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 — ZIP/40473

40473

ZIP 40473 is Renfro Valley, Kentucky, in Rockcastle County; area code 606; Eastern time.

Type
No street area
Time zone
America/New_York
County
Rockcastle
Metro area
Richmond-Berea, KY
Coordinates
37.3879, -84.3316

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 40456, whose figures describe that area — not this ZIP code.

☼ Live from 40473 — Renfro Valley, KY

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 40473 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 40473
  • 🔢 Type 40473 into a pocket calculator and turn it upside down: ELhOh — not quite a word, sorry.
  • ➕ As a number, 40,473 = 3 × 3 × 3 × 1499. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001111000011001
  • 🏠 Its numerical neighbours: 40472 (Ravenna, KY, 35 mi away) and 40475 (Richmond, KY, 26 mi away).
  • 🔄 Backwards, 40473 becomes 37404 — and that is a real ZIP code: Chattanooga, TN, 171 miles away.
  • 👥 39 other ZIP codes are made of exactly the same digits (03447, 04347, 04473, 04734, 04743, 30447, …). The farthest-flung twin is 04734 in Blaine, ME, 1,048 miles away.
  • 🧭 Farther south than 62% of all ZIP codes, and farther east than 59%.
  • 🎯787 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 40473 and you would come out at 37.39°S, 95.67°E — 1,205 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 45m of daylight. Shortest: 9h 35m.
🌙 The sky over 40473 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 40473

ZIPCityDistance
40456 Mount Vernon, KY 2.5 mi
40492 Wildie, KY 2.9 mi
40460 Orlando, KY 4.5 mi
40409 Brodhead, KY 5.8 mi
40445 Livingston, KY 8.0 mi
40419 Crab Orchard, KY 9.4 mi
40404 Berea, KY 13.0 mi
40403 Berea, KY 13.2 mi
40405 Bighill, KY 13.3 mi
40729 East Bernstadt, KY 13.8 mi

Find every ZIP code within 10 miles of 40473 →

Questions about this ZIP code

Where is ZIP code 40473?

40473 is in Renfro Valley, Kentucky, in Rockcastle County, part of the Richmond-Berea, KY micropolitan area. Its published point location is 37.3879, -84.3316.

What county is 40473 in?

40473 lies in Rockcastle County.

What area code is 40473?

Renfro Valley uses area code 606, from NANPA's telephone records.

What time zone is 40473 in?

40473 uses America/New_York.

What ZIP codes are near 40473?

The closest are 40456 (2.5 mi), 40492 (2.9 mi), 40460 (4.5 mi), 40409 (5.8 mi) and 40445 (8 mi).

Is 40473 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

Download or cite

Cite this page

zipcodes.pro. “40473 ZIP Code — Renfro Valley, Kentucky (Rockcastle County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40473

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/40473.json

Underlying data is public domain or openly licensed — sources, vintages and licences.