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/04109

04109

ZIP 04109 is in Portland, Maine, in Cumberland County; area code 207; Eastern time. Portland has 9 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Cumberland
Population
213
Coordinates
43.6633, -70.2220
☼ Live from 04109 — Portland, ME

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 04109 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 04109
  • 🔢 Type 04109 into a pocket calculator and turn it upside down: GOIhO — not quite a word, sorry.
  • ➕ As a number, 4,109 = 7 × 587. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000000001101
  • 🏠 Its numerical neighbours: 04108 (Peaks Island, ME, 3 mi away) and 04110 (Cumberland Foreside, ME, 6 mi away).
  • 🔄 Backwards, 04109 becomes 90140, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (00914, 01094, 01904, 01940, 04019, 04091, …). The farthest-flung twin is 09041 in APO AE, a military post office, 3,754 miles away.
  • 🧭 Farther north than 86% 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 04109 and you would come out at 43.66°S, 109.78°E — 874 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 27m of daylight. Shortest: 8h 55m.
  • 📏 At 1.2 square miles of land, 04109 is bigger than 9% of ZIP codes — about 601 football fields.
🌙 The sky over 04109 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population213This ZIP213
Households119This ZIP119
Housing units348This ZIP348
Median age71.5This ZIP71.5Maine44.8US 38.9
Median home value$755,400This ZIP$755,400Maine$296,600US $332,700
Bachelor's degree or higher86.8%This ZIP86.8%
Population density171.6 / sq miThis ZIP171.6 / sq mi

Business and tax activity

Business establishments5This ZIP5
Employees31This ZIP31
Annual payroll$1,667,000This ZIP$1,667,000

Land area

Land area1.24 sq miThis ZIP1.24 sq mi
Water area6.32 sq miThis ZIP6.32 sq mi

Other place names in 04109

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

ZIP codes near 04109

ZIPCityDistance
04104 Portland, ME 1.7 mi
04112 Portland, ME 1.7 mi
04122 Portland, ME 1.7 mi
04123 Portland, ME 1.7 mi
04124 Portland, ME 1.7 mi
04116 South Portland, ME 1.8 mi
04101 Portland, ME 1.8 mi
04108 Peaks Island, ME 2.5 mi
04050 Long Island, ME 3.8 mi
04102 Portland, ME 3.8 mi

Find every ZIP code within 10 miles of 04109 →

Questions about this ZIP code

Where is ZIP code 04109?

04109 is in Portland, Maine, in Cumberland County, part of the Portland-South Portland, ME metropolitan area. Its published point location is 43.6633, -70.2220.

What county is 04109 in?

04109 lies in Cumberland County.

What area code is 04109?

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

What time zone is 04109 in?

04109 uses America/New_York.

How many people live in 04109?

About 213 people live in ZIP code 04109, in 119 households, at 171.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 04109?

The closest are 04104 (1.7 mi), 04112 (1.7 mi), 04122 (1.7 mi), 04123 (1.7 mi) and 04124 (1.7 mi).

Is 04109 a PO Box ZIP code?

04109 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “04109 ZIP Code — Portland, Maine (Cumberland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04109

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/04109.json

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