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/IA/NORTHBORO

Northboro ZIP code, Iowa

The ZIP code for Northboro, IA is 51647, and its area code is 712.

USPS city name
1 ZIP code
Population
90
Area code
712
State
Iowa

ZIP codes addressed as Northboro

ZIP codes with the USPS city name Northboro
ZIP City Type Population Median income Median home
51647 Northboro , IA Standard 172 $23,633 —

Map of Northboro ZIP codes

The ZIP codes of Northboro, IA, 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 Northboro

The nearest larger towns are Coin (277 people, 4.5 mi), Westboro, MO (106 people, 5.2 mi) and College Springs (171 people, 9.0 mi).

Towns near Northboro
TownPopulationDistance
Shenandoah 4,892 11.2 mi
Clarinda 5,353 16.3 mi
Red Oak 5,510 28.3 mi
Maryville, MO 10,428 28.8 mi

More nearby: every ZIP code in Page County · Iowa ZIP codes

Cite this page

zipcodes.pro. “Northboro, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/northboro

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