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 — PREFIX/012

ZIP codes starting with 012

ZIP codes
37
States
MA
Largest city
Pittsfield, MA
Population
128,778

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 012xx

ZIP codes starting with 012
ZIP City Type Population Median income Median home
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 — —
01243 Middlefield , MA Standard 173 $91,250 $292,900
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

Cite this page

zipcodes.pro. “ZIP codes starting with 012.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/012

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