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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/04631

04631

ZIP 04631 is Eastport, Maine, in Washington County; area code 207; Eastern time.

Type
Standard
Time zone
America/New_York
County
Washington
Metro area
none
Population
1,263
Coordinates
44.9109, -67.0092
☼ Live from 04631 — Eastport, ME

Weather right now

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Where 04631 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 04631
  • 🔢 Type 04631 into a pocket calculator and turn it upside down: IEghO — not quite a word, sorry.
  • ➕ As a number, 4,631 = 11 × 421. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001000010111
  • 🏠 Its numerical neighbours: 04630 (East Machias, ME, 23 mi away) and 04634 (Franklin, ME, 63 mi away).
  • 🔄 Backwards, 04631 becomes 13640 — and that is a real ZIP code: Wellesley Island, NY, 443 miles away.
  • 👥 68 other ZIP codes are made of exactly the same digits (01346, 01364, 01436, 01463, 03461, 04613, …). The farthest-flung twin is 34061 in FPO AA, a military post office, 2,596 miles away.
  • 🧭 Farther north than 91% of all ZIP codes, and farther east than 98%.
  • 🎯1,638 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04631 and you would come out at 44.91°S, 112.99°E — 909 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 36m of daylight. Shortest: 8h 46m.
  • 📏 At 3.6 square miles of land, 04631 is bigger than 16% of ZIP codes — room for about 2.8 Central Parks.
🌙 The sky over 04631 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,263This ZIP1,263
Households693This ZIP693
Housing units1,106This ZIP1,106
Median age61.4This ZIP61.4Maine44.8US 38.9
Median household income$45,573This ZIP$45,573Maine$74,733US $80,734
Median home value$179,800This ZIP$179,800Maine$296,600US $332,700
Median gross rent$565This ZIP$565Maine$1,139US $1,413
Bachelor's degree or higher36.2%This ZIP36.2%
Mean commute18.5 minThis ZIP18.5 min
Population density347.5 / sq miThis ZIP347.5 / sq mi

Business and tax activity

Business establishments41This ZIP41
Employees317This ZIP317
Annual payroll$12,112,000This ZIP$12,112,000
Tax returns filed590This ZIP590
Total adjusted gross income$34,076,000This ZIP$34,076,000

Land area

Land area3.64 sq miThis ZIP3.64 sq mi
Water area8.72 sq miThis ZIP8.72 sq mi

Other place names in 04631

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

ZIP codes near 04631

ZIPCityDistance
04667 Perry, ME 6.7 mi
04652 Lubec, ME 6.8 mi
04666 Pembroke, ME 10.9 mi
04671 Robbinston, ME 12.8 mi
04628 Dennysville, ME 13.2 mi
04691 Whiting, ME 15.9 mi
04619 Calais, ME 19.0 mi
04626 Cutler, ME 19.7 mi
04657 Meddybemps, ME 21.8 mi
04630 East Machias, ME 23.0 mi

Find every ZIP code within 10 miles of 04631 →

Questions about this ZIP code

Where is ZIP code 04631?

04631 is in Eastport, Maine, in Washington County. Its published point location is 44.9109, -67.0092.

What county is 04631 in?

04631 lies in Washington County.

What area code is 04631?

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

What time zone is 04631 in?

04631 uses America/New_York.

How many people live in 04631?

About 1,263 people live in ZIP code 04631, in 693 households, at 347.5 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 04631?

$45,573 a year, against $74,733 across Maine.

What ZIP codes are near 04631?

The closest are 04667 (6.7 mi), 04652 (6.8 mi), 04666 (10.9 mi), 04671 (12.8 mi) and 04628 (13.2 mi).

Is 04631 a PO Box ZIP code?

04631 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “04631 ZIP Code — Eastport, Maine (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04631

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