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/04637

04637

ZIP 04637 is Grand Lake Stream, Maine, in Washington County; area code 207; Eastern time.

Type
No street area
Time zone
America/New_York
County
Washington
Metro area
none
Coordinates
45.1795, -67.7744

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 04668, whose figures describe that area — not this ZIP code.

☼ Live from 04637 — Grand Lake Stream, ME

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Where 04637 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 04637
  • 🔢 Type 04637 into a pocket calculator and turn it upside down: LEghO — not quite a word, sorry.
  • ➕ 04637 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001000011101
  • 🏠 Its numerical neighbours: 04635 (Frenchboro, ME, 79 mi away) and 04640 (Hancock, ME, 52 mi away).
  • 🔄 Backwards, 04637 becomes 73640, which is not a ZIP code at all.
  • 👥 63 other ZIP codes are made of exactly the same digits (03467, 03746, 04673, 04736, 04763, 06374, …). The farthest-flung twin is 76430 in Albany, TX, 1,877 miles away.
  • 🧭 Farther north than 92% of all ZIP codes, and farther east than 98%.
  • 🎯1,602 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04637 and you would come out at 45.18°S, 112.23°E — 935 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 38m of daylight. Shortest: 8h 44m.
🌙 The sky over 04637 today
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Source: USGS.

Land area

ZIP codes near 04637

ZIPCityDistance
04668 Princeton, ME 4.1 mi
04492 Waite, ME 12.0 mi
04686 Wesley, ME 13.2 mi
04490 Topsfield, ME 15.1 mi
04694 Baileyville, ME 15.1 mi
04657 Meddybemps, ME 21.1 mi
04487 Springfield, ME 21.6 mi
04455 Lee, ME 25.0 mi
04408 Aurora, ME 25.1 mi
04454 Lambert Lake, ME 26.0 mi

Find every ZIP code within 10 miles of 04637 →

Questions about this ZIP code

Where is ZIP code 04637?

04637 is in Grand Lake Stream, Maine, in Washington County. Its published point location is 45.1795, -67.7744.

What county is 04637 in?

04637 lies in Washington County.

What area code is 04637?

Grand Lake Stream uses area code 207, from NANPA's telephone records.

What time zone is 04637 in?

04637 uses America/New_York.

What ZIP codes are near 04637?

The closest are 04668 (4.1 mi), 04492 (12 mi), 04686 (13.2 mi), 04490 (15.1 mi) and 04694 (15.1 mi).

Is 04637 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “04637 ZIP Code — Grand Lake Stream, Maine (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04637

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/04637.json

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