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/04243

04243

ZIP 04243 is in Lewiston, Maine, in Androscoggin County; area code 207; Eastern time. Lewiston has 3 ZIP codes; the others are 04240 and 04241.

Type
No street area
Time zone
America/New_York
County
Androscoggin
Metro area
Lewiston-Auburn, ME
Coordinates
44.1970, -70.2395

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 04282, whose figures describe that area — not this ZIP code.

☼ Live from 04243 — Lewiston, ME

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 04243 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 04243
  • 🔢 Type 04243 into a pocket calculator and turn it upside down: EhZhO — not quite a word, sorry.
  • ➕ 04243 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000010010011
  • 🏠 Its numerical neighbours: 04241 (Lewiston, ME, 0 mi away) and 04250 (Lisbon, ME, 14 mi away).
  • 🔄 Backwards, 04243 becomes 34240 — and that is a real ZIP code: Sarasota, FL, 1,345 miles away.
  • 👥 37 other ZIP codes are made of exactly the same digits (02344, 03244, 03442, 04234, 04342, 20434, …). The farthest-flung twin is 34024 in APO AA, a military post office, 2,364 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther east than 97%.
  • 🎯1,478 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04243 and you would come out at 44.20°S, 109.76°E — 908 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 31m of daylight. Shortest: 8h 52m.
🌙 The sky over 04243 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments18This ZIP18
Employees1,812This ZIP1,812
Annual payroll$134,910,000This ZIP$134,910,000

Land area

ZIP codes near 04243

ZIPCityDistance
04211 Auburn, ME 0.0 mi
04212 Auburn, ME 0.0 mi
04241 Lewiston, ME 0.0 mi
04236 Greene, ME 4.7 mi
04282 Turner, ME 4.9 mi
04258 Minot, ME 6.3 mi
04288 West Minot, ME 6.5 mi
04238 Hebron, ME 7.2 mi
04210 Auburn, ME 7.8 mi
04240 Lewiston, ME 8.1 mi

Find every ZIP code within 10 miles of 04243 →

Questions about this ZIP code

Where is ZIP code 04243?

04243 is in Lewiston, Maine, in Androscoggin County, part of the Lewiston-Auburn, ME metropolitan area. Its published point location is 44.1970, -70.2395.

What county is 04243 in?

04243 lies in Androscoggin County.

What area code is 04243?

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

What time zone is 04243 in?

04243 uses America/New_York.

What ZIP codes are near 04243?

The closest are 04211 (0 mi), 04212 (0 mi), 04241 (0 mi), 04236 (4.7 mi) and 04282 (4.9 mi).

Is 04243 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. “04243 ZIP Code — Lewiston, Maine (Androscoggin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04243

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/04243.json

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