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 — STATE/NH?PAGE=2

New Hampshire ZIP codes

ZIP codes
281
Counties
10
Metro & micro areas
6
Population
1,394,868
Median household income
$99,031
Land area
9,280 sq mi

Counties in New Hampshire

Not sure which one you are in? What county am I in? finds it from your location.

Metro and micropolitan areas

Area codes in New Hampshire, most searched first

New Hampshire area codes: where each one is, the overlays, and the area codes of the largest cities

Largest cities and towns

All 281 ZIP codes in New Hampshire

Showing 251–281 of 281. Page 2 of 2.

ZIP codes in New Hampshire
ZIP City Type Population Median income Median home
03855 New Durham , NH Standard 2,748 $100,194 $339,400
03856 Newfields , NH Standard 2,023 $197,885 $646,400
03857 Newmarket , NH Standard 9,463 $100,845 $455,000
03858 Newton , NH Standard 4,836 $138,487 $459,500
03859 Newton Junction , NH No street area — — —
03860 North Conway , NH Standard 3,693 $71,759 $401,500
03861 Lee , NH Standard 4,576 $131,579 $480,600
03862 North Hampton , NH Standard 4,610 $144,583 $670,400
03864 Ossipee , NH Standard 2,131 $104,485 $328,200
03865 Plaistow , NH Standard 7,861 $108,317 $404,500
03866 Rochester , NH No street area — — —
03867 Rochester , NH Standard 22,732 $78,674 $273,900
03868 Rochester , NH Standard 6,133 $81,530 $268,800
03869 Rollinsford , NH Standard 2,456 $87,215 $413,500
03870 Rye , NH Standard 5,188 $140,938 $990,700
03871 Rye Beach , NH Standard 356 $142,115 $2,000,000+
03872 Sanbornville , NH Standard 4,438 $109,583 $334,400
03873 Sandown , NH Standard 6,628 $135,040 $483,400
03874 Seabrook , NH Standard 8,487 $82,995 $446,100
03875 Silver Lake , NH Standard 1,005 $115,583 $371,100
03878 Somersworth , NH Standard 12,205 $75,136 $317,900
03882 Effingham , NH Standard 1,912 $76,607 $322,700
03883 South Tamworth , NH Standard 233 $67,679 $363,000
03884 Strafford , NH Standard 4,306 $122,105 $427,900
03885 Stratham , NH Standard 7,754 $151,998 $655,400
03886 Tamworth , NH Standard 1,618 $74,450 $368,200
03887 Union , NH Standard 1,739 $91,875 $292,800
03890 West Ossipee , NH Standard 164 — —
03894 Wolfeboro , NH Standard 6,554 $94,349 $548,600
03896 Wolfeboro Falls , NH No street area — — —
03897 Wonalancet , NH Standard 8 — —

Cite this page

zipcodes.pro. “New Hampshire ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/nh

Underlying data is public domain or openly licensed — sources, vintages and licences.