 minChain of Rocks16.4 minMissouri23.5 minUS 26.4 min
Population density1,386 / sq miChain of Rocks1,386 / sq mi

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

ZIP codes covering Chain of Rocks

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

ZIP codes overlapping Chain of Rocks
ZIP City Type Population Median income Median home
63369 Old Monroe , MO Standard 2,822 $96,250 $339,400

Map of Chain of Rocks ZIP codes

The ZIP codes of Chain of Rocks, MO, 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 Chain of Rocks

The nearest larger towns are Flint Hill (583 people, 5.0 mi), St. Paul (3,456 people, 5.7 mi) and Josephville (664 people, 5.9 mi).

Towns near Chain of Rocks
TownPopulationDistance
St. Paul 3,456 5.7 mi
Moscow Mills 3,823 6.9 mi
Wentzville 47,061 7.7 mi
Lake St. Louis 18,066 9.4 mi
Troy 13,947 9.7 mi
O'Fallon 93,801 10.0 mi
Dardenne Prairie 13,503 12.9 mi
Cottleville 5,937 13.7 mi
Wright City 5,240 13.8 mi
St. Peters 59,092 14.0 mi
Weldon Spring 5,310 16.3 mi
St. Charles 71,508 17.5 mi
Warrenton 9,066 19.2 mi
Chesterfield 49,574 21.5 mi

More nearby: every ZIP code in Lincoln County · Missouri ZIP codes

Cite this page

zipcodes.pro. “Chain of Rocks, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/chain-of-rocks

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