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Where 01606 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.
- 🔢 Type 01606 into a pocket calculator and turn it upside down: gOgIO — not quite a word, sorry.
- ➕ As a number, 1,606 = 2 × 11 × 73. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11001000110 - 🏠 Its numerical neighbours: 01605 (Worcester, MA, 2 mi away) and 01607 (Worcester, MA, 6 mi away).
- 🔄 Backwards, 01606 becomes 60610 — and that is a real ZIP code: Chicago, IL, 811 miles away.
- 👥 18 other ZIP codes are made of exactly the same digits (00616, 01066, 06016, 06061, 06106, 06160, …). The farthest-flung twin is 00616 in Bajadero, PR, 1,678 miles away.
- 🧭 Farther north than 78% 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 01606 and you would come out at 42.31°S, 108.21°E — 830 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 05m.
- 📏 At 6.0 square miles of land, 01606 is bigger than 21% of ZIP codes — room for about 4.5 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 22,844This ZIP22,844 |
|---|---|
| Households | 9,192This ZIP9,192 |
| Housing units | 9,563This ZIP9,563 |
| Median age | 39.2This ZIP39.2Massachusetts40.0US 38.9 |
| Median household income | $92,105This ZIP$92,105Massachusetts$103,960US $80,734 |
| Median home value | $370,800This ZIP$370,800Massachusetts$562,100US $332,700 |
| Median gross rent | $1,584This ZIP$1,584Massachusetts$1,762US $1,413 |
| Bachelor's degree or higher | 44.5%This ZIP44.5% |
| Mean commute | 24.9 minThis ZIP24.9 min |
| Population density | 3,815.0 / sq miThis ZIP3,815.0 / sq mi |
Business and tax activity
| Business establishments | 456This ZIP456 |
|---|---|
| Employees | 9,380This ZIP9,380 |
| Annual payroll | $533,383,000This ZIP$533,383,000 |
| Tax returns filed | 11,250This ZIP11,250 |
| Total adjusted gross income | $807,170,000This ZIP$807,170,000 |
Land area
| Land area | 5.99 sq miThis ZIP5.99 sq mi |
|---|---|
| Water area | 0.30 sq miThis ZIP0.30 sq mi |
Other place names in 01606
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 01606
| ZIP | City | Distance |
|---|---|---|
01613 | Worcester, MA | 1.5 mi |
01605 | Worcester, MA | 1.7 mi |
01609 | Worcester, MA | 2.7 mi |
01520 | Holden, MA | 3.4 mi |
01601 | Worcester, MA | 3.6 mi |
01614 | Worcester, MA | 3.6 mi |
01615 | Worcester, MA | 3.6 mi |
01608 | Worcester, MA | 3.6 mi |
01602 | Worcester, MA | 4.2 mi |
01583 | West Boylston, MA | 4.3 mi |
Find every ZIP code within 10 miles of 01606 →
Questions about this ZIP code
Where is ZIP code 01606?
01606 is in Worcester, Massachusetts, in Worcester County, part of the Worcester, MA metropolitan area. Its published point location is 42.3139, -71.7942.
What county is 01606 in?
01606 lies in Worcester County.
What area code is 01606?
Worcester uses area codes 508 and 774, from NANPA's telephone records.
What time zone is 01606 in?
01606 uses America/New_York.
How many people live in 01606?
About 22,844 people live in ZIP code 01606, in 9,192 households, at 3,815.0 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 01606?
$92,105 a year, against $103,960 across Massachusetts.
What ZIP codes are near 01606?
The closest are 01613 (1.5 mi), 01605 (1.7 mi), 01609 (2.7 mi), 01520 (3.4 mi) and 01601 (3.6 mi).
Is 01606 a PO Box ZIP code?
01606 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “01606 ZIP Code — Worcester, Massachusetts (Worcester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01606
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/01606.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.