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 — METRO/29060-LACONIA

Laconia, NH

ZIP codes
18
CBSA code
29060
Type
Micropolitan statistical area
States
NH
Population
64,659
Combined area
Boston-Worcester-Providence, MA-RI-NH

Metro areas are defined by the Office of Management and Budget as whole counties, so every ZIP code in a member county is listed here.

Laconia in numbers

About 64,659 people live in the Laconia micropolitan area. The median household income is $92,783 a year (US: $80,734). The median owner-occupied home is valued at $374,900, and median gross rent is $1,167 a month.

Population64,659Laconia64,659
Median household income$92,783Laconia$92,783US $80,734
Median home value$374,900Laconia$374,900US $332,700
Median gross rent$1,167Laconia$1,167US $1,413

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Its county

Counties in Laconia, NH
CountyZIP codesPopulationMedian income
Belknap County, NH 18 64,659 $92,783

ZIP codes in Laconia

ZIP codes in Laconia, NH
ZIP City Type Population Median income Median home
03218 Barnstead , NH Standard 1,160 $112,500 $346,900
03220 Belmont , NH Standard 7,393 $68,242 $316,200
03225 Center Barnstead , NH Standard 3,834 $111,660 $368,400
03226 Center Harbor , NH Standard 1,005 $107,500 $462,800
03237 Gilmanton , NH Standard 2,575 $111,359 $345,400
03246 Laconia , NH Standard 17,103 $73,241 $339,700
03247 Laconia , NH No street area — — —
03249 Gilford , NH Standard 7,830 $116,635 $456,500
03252 Lochmere , NH No street area — — —
03253 Meredith , NH Standard 6,707 $84,719 $482,700
03256 New Hampton , NH Standard 2,497 $87,917 $382,000
03269 Sanbornton , NH Standard 3,066 $107,083 $450,000
03289 Winnisquam , NH No street area — — —
03298 Tilton , NH No street area — — —
03299 Tilton , NH No street area — — —
03809 Alton , NH Standard 3,680 $106,397 $387,500
03810 Alton Bay , NH Standard 2,314 $148,261 $569,200
03837 Gilmanton Iron Works , NH Standard 1,451 $119,712 $409,600

Cite this page

zipcodes.pro. “Laconia, NH.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/metro/29060-laconia

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