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/04343

04343

ZIP 04343 is East Winthrop, Maine, in Kennebec County; area code 207; Eastern time.

Type
No street area
Time zone
America/New_York
County
Kennebec
Coordinates
44.3217, -69.8964

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 04364, whose figures describe that area — not this ZIP code.

☼ Live from 04343 — East Winthrop, ME

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Where 04343 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 04343
  • 🔢 Type 04343 into a pocket calculator and turn it upside down: EhEhO — not quite a word, sorry.
  • ➕ As a number, 4,343 = 43 × 101. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000011110111
  • 🏠 Its numerical neighbours: 04342 (Dresden, ME, 18 mi away) and 04344 (Farmingdale, ME, 5 mi away).
  • 🔄 Backwards, 04343 becomes 34340, which is not a ZIP code at all.
  • 👥 13 other ZIP codes are made of exactly the same digits (03443, 30344, 30434, 33404, 33440, 34034, …). The farthest-flung twin is 34034 in APO AA, a military post office, 5,502 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther east than 97%.
  • 🎯1,495 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04343 and you would come out at 44.32°S, 110.10°E — 910 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 32m of daylight. Shortest: 8h 51m.
🌙 The sky over 04343 today
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Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees68This ZIP68
Annual payroll$2,024,000This ZIP$2,024,000

Land area

ZIP codes near 04343

ZIPCityDistance
04351 Manchester, ME 2.2 mi
04364 Winthrop, ME 3.4 mi
04336 Augusta, ME 3.9 mi
04347 Hallowell, ME 4.5 mi
04355 Readfield, ME 5.1 mi
04344 Farmingdale, ME 5.4 mi
04333 Augusta, ME 5.8 mi
04338 Augusta, ME 5.8 mi
04265 North Monmouth, ME 7.5 mi
04284 Wayne, ME 7.6 mi

Find every ZIP code within 10 miles of 04343 →

Questions about this ZIP code

Where is ZIP code 04343?

04343 is in East Winthrop, Maine, in Kennebec County, part of the Augusta-Waterville, ME micropolitan area. Its published point location is 44.3217, -69.8964.

What county is 04343 in?

04343 lies in Kennebec County.

What area code is 04343?

East Winthrop uses area code 207, from NANPA's telephone records.

What time zone is 04343 in?

04343 uses America/New_York.

What ZIP codes are near 04343?

The closest are 04351 (2.2 mi), 04364 (3.4 mi), 04336 (3.9 mi), 04347 (4.5 mi) and 04355 (5.1 mi).

Is 04343 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. “04343 ZIP Code — East Winthrop, Maine (Kennebec County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04343

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/04343.json

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