County ZIP codes · Massachusetts · FIPS 25003
Berkshire County, MA ZIP Codes
Berkshire County, Massachusetts has 40 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 35 residential and 5 for PO boxes or a single organization. 33 of the residential ones lie mainly in Berkshire County and 2 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $52,330 in 01247 (North Adams) to $125,893 in 01254 (Richmond) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Berkshire County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $71,093 and $97,554.
They carry 35 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 35 residential ZIP codes in Berkshire County
33 ZIP codes lie mainly in Berkshire County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 01201 | Pittsfield | 44,848 | 743 | $71k | $260k | 100% |
| 01247 | North Adams | 14,794 | 322 | $52k | $205k | 100% |
| 01267 | Williamstown | 9,633 | 162 | $106k | $430k | 100% |
| 01230 | Great Barrington | 8,826 | 91 | $87k | $527k | 100% |
| 01220 | Adams | 8,074 | 353 | $59k | $210k | 100% |
| 01226 | Dalton | 6,256 | 288 | $79k | $296k | 100% |
| 01238 | Lee | 5,944 | 215 | $85k | $356k | 100% |
| 01240 | Lenox | 5,111 | 214 | $108k | $470k | 100% |
| 01225 | Cheshire | 3,216 | 120 | $70k | $268k | 100% |
| 01223 | Becket | 2,495 | 36 | $87k | $364k | 100% |
| 01235 | Hinsdale | 2,489 | 53 | $79k | $268k | 100% |
| 01257 | Sheffield | 2,348 | 69 | $103k | $441k | 100% |
| 01237 | Lanesborough | 2,302 | 47 | $91k | $304k | 100% |
| 01262 | Stockbridge | 1,778 | 90 | $146k | $622k | 100% |
| 01236 | Housatonic | 1,458 | 220 | $111k | $505k | 100% |
| 01254 | Richmond | 1,036 | 72 | $126k | $625k | 100% |
| 01270 | Windsor | 1,036 | 32 | $116k | $387k | 100% |
| 01266 | West Stockbridge | 1,000 | 49 | $100k | $563k | 100% |
| 01255 | Sandisfield | 994 | 20 | $91k | $360k | 100% |
| 01253 | Otis | 936 | 44 | $117k | $391k | 100% |
| 01256 | Savoy | 795 | 22 | $61k | $285k | 100% |
| 01245 | Monterey | 692 | 27 | $137k | $630k | 100% |
| 01259 | Southfield | 688 | 30 | $158k | $546k | 100% |
| 01222 | Ashley Falls | 664 | 145 | $71k | $350k | 100% |
| 01029 | East Otis | 539 | 54 | $108k | $468k | 100% |
| 01244 | Mill River | 271 | 47 | $76k | $686k | 100% |
| 01229 | Glendale | 263 | 106 | – | $396k | 100% |
| 01224 | Berkshire | 228 | 490 | $76k | $276k | 100% |
| 01258 | South Egremont | 193 | 9 | $143k | $714k | 100% |
| 01264 | Tyringham | 188 | 13 | $94k | $917k | 100% |
| 01343 | Drury | 147 | 13 | $69k | $277k | 100% |
| 01242 | Lenox Dale | 29 | 63 | – | – | 100% |
| 01260 | South Lee | 20 | 8 | – | – | 100% |
Partly in Berkshire County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
2 ZIP codes of Berkshire County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Berkshire | Elsewhere |
|---|---|---|
| 01008 | 6% | Hampden County 94% |
| 01026 | 9% | Hampshire County 91% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Berkshire County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Berkshire County's ZIP codes use 3 prefixes: 010, 012 and 013.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 010 | Hartford, CT (SCF 060) | 3 | 70 |
| 012 | Hartford, CT (SCF 060) | 36 | 37 |
| 013 | Central, MA (SCF 015) | 1 | 31 |
36 of the 37 ZIP codes that start with 012 are Berkshire County's, all sorted at Hartford, CT (SCF 060). The other one is 01243 (Middlefield).
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.