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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/66103

66103

ZIP 66103 is in Kansas City, Kansas, in Wyandotte County; area code 913; Central time. Kansas City has 15 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Wyandotte
Metro area
Kansas City, MO-KS
Population
12,730
Coordinates
39.0603, -94.6268
☼ Live from 66103 — Kansas City, KS

Weather right now

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Local time: —

Where 66103 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 66103
  • 🔢 Type 66103 into a pocket calculator and turn it upside down: EOIgg — not quite a word, sorry.
  • ➕ 66103 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10000001000110111
  • 🏠 Its numerical neighbours: 66102 (Kansas City, KS, 5 mi away) and 66104 (Kansas City, KS, 7 mi away).
  • 🔄 Backwards, 66103 becomes 30166, which is not a ZIP code at all.
  • 👥 32 other ZIP codes are made of exactly the same digits (01366, 13066, 13606, 13660, 16036, 16063, …). The farthest-flung twin is 01366 in Petersham, MA, 1,194 miles away.
  • 🧭 Farther south than 50% of all ZIP codes, and farther west than 67%.
  • 🎯217 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 66103 and you would come out at 39.06°S, 85.37°E — 1,030 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 4.7 square miles of land, 66103 is bigger than 18% of ZIP codes — room for about 3.5 Central Parks.
🌙 The sky over 66103 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population12,730This ZIP12,730
Households5,961This ZIP5,961
Housing units6,903This ZIP6,903
Median age31.3This ZIP31.3Kansas37.4US 38.9
Median household income$52,479This ZIP$52,479Kansas$74,275US $80,734
Median home value$148,400This ZIP$148,400Kansas$217,200US $332,700
Median gross rent$1,251This ZIP$1,251Kansas$1,060US $1,413
Bachelor's degree or higher31.7%This ZIP31.7%
Mean commute22.5 minThis ZIP22.5 min
Population density2,727.7 / sq miThis ZIP2,727.7 / sq mi

Business and tax activity

Business establishments298This ZIP298
Employees14,329This ZIP14,329
Annual payroll$964,668,000This ZIP$964,668,000
Tax returns filed5,580This ZIP5,580
Total adjusted gross income$271,303,000This ZIP$271,303,000

Land area

Land area4.67 sq miThis ZIP4.67 sq mi
Water area0.07 sq miThis ZIP0.07 sq mi

Other place names in 66103

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

ZIP codes near 66103

ZIPCityDistance
66160 Kansas City, KS 1.0 mi
64111 Kansas City, MO 1.8 mi
66105 Kansas City, KS 1.9 mi
66205 Mission, KS 2.0 mi
64112 Kansas City, MO 2.4 mi
64102 Kansas City, MO 2.7 mi
66201 Mission, KS 2.7 mi
66222 Mission, KS 2.7 mi
64108 Kansas City, MO 2.7 mi
66118 Kansas City, KS 2.9 mi

Find every ZIP code within 10 miles of 66103 →

Questions about this ZIP code

Where is ZIP code 66103?

66103 is in Kansas City, Kansas, in Wyandotte County, part of the Kansas City, MO-KS metropolitan area. Its published point location is 39.0603, -94.6268.

What county is 66103 in?

66103 lies in Wyandotte County.

What area code is 66103?

Kansas City uses area code 913, from NANPA's telephone records.

What time zone is 66103 in?

66103 uses America/Chicago.

How many people live in 66103?

About 12,730 people live in ZIP code 66103, in 5,961 households, at 2,727.7 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 66103?

$52,479 a year, against $74,275 across Kansas.

What ZIP codes are near 66103?

The closest are 66160 (1 mi), 64111 (1.8 mi), 66105 (1.9 mi), 66205 (2 mi) and 64112 (2.4 mi).

Is 66103 a PO Box ZIP code?

66103 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “66103 ZIP Code — Kansas City, Kansas (Wyandotte County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/66103

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