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/01258

01258

ZIP 01258 is South Egremont, Massachusetts, in Berkshire County; area code 413; Eastern time.

Type
Standard
Time zone
America/New_York
County
Berkshire
Metro area
Pittsfield, MA
Population
193
Coordinates
42.0909, -73.4702
☼ Live from 01258 — South Egremont, MA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 01258 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 01258
  • 🔢 Type 01258 into a pocket calculator and turn it upside down: BSZIO — not quite a word, sorry.
  • ➕ As a number, 1,258 = 2 × 17 × 37. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011101010
  • 🏠 Its numerical neighbours: 01257 (Sheffield, MA, 5 mi away) and 01259 (Southfield, MA, 12 mi away).
  • 🔄 Backwards, 01258 becomes 85210 — and that is a real ZIP code: Mesa, AZ, 2,161 miles away.
  • 👥 65 other ZIP codes are made of exactly the same digits (01825, 01852, 02185, 02815, 05821, 08215, …). The farthest-flung twin is 85012 in Phoenix, AZ, 2,169 miles away.
  • 🧭 Farther north than 76% of all ZIP codes, and farther east than 92%.
  • 🎯1,315 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01258 and you would come out at 42.09°S, 106.53°E — 868 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 15m of daylight. Shortest: 9h 06m.
  • 📏 At 22.3 square miles of land, 01258 is bigger than 39% of ZIP codes — room for about 17 Central Parks.
🌙 The sky over 01258 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population193This ZIP193
Households78This ZIP78
Housing units187This ZIP187
Median age52.1This ZIP52.1Massachusetts40.0US 38.9
Median household income$142,500This ZIP$142,500Massachusetts$103,960US $80,734
Median home value$714,300This ZIP$714,300Massachusetts$562,100US $332,700
Bachelor's degree or higher46.2%This ZIP46.2%
Mean commute30.6 minThis ZIP30.6 min
Population density8.7 / sq miThis ZIP8.7 / sq mi

Business and tax activity

Business establishments30This ZIP30
Employees492This ZIP492
Annual payroll$10,316,000This ZIP$10,316,000
Tax returns filed400This ZIP400
Total adjusted gross income$54,553,000This ZIP$54,553,000

Land area

Land area22.25 sq miThis ZIP22.25 sq mi
Water area0.15 sq miThis ZIP0.15 sq mi

ZIP codes near 01258

ZIPCityDistance
12517 Copake Falls, NY 3.2 mi
12516 Copake, NY 4.3 mi
06079 Taconic, CT 5.0 mi
01257 Sheffield, MA 5.3 mi
06068 Salisbury, CT 6.3 mi
12503 Ancramdale, NY 6.8 mi
01252 North Egremont, MA 7.5 mi
01222 Ashley Falls, MA 8.1 mi
12529 Hillsdale, NY 8.2 mi
06018 Canaan, CT 9.0 mi

Find every ZIP code within 10 miles of 01258 →

Questions about this ZIP code

Where is ZIP code 01258?

01258 is in South Egremont, Massachusetts, in Berkshire County, part of the Pittsfield, MA metropolitan area. Its published point location is 42.0909, -73.4702.

What county is 01258 in?

01258 lies in Berkshire County.

What area code is 01258?

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

What time zone is 01258 in?

01258 uses America/New_York.

How many people live in 01258?

About 193 people live in ZIP code 01258, in 78 households, at 8.7 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 01258?

$142,500 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01258?

The closest are 12517 (3.2 mi), 12516 (4.3 mi), 06079 (5 mi), 01257 (5.3 mi) and 06068 (6.3 mi).

Is 01258 a PO Box ZIP code?

01258 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “01258 ZIP Code — South Egremont, Massachusetts (Berkshire County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01258

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/01258.json

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