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/03756

03756

ZIP 03756 is in Lebanon, New Hampshire, in Grafton County; area code 603; Eastern time. Lebanon has 2 ZIP codes; the other is 03766.

Type
No street area
Time zone
America/New_York
County
Grafton
Coordinates
43.6423, -72.2518

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 03766, whose figures describe that area — not this ZIP code.

☼ Live from 03756 — Lebanon, NH

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Where 03756 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 03756
  • 🔢 Type 03756 into a pocket calculator and turn it upside down: gSLEO — not quite a word, sorry.
  • ➕ As a number, 3,756 = 2 × 2 × 3 × 313. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111010101100
  • 🏠 Its numerical neighbours: 03755 (Hanover, NH, 8 mi away) and 03765 (Haverhill, NH, 29 mi away).
  • 🔄 Backwards, 03756 becomes 65730 — and that is a real ZIP code: Powell, MO, 1,253 miles away.
  • 👥 59 other ZIP codes are made of exactly the same digits (03576, 03765, 05673, 05736, 05763, 06357, …). The farthest-flung twin is 76530 in Granger, TX, 1,639 miles away.
  • 🧭 Farther north than 86% of all ZIP codes, and farther east than 94%.
  • 🎯1,377 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03756 and you would come out at 43.64°S, 107.75°E — 920 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 26m of daylight. Shortest: 8h 56m.
🌙 The sky over 03756 today
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Source: USGS.

Business and tax activity

Business establishments11This ZIP11
Employees6,054This ZIP6,054
Annual payroll$461,765,000This ZIP$461,765,000

Land area

ZIP codes near 03756

ZIPCityDistance
03766 Lebanon, NH 1.1 mi
03784 West Lebanon, NH 2.7 mi
05088 Wilder, VT 3.6 mi
05009 White River Junction, VT 4.6 mi
05047 Hartford, VT 5.6 mi
03781 Plainfield, NH 6.2 mi
05052 North Hartland, VT 6.2 mi
03750 Etna, NH 6.4 mi
05001 White River Junction, VT 6.8 mi
03748 Enfield, NH 7.2 mi

Find every ZIP code within 10 miles of 03756 →

Questions about this ZIP code

Where is ZIP code 03756?

03756 is in Lebanon, New Hampshire, in Grafton County, part of the Lebanon-Claremont, NH-VT micropolitan area. Its published point location is 43.6423, -72.2518.

What county is 03756 in?

03756 lies in Grafton County.

What area code is 03756?

Lebanon uses area code 603, from NANPA's telephone records.

What time zone is 03756 in?

03756 uses America/New_York.

What ZIP codes are near 03756?

The closest are 03766 (1.1 mi), 03784 (2.7 mi), 05088 (3.6 mi), 05009 (4.6 mi) and 05047 (5.6 mi).

Is 03756 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. “03756 ZIP Code — Lebanon, New Hampshire (Grafton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03756

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curl https://zipcodes.pro/zip/03756.json

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