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/037

ZIP codes starting with 037

ZIP codes
29
States
NH
Largest city
Claremont, NH
Population
79,949

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 037xx

ZIP codes starting with 037
ZIP City Type Population Median income Median home
03740 Bath , NH Standard 1,097 $67,813 $234,400
03741 Canaan , NH Standard 4,131 $82,181 $257,500
03743 Claremont , NH Standard 13,704 $59,625 $206,600
03745 Cornish , NH Standard 1,816 $91,821 $296,000
03746 Cornish Flat , NH No street area — — —
03748 Enfield , NH Standard 4,563 $95,089 $388,500
03749 Enfield Center , NH No street area — — —
03750 Etna , NH Standard 1,116 $250,000+ $881,000
03751 Georges Mills , NH Standard 397 — —
03752 Goshen , NH Standard 1,042 $70,417 $255,600
03753 Grantham , NH Standard 3,509 $106,285 $343,900
03754 Guild , NH No street area — — —
03755 Hanover , NH Standard 10,569 $165,884 $814,600
03756 Lebanon , NH No street area — — —
03765 Haverhill , NH Standard 513 $79,625 $262,500
03766 Lebanon , NH Standard 11,195 $100,881 $395,600
03768 Lyme , NH Standard 1,710 $133,906 $645,000
03769 Lyme Center , NH No street area — — —
03770 Meriden , NH Standard 604 $153,750 $594,400
03771 Monroe , NH Standard 786 $88,150 $312,700
03773 Newport , NH Standard 7,681 $81,232 $239,300
03774 North Haverhill , NH Standard 1,420 $58,452 $227,900
03777 Orford , NH Standard 1,295 $92,571 $271,900
03779 Piermont , NH Standard 868 $80,000 $341,600
03780 Pike , NH Standard 1,071 $189,550 $617,800
03781 Plainfield , NH Standard 1,918 $109,659 $426,400
03782 Sunapee , NH Standard 3,122 $110,175 $412,000
03784 West Lebanon , NH Standard 3,804 $91,000 $371,500
03785 Woodsville , NH Standard 2,018 $57,902 $244,100

Cite this page

zipcodes.pro. “ZIP codes starting with 037.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/037

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