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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/04103

04103

ZIP 04103 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
32,024
Coordinates
43.6954, -70.2887
☼ Live from 04103 — Portland, ME

Weather right now

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Local time: —

Where 04103 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 04103
  • 🔢 Type 04103 into a pocket calculator and turn it upside down: EOIhO — not quite a word, sorry.
  • ➕ As a number, 4,103 = 11 × 373. Its digits add up to 8, a total 251 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000000000111
  • 🏠 Its numerical neighbours: 04102 (Portland, ME, 3 mi away) and 04104 (Portland, ME, 3 mi away).
  • 🔄 Backwards, 04103 becomes 30140 — and that is a real ZIP code: Felton, GA, 1,050 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (01034, 01340, 01430, 03041, 03104, 04013, …). The farthest-flung twin is 34010 in APO AA, a military post office, 2,277 miles away.
  • 🧭 Farther north than 86% of all ZIP codes, and farther east than 97%.
  • 🎯1,475 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04103 and you would come out at 43.70°S, 109.71°E — 877 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 27m of daylight. Shortest: 8h 55m.
  • 📏 At 10.2 square miles of land, 04103 is bigger than 27% of ZIP codes — room for about 7.8 Central Parks.
🌙 The sky over 04103 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population32,024This ZIP32,024
Households13,657This ZIP13,657
Housing units14,516This ZIP14,516
Median age38.1This ZIP38.1Maine44.8US 38.9
Median household income$89,796This ZIP$89,796Maine$74,733US $80,734
Median home value$459,500This ZIP$459,500Maine$296,600US $332,700
Median gross rent$1,620This ZIP$1,620Maine$1,139US $1,413
Bachelor's degree or higher59.0%This ZIP59.0%
Mean commute20.2 minThis ZIP20.2 min
Population density3,130.7 / sq miThis ZIP3,130.7 / sq mi

Business and tax activity

Business establishments1,106This ZIP1,106
Employees14,472This ZIP14,472
Annual payroll$803,939,000This ZIP$803,939,000
Tax returns filed16,460This ZIP16,460
Total adjusted gross income$1,456,579,000This ZIP$1,456,579,000

Land area

Land area10.23 sq miThis ZIP10.23 sq mi
Water area0.75 sq miThis ZIP0.75 sq mi

Other place names in 04103

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

ZIP codes near 04103

ZIPCityDistance
04101 Portland, ME 2.7 mi
04102 Portland, ME 2.9 mi
04104 Portland, ME 2.9 mi
04112 Portland, ME 2.9 mi
04122 Portland, ME 2.9 mi
04123 Portland, ME 2.9 mi
04124 Portland, ME 2.9 mi
04105 Falmouth, ME 3.2 mi
04092 Westbrook, ME 3.3 mi
04109 Portland, ME 4.0 mi

Find every ZIP code within 10 miles of 04103 →

Questions about this ZIP code

Where is ZIP code 04103?

04103 is in Portland, Maine, in Cumberland County, part of the Portland-South Portland, ME metropolitan area. Its published point location is 43.6954, -70.2887.

What county is 04103 in?

04103 lies in Cumberland County.

What area code is 04103?

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

What time zone is 04103 in?

04103 uses America/New_York.

How many people live in 04103?

About 32,024 people live in ZIP code 04103, in 13,657 households, at 3,130.7 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 04103?

$89,796 a year, against $74,733 across Maine.

What ZIP codes are near 04103?

The closest are 04101 (2.7 mi), 04102 (2.9 mi), 04104 (2.9 mi), 04112 (2.9 mi) and 04122 (2.9 mi).

Is 04103 a PO Box ZIP code?

04103 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “04103 ZIP Code — Portland, Maine (Cumberland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04103

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