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 — CITY/NH/BATH

Bath ZIP code, New Hampshire

The ZIP code for Bath, NH is 03740, and its area code is 603.

USPS city name
1 ZIP code
Population
1,097
Area code
603

NANPA lists no telephone rate centre for Bath itself, so these are the area codes of the nearest one, Lisbon (5.1 miles). A town on an area-code boundary can differ from its neighbour.

Bath in numbers

About 1,097 people live in Bath, in 441 households. The median household income is $67,813 a year, 32% below the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $234,400 (42% below the New Hampshire median).

Population1,097Bath1,097
Households441Bath441
Median household income$67,813Bath$67,813New Hampshire$99,031US $80,734
Median home value$234,400Bath$234,400New Hampshire$402,500US $332,700

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

ZIP codes addressed as Bath

ZIP codes with the USPS city name Bath
ZIP City Type Population Median income Median home
03740 Bath , NH Standard 1,097 $67,813 $234,400

Map of Bath ZIP codes

03740

The ZIP codes of Bath, NH, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Bath

The nearest larger towns are Woodsville (1,422 people, 3.5 mi), Littleton (4,114 people, 15 mi) and St. Johnsbury, VT (5,859 people, 17 mi).

Towns near Bath
TownPopulationDistance
Littleton 4,114 14.9 mi
St. Johnsbury, VT 5,859 17.1 mi
Barre, VT 8,412 25.8 mi
Montpelier, VT 8,014 29.5 mi

More nearby: every ZIP code in Grafton County · New Hampshire ZIP codes

Cite this page

zipcodes.pro. “Bath, NH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nh/bath

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