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 — STATE/MA/COUNTY/BERKSHIRE

Berkshire County, MA ZIP codes

There are 38 ZIP codes in Berkshire County, MA, in 34 towns, from 01029 to 01343. The largest are 01201 (Pittsfield), 01247 (North Adams) and 01220 (Adams).

The county seat is Pittsfield.

ZIP codes
38
Towns
34
County seat
Pittsfield
County FIPS
25003
Population
129,430
Median household income
$76,013
Land area
927 sq mi
Area code
413
Metro area
Pittsfield

Berkshire County ZIP codes by town

Pittsfield (county seat)
01201, 01202, 01203

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Berkshire County ZIP codes

The ZIP codes of Berkshire County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Berkshire County in numbers

About 129,430 people live in Berkshire County, in 57,585 households, the 11th most populous of Massachusetts's 14 counties. The median household income is $76,013 a year, 27% below the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $305,400 (46% below the Massachusetts median), and median gross rent is $1,097 a month. The median age is 47.3; 40.0% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 21 minutes.

Population129,430Berkshire129,430
Households57,585Berkshire57,585
Median age47.3Berkshire47.3Massachusetts40.0US 38.9
Median household income$76,013Berkshire$76,013Massachusetts$103,960US $80,734
Median home value$305,400Berkshire$305,400Massachusetts$562,100US $332,700
Median gross rent$1,097Berkshire$1,097Massachusetts$1,762US $1,413
Bachelor's degree or higher40.0%Berkshire40.0%Massachusetts47.3%US 35.7%
Mean commute21.2 minBerkshire21.2 minMassachusetts29.1 minUS 26.4 min
Population density140 / sq miBerkshire140 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Berkshire County

Largest towns in Berkshire County
TownZIP codesPopulation
Pittsfield 3 43,457
North Adams 1 12,606
Dalton 2 6,256
Adams 1 5,427
Williamstown 1 5,070
Becket 1 2,495
Hinsdale 1 2,489
Sheffield 1 2,348
Great Barrington 1 2,331
Lanesborough 1 2,302
Lenox 1 1,866
Stockbridge 2 1,778
Lee 1 1,511
Housatonic 1 1,113
Richmond 1 1,036

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Berkshire County.

Not sure you are in Berkshire County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Berkshire County, with figures

ZIP codes in Berkshire County
ZIP City Type Population Median income Median home
01029 East Otis , MA Standard 539 $107,679 $467,600
01201 Pittsfield , MA Standard 44,848 $71,093 $259,800
01202 Pittsfield , MA No street area — — —
01203 Pittsfield , MA No street area — — —
01220 Adams , MA Standard 8,074 $58,929 $209,900
01222 Ashley Falls , MA Standard 664 $71,042 $349,500
01223 Becket , MA Standard 2,495 $86,818 $363,600
01224 Berkshire , MA Standard 228 $76,222 $275,900
01225 Cheshire , MA Standard 3,216 $69,803 $268,200
01226 Dalton , MA Standard 6,256 $79,438 $295,700
01227 Dalton , MA No street area — — —
01229 Glendale , MA Standard 263 — $395,900
01230 Great Barrington , MA Standard 8,826 $86,694 $527,300
01235 Hinsdale , MA Standard 2,489 $79,327 $267,500
01236 Housatonic , MA Standard 1,458 $111,250 $504,900
01237 Lanesborough , MA Standard 2,302 $90,898 $303,700
01238 Lee , MA Standard 5,944 $84,591 $355,700
01240 Lenox , MA Standard 5,111 $107,826 $470,400
01242 Lenox Dale , MA Standard 29 — —
01244 Mill River , MA Standard 271 $75,833 $685,700
01245 Monterey , MA Standard 692 $136,875 $629,900
01247 North Adams , MA Standard 14,794 $52,330 $205,200
01252 North Egremont , MA No street area — — —
01253 Otis , MA Standard 936 $116,806 $390,900
01254 Richmond , MA Standard 1,036 $125,893 $625,000
01255 Sandisfield , MA Standard 994 $91,111 $360,300
01256 Savoy , MA Standard 795 $61,328 $285,200
01257 Sheffield , MA Standard 2,348 $102,788 $441,000
01258 South Egremont , MA Standard 193 $142,500 $714,300
01259 Southfield , MA Standard 688 $158,125 $546,300
01260 South Lee , MA Standard 20 — —
01262 Stockbridge , MA Standard 1,778 $145,750 $622,400
01263 Stockbridge , MA No street area — — —
01264 Tyringham , MA Standard 188 $93,750 $916,700
01266 West Stockbridge , MA Standard 1,000 $100,417 $563,400
01267 Williamstown , MA Standard 9,633 $106,375 $429,800
01270 Windsor , MA Standard 1,036 $116,375 $386,700
01343 Drury , MA Standard 147 $69,375 $276,600

Cite this page

zipcodes.pro. “Berkshire County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ma/county/berkshire

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