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/TRELOAR

Treloar ZIP code, Missouri

The ZIP code for Treloar, MO is 63378.

USPS city name
1 ZIP code

ZIP codes addressed as Treloar

ZIP codes with the USPS city name Treloar
ZIP City Type
63378 Treloar , MO No street area

Towns near Treloar

Towns near Treloar
TownPopulationDistance
New Haven 3,302 3.2 mi
Washington 15,130 11.3 mi
Warrenton 9,066 12.4 mi
Wright City 5,240 15.3 mi
Union 12,781 17.7 mi
Villa Ridge 2,835 20.6 mi
Wentzville 47,061 20.8 mi
Gray Summit 2,991 21.9 mi
St. Clair 4,789 23.1 mi
Lake St. Louis 18,066 23.6 mi
Moscow Mills 3,823 25.1 mi
Troy 13,947 25.4 mi
Pacific 7,475 26.3 mi
Dardenne Prairie 13,503 26.3 mi

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

Cite this page

zipcodes.pro. “Treloar, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/treloar

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