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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/05451

05451

ZIP 05451 is Essex, Vermont, in Chittenden County; area code 802; Eastern time.

Type
No street area
Time zone
America/New_York
County
Chittenden
Coordinates
44.5084, -73.0503

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 05452, whose figures describe that area — not this ZIP code.

☼ Live from 05451 — Essex, VT

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Where 05451 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 05451
  • 🔢 Type 05451 into a pocket calculator and turn it upside down: IShSO — not quite a word, sorry.
  • ➕ As a number, 5,451 = 3 × 23 × 79. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010101001011
  • 🏠 Its numerical neighbours: 05450 (Enosburg Falls, VT, 29 mi away) and 05452 (Essex Junction, VT, 1 mi away).
  • 🔄 Backwards, 05451 becomes 15450 — and that is a real ZIP code: La Belle, PA, 471 miles away.
  • 👥 37 other ZIP codes are made of exactly the same digits (01545, 04551, 05154, 10455, 10545, 14055, …). The farthest-flung twin is 51054 in Sergeant Bluff, IA, 1,173 miles away.
  • 🧭 Farther north than 89% of all ZIP codes, and farther east than 93%.
  • 🎯1,341 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 05451 and you would come out at 44.51°S, 106.95°E — 992 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 33m of daylight. Shortest: 8h 49m.
🌙 The sky over 05451 today
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Source: USGS.

Business and tax activity

Business establishments10This ZIP10
Employees28This ZIP28
Annual payroll$1,484,000This ZIP$1,484,000

Land area

ZIP codes near 05451

ZIPCityDistance
05452 Essex Junction, VT 1.5 mi
05402 Burlington, VT 4.8 mi
05406 Burlington, VT 4.8 mi
05407 South Burlington, VT 4.8 mi
05453 Essex Junction, VT 4.8 mi
05449 Colchester, VT 5.4 mi
05439 Colchester, VT 5.7 mi
05495 Williston, VT 5.9 mi
05404 Winooski, VT 6.7 mi
05494 Westford, VT 6.8 mi

Find every ZIP code within 10 miles of 05451 →

Questions about this ZIP code

Where is ZIP code 05451?

05451 is in Essex, Vermont, in Chittenden County, part of the Burlington-South Burlington, VT metropolitan area. Its published point location is 44.5084, -73.0503.

What county is 05451 in?

05451 lies in Chittenden County.

What area code is 05451?

Essex uses area code 802, from NANPA's telephone records.

What time zone is 05451 in?

05451 uses America/New_York.

What ZIP codes are near 05451?

The closest are 05452 (1.5 mi), 05402 (4.8 mi), 05406 (4.8 mi), 05407 (4.8 mi) and 05453 (4.8 mi).

Is 05451 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.

Download or cite

Cite this page

zipcodes.pro. “05451 ZIP Code — Essex, Vermont (Chittenden County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/05451

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/05451.json

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