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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/01615

01615

ZIP 01615 is in Worcester, Massachusetts, in Worcester County; area codes 508 and 774; Eastern time. Worcester has 15 ZIP codes in all.

Type
No street area
Time zone
America/New_York
County
Worcester
Metro area
Worcester, MA
Coordinates
42.2626, -71.8023

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 01608, whose figures describe that area — not this ZIP code.

☼ Live from 01615 — Worcester, MA

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Where 01615 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 01615
  • 🔢 Type 01615 into a pocket calculator and turn it upside down: SIgIO — not quite a word, sorry.
  • ➕ As a number, 1,615 = 5 × 17 × 19. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11001001111
  • 🏠 Its numerical neighbours: 01614 (Worcester, MA, 0 mi away) and 01653 (Worcester, MA, 9 mi away).
  • 🔄 Backwards, 01615 becomes 51610, which is not a ZIP code at all.
  • 👥 39 other ZIP codes are made of exactly the same digits (01516, 01561, 05161, 06115, 06151, 06511, …). The farthest-flung twin is 51106 in Sioux City, IA, 1,247 miles away.
  • 🧭 Farther north than 77% of all ZIP codes, and farther east than 95%.
  • 🎯1,400 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01615 and you would come out at 42.26°S, 108.20°E — 827 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 01615 today
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Source: USGS.

Business and tax activity

Business establishments11This ZIP11
Employees868This ZIP868
Annual payroll$55,784,000This ZIP$55,784,000

Land area

ZIP codes near 01615

ZIPCityDistance
01601 Worcester, MA 0.0 mi
01614 Worcester, MA 0.0 mi
01608 Worcester, MA 0.1 mi
01610 Worcester, MA 1.1 mi
01604 Worcester, MA 1.9 mi
01605 Worcester, MA 2.0 mi
01609 Worcester, MA 2.1 mi
01613 Worcester, MA 2.1 mi
01603 Worcester, MA 2.5 mi
01602 Worcester, MA 2.5 mi

Find every ZIP code within 10 miles of 01615 →

Questions about this ZIP code

Where is ZIP code 01615?

01615 is in Worcester, Massachusetts, in Worcester County, part of the Worcester, MA metropolitan area. Its published point location is 42.2626, -71.8023.

What county is 01615 in?

01615 lies in Worcester County.

What area code is 01615?

Worcester uses area codes 508 and 774, from NANPA's telephone records.

What time zone is 01615 in?

01615 uses America/New_York.

What ZIP codes are near 01615?

The closest are 01601 (0 mi), 01614 (0 mi), 01608 (0.1 mi), 01610 (1.1 mi) and 01604 (1.9 mi).

Is 01615 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. “01615 ZIP Code — Worcester, Massachusetts (Worcester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01615

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/01615.json

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