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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/04021

04021

ZIP 04021 is Cumberland Center, Maine, in Cumberland County; area code 207; Eastern time.

Type
Standard
Time zone
America/New_York
County
Cumberland
Population
6,990
Coordinates
43.7918, -70.2648
☼ Live from 04021 — Cumberland Center, ME

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Local time: —

Where 04021 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 04021
  • 🔢 Type 04021 into a pocket calculator and turn it upside down: IZOhO — not quite a word, sorry.
  • ➕ 04021 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 7, a total 150 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111110110101
  • 🏠 Its numerical neighbours: 04020 (Cornish, ME, 27 mi away) and 04022 (Denmark, ME, 31 mi away).
  • 🔄 Backwards, 04021 becomes 12040 — and that is a real ZIP code: Cherry Plain, NY, 175 miles away.
  • 👥 22 other ZIP codes are made of exactly the same digits (01240, 01420, 02041, 02140, 04102, 04210, …). The farthest-flung twin is 42001 in Paducah, KY, 1,074 miles away.
  • 🧭 Farther north than 87% of all ZIP codes, and farther east than 97%.
  • 🎯1,476 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04021 and you would come out at 43.79°S, 109.74°E — 883 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 28m of daylight. Shortest: 8h 55m.
  • 📏 At 20.5 square miles of land, 04021 is bigger than 38% of ZIP codes — room for about 16 Central Parks.
🌙 The sky over 04021 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population6,990This ZIP6,990
Households2,425This ZIP2,425
Housing units2,568This ZIP2,568
Median age39.1This ZIP39.1Maine44.8US 38.9
Median household income$172,468This ZIP$172,468Maine$74,733US $80,734
Median home value$579,000This ZIP$579,000Maine$296,600US $332,700
Median gross rent$2,579This ZIP$2,579Maine$1,139US $1,413
Bachelor's degree or higher71.2%This ZIP71.2%
Mean commute24.9 minThis ZIP24.9 min
Population density340.2 / sq miThis ZIP340.2 / sq mi

Business and tax activity

Business establishments181This ZIP181
Employees1,821This ZIP1,821
Annual payroll$161,122,000This ZIP$161,122,000
Tax returns filed3,450This ZIP3,450
Total adjusted gross income$538,300,000This ZIP$538,300,000

Land area

Land area20.55 sq miThis ZIP20.55 sq mi
Water area0.05 sq miThis ZIP0.05 sq mi

Other place names in 04021

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 04021

ZIPCityDistance
04105 Falmouth, ME 3.6 mi
04097 North Yarmouth, ME 3.9 mi
04096 Yarmouth, ME 5.4 mi
04110 Cumberland Foreside, ME 5.4 mi
04103 Portland, ME 6.8 mi
04062 Windham, ME 7.0 mi
04092 Westbrook, ME 7.3 mi
04078 South Freeport, ME 7.5 mi
04069 Pownal, ME 8.8 mi
04082 South Windham, ME 8.8 mi

Find every ZIP code within 10 miles of 04021 →

Questions about this ZIP code

Where is ZIP code 04021?

04021 is in Cumberland Center, Maine, in Cumberland County, part of the Portland-South Portland, ME metropolitan area. Its published point location is 43.7918, -70.2648.

What county is 04021 in?

04021 lies in Cumberland County.

What area code is 04021?

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

What time zone is 04021 in?

04021 uses America/New_York.

How many people live in 04021?

About 6,990 people live in ZIP code 04021, in 2,425 households, at 340.2 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 04021?

$172,468 a year, against $74,733 across Maine.

What ZIP codes are near 04021?

The closest are 04105 (3.6 mi), 04097 (3.9 mi), 04096 (5.4 mi), 04110 (5.4 mi) and 04103 (6.8 mi).

Is 04021 a PO Box ZIP code?

04021 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “04021 ZIP Code — Cumberland Center, Maine (Cumberland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04021

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