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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 — ZIP/65043

65043

ZIP 65043 is Holts Summit, Missouri, in Callaway County; area codes 573 and 235; Central time.

Type
Standard
Time zone
America/Chicago
County
Callaway
Metro area
Jefferson City, MO
Population
10,120
Coordinates
38.6230, -92.1023
☼ Live from 65043 — Holts Summit, MO

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Local time: —

Where 65043 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 65043
  • 🔢 Type 65043 into a pocket calculator and turn it upside down: EhOSg — not quite a word, sorry.
  • ➕ As a number, 65,043 = 3 × 3 × 3 × 3 × 11 × 73. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111111000010011
  • 🏠 Its numerical neighbours: 65042 (High Point, MO, 28 mi away) and 65046 (Jamestown, MO, 23 mi away).
  • 🔄 Backwards, 65043 becomes 34056, which is not a ZIP code at all.
  • 👥 65 other ZIP codes are made of exactly the same digits (03456, 03465, 04563, 04635, 04653, 05346, …). The farthest-flung twin is 04653 in Bass Harbor, ME, 1,286 miles away.
  • 🧭 Farther south than 54% of all ZIP codes, and farther west than 61%.
  • 🎯356 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 65043 and you would come out at 38.62°S, 87.90°E — 1,145 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 52m of daylight. Shortest: 9h 28m.
  • 📏 At 58.1 square miles of land, 65043 is bigger than 64% of ZIP codes — room for about 44 Central Parks.
🌙 The sky over 65043 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population10,120This ZIP10,120
Households3,807This ZIP3,807
Housing units4,137This ZIP4,137
Median age37.1This ZIP37.1Missouri39.0US 38.9
Median household income$85,308This ZIP$85,308Missouri$70,702US $80,734
Median home value$218,500This ZIP$218,500Missouri$230,300US $332,700
Median gross rent$1,028This ZIP$1,028Missouri$1,033US $1,413
Bachelor's degree or higher29.8%This ZIP29.8%
Mean commute25.3 minThis ZIP25.3 min
Population density174.2 / sq miThis ZIP174.2 / sq mi

Business and tax activity

Business establishments124This ZIP124
Employees1,246This ZIP1,246
Annual payroll$58,725,000This ZIP$58,725,000
Tax returns filed4,980This ZIP4,980
Total adjusted gross income$320,711,000This ZIP$320,711,000

Land area

Land area58.10 sq miThis ZIP58.10 sq mi
Water area1.01 sq miThis ZIP1.01 sq mi

Other place names in 65043

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 65043

ZIPCityDistance
65102 Jefferson City, MO 5.0 mi
65103 Jefferson City, MO 5.0 mi
65104 Jefferson City, MO 5.0 mi
65105 Jefferson City, MO 5.0 mi
65106 Jefferson City, MO 5.0 mi
65107 Jefferson City, MO 5.0 mi
65108 Jefferson City, MO 5.0 mi
65110 Jefferson City, MO 5.0 mi
65080 Tebbetts, MO 6.7 mi
65063 New Bloomfield, MO 7.2 mi

Find every ZIP code within 10 miles of 65043 →

Questions about this ZIP code

Where is ZIP code 65043?

65043 is in Holts Summit, Missouri, in Callaway County, part of the Jefferson City, MO metropolitan area. Its published point location is 38.6230, -92.1023.

What county is 65043 in?

65043 lies in Callaway County.

What area code is 65043?

Holts Summit uses area codes 573 and 235, from NANPA's telephone records.

What time zone is 65043 in?

65043 uses America/Chicago.

How many people live in 65043?

About 10,120 people live in ZIP code 65043, in 3,807 households, at 174.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 65043?

$85,308 a year, against $70,702 across Missouri.

What ZIP codes are near 65043?

The closest are 65102 (5 mi), 65103 (5 mi), 65104 (5 mi), 65105 (5 mi) and 65106 (5 mi).

Is 65043 a PO Box ZIP code?

65043 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “65043 ZIP Code — Holts Summit, Missouri (Callaway County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/65043

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