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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/04091

04091

ZIP 04091 is West Baldwin, Maine, in Cumberland County; area code 207; Eastern time.

Type
Standard
Time zone
America/New_York
County
Cumberland
Population
801
Coordinates
43.8393, -70.7448
☼ Live from 04091 — West Baldwin, ME

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Local time: —

Where 04091 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 04091
  • 🔢 Type 04091 into a pocket calculator and turn it upside down: IGOhO — not quite a word, sorry.
  • ➕ 04091 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111111111011
  • 🏠 Its numerical neighbours: 04090 (Wells, ME, 35 mi away) and 04092 (Westbrook, ME, 22 mi away).
  • 🔄 Backwards, 04091 becomes 19040 — and that is a real ZIP code: Hatboro, PA, 338 miles away.
  • 👥 26 other ZIP codes are made of exactly the same digits (00914, 01094, 01904, 01940, 04019, 04109, …). The farthest-flung twin is 09041 in APO AE, a military post office, 3,768 miles away.
  • 🧭 Farther north than 87% of all ZIP codes, and farther east than 97%.
  • 🎯1,452 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04091 and you would come out at 43.84°S, 109.26°E — 896 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 28m of daylight. Shortest: 8h 54m.
  • 📏 At 20.3 square miles of land, 04091 is bigger than 38% of ZIP codes — room for about 15 Central Parks.
🌙 The sky over 04091 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population801This ZIP801
Households336This ZIP336
Housing units356This ZIP356
Median age48.3This ZIP48.3Maine44.8US 38.9
Median household income$78,750This ZIP$78,750Maine$74,733US $80,734
Median home value$304,200This ZIP$304,200Maine$296,600US $332,700
Bachelor's degree or higher25.5%This ZIP25.5%
Mean commute29.7 minThis ZIP29.7 min
Population density39.5 / sq miThis ZIP39.5 / sq mi

Business and tax activity

Business establishments19This ZIP19
Employees65This ZIP65
Annual payroll$2,804,000This ZIP$2,804,000
Tax returns filed510This ZIP510
Total adjusted gross income$31,098,000This ZIP$31,098,000

Land area

Land area20.26 sq miThis ZIP20.26 sq mi
Water area0.71 sq miThis ZIP0.71 sq mi

ZIP codes near 04091

ZIPCityDistance
04024 East Baldwin, ME 3.0 mi
04041 Hiram, ME 4.3 mi
04029 Sebago, ME 5.6 mi
04020 Cornish, ME 5.9 mi
04049 Limington, ME 6.8 mi
04085 Steep Falls, ME 7.2 mi
04028 East Parsonsfield, ME 8.8 mi
04068 Porter, ME 10.1 mi
04084 Standish, ME 10.4 mi
04047 Parsonsfield, ME 10.4 mi

Find every ZIP code within 10 miles of 04091 →

Questions about this ZIP code

Where is ZIP code 04091?

04091 is in West Baldwin, Maine, in Cumberland County, part of the Portland-South Portland, ME metropolitan area. Its published point location is 43.8393, -70.7448.

What county is 04091 in?

04091 lies in Cumberland County.

What area code is 04091?

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

What time zone is 04091 in?

04091 uses America/New_York.

How many people live in 04091?

About 801 people live in ZIP code 04091, in 336 households, at 39.5 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 04091?

$78,750 a year, against $74,733 across Maine.

What ZIP codes are near 04091?

The closest are 04024 (3 mi), 04041 (4.3 mi), 04029 (5.6 mi), 04020 (5.9 mi) and 04049 (6.8 mi).

Is 04091 a PO Box ZIP code?

04091 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “04091 ZIP Code — West Baldwin, Maine (Cumberland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04091

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