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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/40505

40505

ZIP 40505 is in Lexington, Kentucky, in Fayette County; area code 859; Eastern time. Lexington has 39 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Fayette
Population
25,594
Coordinates
38.0607, -84.4572
☼ Live from 40505 — Lexington, KY

Weather right now

Asking the National Weather Service…

NEXRAD radar
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Local time: —

Where 40505 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 40505
  • 🔢 Type 40505 into a pocket calculator and turn it upside down: SOSOh — not quite a word, sorry.
  • ➕ As a number, 40,505 = 5 × 8101. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001111000111001
  • 🏠 Its numerical neighbours: 40504 (Lexington, KY, 5 mi away) and 40506 (Lexington, KY, 4 mi away).
  • 🔄 Backwards, 40505 becomes 50504, which is not a ZIP code at all.
  • 👥 14 other ZIP codes are made of exactly the same digits (04055, 05045, 05054, 05405, 05450, 40055, …). The farthest-flung twin is 04055 in Naples, ME, 827 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther east than 58%.
  • 🎯768 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 40505 and you would come out at 38.06°S, 95.54°E — 1,222 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 31m.
  • 📏 At 8.0 square miles of land, 40505 is bigger than 24% of ZIP codes — room for about 6.1 Central Parks.
🌙 The sky over 40505 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population25,594This ZIP25,594
Households11,223This ZIP11,223
Housing units12,134This ZIP12,134
Median age41.0This ZIP41.0Kentucky39.1US 38.9
Median household income$58,206This ZIP$58,206Kentucky$63,726US $80,734
Median home value$179,200This ZIP$179,200Kentucky$205,600US $332,700
Median gross rent$925This ZIP$925Kentucky$967US $1,413
Bachelor's degree or higher25.2%This ZIP25.2%
Mean commute21.3 minThis ZIP21.3 min
Population density3,203.7 / sq miThis ZIP3,203.7 / sq mi

Business and tax activity

Business establishments748This ZIP748
Employees13,166This ZIP13,166
Annual payroll$756,478,000This ZIP$756,478,000
Tax returns filed11,470This ZIP11,470
Total adjusted gross income$603,260,000This ZIP$603,260,000

Land area

Land area7.99 sq miThis ZIP7.99 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 40505

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

ZIP codes near 40505

ZIPCityDistance
40507 Lexington, KY 2.3 mi
40512 Lexington, KY 2.4 mi
40522 Lexington, KY 2.4 mi
40523 Lexington, KY 2.4 mi
40524 Lexington, KY 2.4 mi
40533 Lexington, KY 2.4 mi
40544 Lexington, KY 2.4 mi
40546 Lexington, KY 2.4 mi
40550 Lexington, KY 2.4 mi
40555 Lexington, KY 2.4 mi

Find every ZIP code within 10 miles of 40505 →

Questions about this ZIP code

Where is ZIP code 40505?

40505 is in Lexington, Kentucky, in Fayette County, part of the Lexington-Fayette, KY metropolitan area. Its published point location is 38.0607, -84.4572.

What county is 40505 in?

40505 lies in Fayette County.

What area code is 40505?

Lexington uses area code 859, from NANPA's telephone records.

What time zone is 40505 in?

40505 uses America/New_York.

How many people live in 40505?

About 25,594 people live in ZIP code 40505, in 11,223 households, at 3,203.7 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 40505?

$58,206 a year, against $63,726 across Kentucky.

What ZIP codes are near 40505?

The closest are 40507 (2.3 mi), 40512 (2.4 mi), 40522 (2.4 mi), 40523 (2.4 mi) and 40524 (2.4 mi).

Is 40505 a PO Box ZIP code?

40505 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “40505 ZIP Code — Lexington, Kentucky (Fayette County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40505

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