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zipcodes.pro — ZIP/42066

42066

ZIP 42066 is Mayfield, Kentucky, mostly in Graves County; area codes 270 and 364; Central time.

Type
Standard
Time zone
America/Chicago
County
Graves +2 more
Metro area
Mayfield, KY
Population
23,917
Coordinates
36.7325, -88.6399
☼ Live from 42066 — Mayfield, KY

Weather right now

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Local time: —

Where 42066 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 42066
  • 🔢 Type 42066 into a pocket calculator and turn it upside down: ggOZh — not quite a word, sorry.
  • ➕ As a number, 42,066 = 2 × 3 × 3 × 3 × 19 × 41. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010010001010010
  • 🏠 Its numerical neighbours: 42064 (Marion, KY, 52 mi away) and 42069 (Melber, KY, 14 mi away).
  • 🔄 Backwards, 42066 becomes 66024 — and that is a real ZIP code: Elwood, KS, 398 miles away.
  • 👥 31 other ZIP codes are made of exactly the same digits (02466, 02646, 02664, 04266, 04626, 04662, …). The farthest-flung twin is 04626 in Cutler, ME, 1,244 miles away.
  • 🧭 Farther south than 66% of all ZIP codes, and farther west than 52%.
  • 🎯580 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 42066 and you would come out at 36.73°S, 91.36°E — 1,370 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 41m of daylight. Shortest: 9h 39m.
  • 📏 At 217.3 square miles of land, 42066 is bigger than 92% of ZIP codes — room for about 165 Central Parks.
🌙 The sky over 42066 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population23,917This ZIP23,917
Households9,517This ZIP9,517
Housing units11,029This ZIP11,029
Median age39.8This ZIP39.8Kentucky39.1US 38.9
Median household income$48,664This ZIP$48,664Kentucky$63,726US $80,734
Median home value$145,600This ZIP$145,600Kentucky$205,600US $332,700
Median gross rent$774This ZIP$774Kentucky$967US $1,413
Bachelor's degree or higher19.9%This ZIP19.9%
Mean commute19.0 minThis ZIP19.0 min
Population density110.1 / sq miThis ZIP110.1 / sq mi

Business and tax activity

Business establishments525This ZIP525
Employees7,123This ZIP7,123
Annual payroll$325,426,000This ZIP$325,426,000
Tax returns filed9,170This ZIP9,170
Total adjusted gross income$561,466,000This ZIP$561,466,000

Land area

Land area217.30 sq miThis ZIP217.30 sq mi
Water area2.40 sq miThis ZIP2.40 sq mi

Counties 42066 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Graves County 98.2%
Marshall County 1.7%
Calloway County 0.2%

Other place names in 42066

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

ZIP codes near 42066

ZIPCityDistance
42051 Hickory, KY 8.8 mi
42088 Wingo, KY 10.2 mi
42039 Fancy Farm, KY 11.0 mi
42054 Kirksey, KY 11.5 mi
42040 Farmington, KY 11.6 mi
42061 Lowes, KY 12.5 mi
42063 Lynnville, KY 12.5 mi
42027 Boaz, KY 12.9 mi
42079 Sedalia, KY 13.7 mi
42085 Water Valley, KY 14.4 mi

Find every ZIP code within 10 miles of 42066 →

Questions about this ZIP code

Where is ZIP code 42066?

42066 is in Mayfield, Kentucky, in Graves County, part of the Mayfield, KY micropolitan area. Its published point location is 36.7325, -88.6399.

What county is 42066 in?

42066 spans 3 counties: Graves County, Marshall County and Calloway County. Most of it falls in Graves County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 42066?

Mayfield uses area codes 270 and 364, from NANPA's telephone records.

What time zone is 42066 in?

42066 uses America/Chicago.

How many people live in 42066?

About 23,917 people live in ZIP code 42066, in 9,517 households, at 110.1 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 42066?

$48,664 a year, against $63,726 across Kentucky.

What ZIP codes are near 42066?

The closest are 42051 (8.8 mi), 42088 (10.2 mi), 42039 (11 mi), 42054 (11.5 mi) and 42040 (11.6 mi).

Is 42066 a PO Box ZIP code?

42066 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “42066 ZIP Code — Mayfield, Kentucky (Graves County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42066

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/42066.json

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