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/020

ZIP codes starting with 020

ZIP codes
38
States
MA
Largest city
Franklin, MA
Population
429,887

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 020xx

ZIP codes starting with 020
ZIP City Type Population Median income Median home
02018 Accord , MA No street area — — —
02019 Bellingham , MA Standard 17,410 $125,307 $450,700
02020 Brant Rock , MA No street area — — —
02021 Canton , MA Standard 24,748 $143,381 $710,600
02025 Cohasset , MA Standard 8,427 $199,306 $1,318,900
02026 Dedham , MA Standard 25,237 $128,955 $661,800
02027 Dedham , MA No street area — — —
02030 Dover , MA Standard 5,930 $250,000+ $1,340,300
02032 East Walpole , MA Standard 4,992 $180,682 $702,300
02035 Foxboro , MA Standard 18,615 $115,833 $606,300
02038 Franklin , MA Standard 33,154 $145,773 $611,700
02040 Greenbush , MA No street area — — —
02041 Green Harbor , MA No street area — — —
02043 Hingham , MA Standard 24,283 $178,390 $1,134,200
02044 Hingham , MA No street area — — —
02045 Hull , MA Standard 10,138 $115,485 $646,000
02047 Humarock , MA Standard 182 $106,333 $682,700
02048 Mansfield , MA Standard 23,931 $125,273 $603,500
02050 Marshfield , MA Standard 25,963 $126,241 $679,700
02051 Marshfield Hills , MA No street area — — —
02052 Medfield , MA Standard 13,068 $235,800 $911,100
02053 Medway , MA Standard 13,436 $173,750 $617,300
02054 Millis , MA Standard 8,888 $155,996 $603,500
02055 Minot , MA No street area — — —
02056 Norfolk , MA Standard 11,673 $200,720 $725,200
02059 North Marshfield , MA No street area — — —
02060 North Scituate , MA No street area — — —
02061 Norwell , MA Standard 11,361 $188,699 $865,700
02062 Norwood , MA Standard 31,542 $107,030 $651,700
02065 Ocean Bluff , MA No street area — — —
02066 Scituate , MA Standard 19,099 $136,689 $850,800
02067 Sharon , MA Standard 18,538 $192,314 $736,100
02070 Sheldonville , MA No street area — — —
02071 South Walpole , MA Standard 2,089 $213,885 $651,800
02072 Stoughton , MA Standard 29,225 $104,794 $523,800
02081 Walpole , MA Standard 19,343 $156,250 $687,500
02090 Westwood , MA Standard 16,318 $223,125 $1,041,500
02093 Wrentham , MA Standard 12,297 $151,676 $654,900

Cite this page

zipcodes.pro. “ZIP codes starting with 020.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/020

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