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/45643

45643

ZIP 45643 is Kerr, Ohio, in Gallia County; area code 740; Eastern time.

Type
No street area
Time zone
America/New_York
County
Gallia
Metro area
Gallipolis, OH
Coordinates
38.8683, -82.2562

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 45614, whose figures describe that area — not this ZIP code.

☼ Live from 45643 — Kerr, OH

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Where 45643 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 45643
  • 🔢 Type 45643 into a pocket calculator and turn it upside down: EhgSh — not quite a word, sorry.
  • ➕ As a number, 45,643 = 13 × 3511. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011001001001011
  • 🏠 Its numerical neighbours: 45642 (Jasper, OH, 45 mi away) and 45644 (Kingston, OH, 51 mi away).
  • 🔄 Backwards, 45643 becomes 34654 — and that is a real ZIP code: New Port Richey, FL, 731 miles away.
  • 👥 29 other ZIP codes are made of exactly the same digits (34465, 34654, 35446, 35464, 36445, 36454, …). The farthest-flung twin is 56434 in Aldrich, MN, 824 miles away.
  • 🧭 Farther south than 52% of all ZIP codes, and farther east than 66%.
  • 🎯873 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45643 and you would come out at 38.87°S, 97.74°E — 1,124 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
🌙 The sky over 45643 today
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Source: USGS.

Land area

ZIP codes near 45643

ZIPCityDistance
45631 Gallipolis, OH 3.2 mi
45614 Bidwell, OH 4.4 mi
45674 Rio Grande, OH 6.7 mi
45620 Cheshire, OH 8.4 mi
25515 Gallipolis Ferry, WV 9.7 mi
25550 Point Pleasant, WV 10.2 mi
45658 Patriot, OH 11.1 mi
45686 Vinton, OH 11.4 mi
25106 Henderson, WV 11.6 mi
45685 Thurman, OH 11.6 mi

Find every ZIP code within 10 miles of 45643 →

Questions about this ZIP code

Where is ZIP code 45643?

45643 is in Kerr, Ohio, in Gallia County, part of the Gallipolis, OH micropolitan area. Its published point location is 38.8683, -82.2562.

What county is 45643 in?

45643 lies in Gallia County.

What area code is 45643?

Kerr uses area code 740, from NANPA's telephone records.

What time zone is 45643 in?

45643 uses America/New_York.

What ZIP codes are near 45643?

The closest are 45631 (3.2 mi), 45614 (4.4 mi), 45674 (6.7 mi), 45620 (8.4 mi) and 25515 (9.7 mi).

Is 45643 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.

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Cite this page

zipcodes.pro. “45643 ZIP Code — Kerr, Ohio (Gallia County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45643

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/45643.json

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