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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/04345

04345

ZIP 04345 is Gardiner, Maine, in Kennebec County; area code 207; Eastern time.

Type
Standard
Time zone
America/New_York
County
Kennebec
Population
12,579
Coordinates
44.1951, -69.7938
☼ Live from 04345 — Gardiner, ME

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Local time: —

Where 04345 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 04345
  • 🔢 Type 04345 into a pocket calculator and turn it upside down: ShEhO — not quite a word, sorry.
  • ➕ As a number, 4,345 = 5 × 11 × 79. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000011111001
  • 🏠 Its numerical neighbours: 04344 (Farmingdale, ME, 5 mi away) and 04346 (Randolph, ME, 4 mi away).
  • 🔄 Backwards, 04345 becomes 54340, which is not a ZIP code at all.
  • 👥 36 other ZIP codes are made of exactly the same digits (03445, 04354, 04435, 04453, 04543, 05344, …). The farthest-flung twin is 34045 in APO AA, a military post office, 2,517 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther east than 97%.
  • 🎯1,500 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04345 and you would come out at 44.20°S, 110.21°E — 900 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 31m of daylight. Shortest: 8h 52m.
  • 📏 At 71.7 square miles of land, 04345 is bigger than 69% of ZIP codes — room for about 54 Central Parks.
🌙 The sky over 04345 today
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Source: USGS.

People and housing

Population12,579This ZIP12,579
Households5,083This ZIP5,083
Housing units5,538This ZIP5,538
Median age41.9This ZIP41.9Maine44.8US 38.9
Median household income$77,410This ZIP$77,410Maine$74,733US $80,734
Median home value$242,800This ZIP$242,800Maine$296,600US $332,700
Median gross rent$1,045This ZIP$1,045Maine$1,139US $1,413
Bachelor's degree or higher29.7%This ZIP29.7%
Mean commute26.7 minThis ZIP26.7 min
Population density175.3 / sq miThis ZIP175.3 / sq mi

Business and tax activity

Business establishments236This ZIP236
Employees2,871This ZIP2,871
Annual payroll$163,452,000This ZIP$163,452,000
Tax returns filed6,300This ZIP6,300
Total adjusted gross income$408,410,000This ZIP$408,410,000

Land area

Land area71.74 sq miThis ZIP71.74 sq mi
Water area4.59 sq miThis ZIP4.59 sq mi

Other place names in 04345

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

ZIP codes near 04345

ZIPCityDistance
04359 South Gardiner, ME 1.9 mi
04346 Randolph, ME 3.6 mi
04344 Farmingdale, ME 4.8 mi
04357 Richmond, ME 5.7 mi
04347 Hallowell, ME 6.5 mi
04350 Litchfield, ME 7.2 mi
04333 Augusta, ME 8.0 mi
04338 Augusta, ME 8.0 mi
04342 Dresden, ME 8.0 mi
04336 Augusta, ME 8.4 mi

Find every ZIP code within 10 miles of 04345 →

Questions about this ZIP code

Where is ZIP code 04345?

04345 is in Gardiner, Maine, in Kennebec County, part of the Augusta-Waterville, ME micropolitan area. Its published point location is 44.1951, -69.7938.

What county is 04345 in?

04345 lies in Kennebec County.

What area code is 04345?

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

What time zone is 04345 in?

04345 uses America/New_York.

How many people live in 04345?

About 12,579 people live in ZIP code 04345, in 5,083 households, at 175.3 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 04345?

$77,410 a year, against $74,733 across Maine.

What ZIP codes are near 04345?

The closest are 04359 (1.9 mi), 04346 (3.6 mi), 04344 (4.8 mi), 04357 (5.7 mi) and 04347 (6.5 mi).

Is 04345 a PO Box ZIP code?

04345 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “04345 ZIP Code — Gardiner, Maine (Kennebec County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04345

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