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/01966

01966

ZIP 01966 is Rockport, Massachusetts, in Essex County; area codes 978 and 351; Eastern time.

Type
Standard
Time zone
America/New_York
County
Essex
Population
7,009
Coordinates
42.6407, -70.6202
☼ Live from 01966 — Rockport, MA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 01966 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 01966
  • 🔢 Type 01966 into a pocket calculator and turn it upside down: ggGIO — not quite a word, sorry.
  • ➕ As a number, 1,966 = 2 × 983. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11110101110
  • 🏠 Its numerical neighbours: 01965 (Prides Crossing, MA, 12 mi away) and 01969 (Rowley, MA, 15 mi away).
  • 🔄 Backwards, 01966 becomes 66910, which is not a ZIP code at all.
  • 👥 19 other ZIP codes are made of exactly the same digits (09166, 19066, 19606, 60169, 60196, 60619, …). The farthest-flung twin is 09166 in APO AE, a military post office, 3,644 miles away.
  • 🧭 Farther north than 80% of all ZIP codes, and farther east than 97%.
  • 🎯1,459 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01966 and you would come out at 42.64°S, 109.38°E — 819 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 02m.
  • 📏 At 7.0 square miles of land, 01966 is bigger than 23% of ZIP codes — room for about 5.3 Central Parks.
🌙 The sky over 01966 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population7,009This ZIP7,009
Households3,238This ZIP3,238
Housing units4,140This ZIP4,140
Median age59.7This ZIP59.7Massachusetts40.0US 38.9
Median household income$96,250This ZIP$96,250Massachusetts$103,960US $80,734
Median home value$746,100This ZIP$746,100Massachusetts$562,100US $332,700
Median gross rent$1,851This ZIP$1,851Massachusetts$1,762US $1,413
Bachelor's degree or higher55.1%This ZIP55.1%
Mean commute29.9 minThis ZIP29.9 min
Population density1,003.0 / sq miThis ZIP1,003.0 / sq mi

Business and tax activity

Business establishments159This ZIP159
Employees563This ZIP563
Annual payroll$30,638,000This ZIP$30,638,000
Tax returns filed3,900This ZIP3,900
Total adjusted gross income$622,434,000This ZIP$622,434,000

Land area

Land area6.99 sq miThis ZIP6.99 sq mi
Water area1.61 sq miThis ZIP1.61 sq mi

Other place names in 01966

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

ZIP codes near 01966

ZIPCityDistance
01931 Gloucester, MA 2.7 mi
01930 Gloucester, MA 3.3 mi
01929 Essex, MA 7.7 mi
01944 Manchester, MA 8.7 mi
01938 Ipswich, MA 11.6 mi
01965 Prides Crossing, MA 11.7 mi
01982 South Hamilton, MA 12.1 mi
01936 Hamilton, MA 13.2 mi
01961 Peabody, MA 13.2 mi
01971 Salem, MA 13.2 mi

Find every ZIP code within 10 miles of 01966 →

Questions about this ZIP code

Where is ZIP code 01966?

01966 is in Rockport, Massachusetts, in Essex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.6407, -70.6202.

What county is 01966 in?

01966 lies in Essex County.

What area code is 01966?

Rockport uses area codes 978 and 351, from NANPA's telephone records.

What time zone is 01966 in?

01966 uses America/New_York.

How many people live in 01966?

About 7,009 people live in ZIP code 01966, in 3,238 households, at 1,003.0 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 01966?

$96,250 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01966?

The closest are 01931 (2.7 mi), 01930 (3.3 mi), 01929 (7.7 mi), 01944 (8.7 mi) and 01938 (11.6 mi).

Is 01966 a PO Box ZIP code?

01966 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “01966 ZIP Code — Rockport, Massachusetts (Essex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01966

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/01966.json

Underlying data is public domain or openly licensed — sources, vintages and licences.