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/01227

01227

ZIP 01227 is in Dalton, Massachusetts, in Berkshire County; area code 413; Eastern time. Dalton has 2 ZIP codes; the other is 01226.

Type
No street area
Time zone
America/New_York
County
Berkshire
Metro area
Pittsfield, MA
Coordinates
42.4737, -73.1662

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 01226, whose figures describe that area — not this ZIP code.

☼ Live from 01227 — Dalton, MA

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Where 01227 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 01227
  • 🔢 Type 01227 into a pocket calculator and turn it upside down: LZZIO — not quite a word, sorry.
  • ➕ As a number, 1,227 = 3 × 409. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001011
  • 🏠 Its numerical neighbours: 01226 (Dalton, MA, 1 mi away) and 01229 (Glendale, MA, 16 mi away).
  • 🔄 Backwards, 01227 becomes 72210 — and that is a real ZIP code: Little Rock, AR, 1,170 miles away.
  • 👥 37 other ZIP codes are made of exactly the same digits (02127, 02217, 02712, 02721, 10272, 12027, …). The farthest-flung twin is 70122 in New Orleans, LA, 1,272 miles away.
  • 🧭 Farther north than 79% of all ZIP codes, and farther east than 93%.
  • 🎯1,330 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01227 and you would come out at 42.47°S, 106.83°E — 879 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 04m.
🌙 The sky over 01227 today
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Source: USGS.

Business and tax activity

Business establishments7This ZIP7
Employees36This ZIP36
Annual payroll$1,407,000This ZIP$1,407,000

Land area

ZIP codes near 01227

ZIPCityDistance
01226 Dalton, MA 0.8 mi
01224 Berkshire, MA 2.8 mi
01201 Pittsfield, MA 6.1 mi
01235 Hinsdale, MA 6.2 mi
01225 Cheshire, MA 6.4 mi
01202 Pittsfield, MA 6.4 mi
01203 Pittsfield, MA 6.4 mi
01263 Stockbridge, MA 6.4 mi
01270 Windsor, MA 6.7 mi
01237 Lanesborough, MA 7.1 mi

Find every ZIP code within 10 miles of 01227 →

Questions about this ZIP code

Where is ZIP code 01227?

01227 is in Dalton, Massachusetts, in Berkshire County, part of the Pittsfield, MA metropolitan area. Its published point location is 42.4737, -73.1662.

What county is 01227 in?

01227 lies in Berkshire County.

What area code is 01227?

Dalton uses area code 413, from NANPA's telephone records.

What time zone is 01227 in?

01227 uses America/New_York.

What ZIP codes are near 01227?

The closest are 01226 (0.8 mi), 01224 (2.8 mi), 01201 (6.1 mi), 01235 (6.2 mi) and 01225 (6.4 mi).

Is 01227 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. “01227 ZIP Code — Dalton, Massachusetts (Berkshire County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01227

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curl https://zipcodes.pro/zip/01227.json

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