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/02137

02137

ZIP 02137 is Readville, Massachusetts, in Suffolk County; area codes 617 and 857; Eastern time.

Type
No street area
Time zone
America/New_York
County
Suffolk
Coordinates
42.2404, -71.1370

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 02136, whose figures describe that area — not this ZIP code.

☼ Live from 02137 — Readville, MA

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Where 02137 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 02137
  • 🔢 Type 02137 into a pocket calculator and turn it upside down: LEIZO — not quite a word, sorry.
  • ➕ 02137 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100001011001
  • 🏠 Its numerical neighbours: 02136 (Hyde Park, MA, 1 mi away) and 02138 (Cambridge, MA, 10 mi away).
  • 🔄 Backwards, 02137 becomes 73120 — and that is a real ZIP code: Oklahoma City, OK, 1,487 miles away.
  • 👥 63 other ZIP codes are made of exactly the same digits (01237, 02713, 03217, 10273, 12037, 12073, …). The farthest-flung twin is 73021 in Colony, OK, 1,550 miles away.
  • 🧭 Farther north than 77% of all ZIP codes, and farther east than 96%.
  • 🎯1,434 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 02137 and you would come out at 42.24°S, 108.86°E — 808 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 05m.
🌙 The sky over 02137 today
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Source: USGS.

Business and tax activity

Business establishments7This ZIP7
Employees50This ZIP50
Annual payroll$4,194,000This ZIP$4,194,000

Land area

ZIP codes near 02137

ZIPCityDistance
02136 Hyde Park, MA 1.1 mi
02026 Dedham, MA 2.2 mi
02186 Milton, MA 2.8 mi
02132 West Roxbury, MA 2.9 mi
02131 Roslindale, MA 3.0 mi
02126 Mattapan, MA 3.5 mi
02187 Milton Village, MA 3.8 mi
02090 Westwood, MA 4.3 mi
02124 Dorchester Center, MA 4.5 mi
02021 Canton, MA 4.5 mi

Find every ZIP code within 10 miles of 02137 →

Questions about this ZIP code

Where is ZIP code 02137?

02137 is in Readville, Massachusetts, in Suffolk County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.2404, -71.1370.

What county is 02137 in?

02137 lies in Suffolk County.

What area code is 02137?

Readville uses area codes 617 and 857, from NANPA's telephone records.

What time zone is 02137 in?

02137 uses America/New_York.

What ZIP codes are near 02137?

The closest are 02136 (1.1 mi), 02026 (2.2 mi), 02186 (2.8 mi), 02132 (2.9 mi) and 02131 (3 mi).

Is 02137 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. “02137 ZIP Code — Readville, Massachusetts (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/02137

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/02137.json

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