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/010

ZIP codes starting with 010

ZIP codes
70
States
MA
Largest city
Westfield, MA
Population
470,320

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 010xx

ZIP codes starting with 010
ZIP City Type Population Median income Median home
01001 Agawam , MA Standard 16,234 $75,342 $295,700
01002 Amherst , MA Standard 26,370 $70,818 $481,100
01003 Amherst , MA Standard 13,510 — —
01004 Amherst , MA No street area — — —
01005 Barre , MA Standard 5,204 $111,148 $392,600
01007 Belchertown , MA Standard 15,419 $108,125 $371,400
01008 Blandford , MA Standard 1,327 $97,554 $295,200
01009 Bondsville , MA Standard 804 $72,841 $274,200
01010 Brimfield , MA Standard 3,705 $111,250 $389,100
01011 Chester , MA Standard 1,175 $89,299 $291,400
01012 Chesterfield , MA Standard 397 $83,333 $438,700
01013 Chicopee , MA Standard 23,284 $59,759 $271,900
01014 Chicopee , MA No street area — — —
01020 Chicopee , MA Standard 30,167 $66,009 $280,900
01021 Chicopee , MA No street area — — —
01022 Chicopee , MA Standard 1,844 $51,373 $193,600
01026 Cummington , MA Standard 1,014 $92,250 $311,100
01027 Easthampton , MA Standard 17,716 $74,146 $375,700
01028 East Longmeadow , MA Standard 16,321 $106,424 $379,200
01029 East Otis , MA Standard 539 $107,679 $467,600
01030 Feeding Hills , MA Standard 12,305 $93,815 $327,700
01031 Gilbertville , MA Standard 1,676 $60,517 $245,600
01032 Goshen , MA Standard 509 $97,500 $361,600
01033 Granby , MA Standard 6,080 $119,297 $352,600
01034 Granville , MA Standard 2,332 $91,016 $356,800
01035 Hadley , MA Standard 5,306 $119,259 $511,000
01036 Hampden , MA Standard 4,946 $104,536 $358,200
01037 Hardwick , MA Standard 572 $74,722 $443,000
01038 Hatfield , MA Standard 2,491 $106,635 $442,500
01039 Haydenville , MA Standard 1,506 $116,429 $423,100
01040 Holyoke , MA Standard 37,813 $53,605 $274,100
01041 Holyoke , MA No street area — — —
01050 Huntington , MA Standard 2,529 $95,882 $289,500
01053 Leeds , MA Standard 2,304 $92,582 $356,900
01054 Leverett , MA Standard 1,608 $104,688 $435,500
01056 Ludlow , MA Standard 20,904 $84,838 $335,300
01057 Monson , MA Standard 8,176 $98,508 $345,300
01059 North Amherst , MA No street area — — —
01060 Northampton , MA Standard 16,492 $76,848 $453,400
01061 Northampton , MA No street area — — —
01062 Florence , MA Standard 9,816 $87,588 $421,000
01063 Northampton , MA Standard 2,272 $91,344 —
01066 North Hatfield , MA Standard 115 — —
01068 Oakham , MA Standard 1,639 $102,000 $420,100
01069 Palmer , MA Standard 8,821 $80,190 $274,000
01070 Plainfield , MA Standard 575 $60,536 $296,200
01071 Russell , MA Standard 1,054 $111,042 $298,700
01072 Shutesbury , MA Standard 1,521 $111,667 $355,100
01073 Southampton , MA Standard 6,230 $123,125 $452,300
01074 South Barre , MA Standard 368 $79,583 —
01075 South Hadley , MA Standard 17,754 $93,910 $357,900
01077 Southwick , MA Standard 9,217 $120,462 $397,500
01079 Thorndike , MA Standard 438 $70,588 $263,400
01080 Three Rivers , MA Standard 2,454 $89,063 $270,000
01081 Wales , MA Standard 1,747 $86,979 $296,800
01082 Ware , MA Standard 10,392 $69,018 $292,000
01083 Warren , MA Standard 2,858 $64,032 $364,800
01084 West Chesterfield , MA Standard 97 $93,125 $282,800
01085 Westfield , MA Standard 41,102 $88,728 $326,100
01086 Westfield , MA No street area — — —
01088 West Hatfield , MA Standard 702 $85,368 $407,500
01089 West Springfield , MA Standard 28,772 $69,371 $321,500
01090 West Springfield , MA No street area — — —
01092 West Warren , MA Standard 1,200 $68,614 $313,600
01093 Whately , MA Standard 225 $110,909 $445,100
01094 Wheelwright , MA Standard 52 — $472,200
01095 Wilbraham , MA Standard 14,618 $122,330 $415,000
01096 Williamsburg , MA Standard 2,580 $104,375 $374,900
01097 Woronoco , MA Standard 143 — $337,500
01098 Worthington , MA Standard 979 $96,250 $385,000

Cite this page

zipcodes.pro. “ZIP codes starting with 010.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/010

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