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/ND/KILLDEER

Killdeer ZIP code, North Dakota

The ZIP code for Killdeer, ND is 58640, and its area code is 701.

USPS city name
1 ZIP code
Population
985
Area code
701

Killdeer in numbers

About 985 people live in Killdeer, in 350 households. The median household income is $89,750 a year, 17% above the North Dakota median of $76,657 (US: $80,734). The median owner-occupied home is valued at $341,100 (36% above the North Dakota median), and median gross rent is $893 a month. The median age is 34.5; 25.8% of adults 25 and over hold a bachelor's degree or higher (32.7% across North Dakota); the average commute takes 14 minutes.

Population985Killdeer985
Households350Killdeer350
Median age34.5Killdeer34.5North Dakota35.9US 38.9
Median household income$89,750Killdeer$89,750North Dakota$76,657US $80,734
Median home value$341,100Killdeer$341,100North Dakota$249,900US $332,700
Median gross rent$893Killdeer$893North Dakota$954US $1,413
Bachelor's degree or higher25.8%Killdeer25.8%North Dakota32.7%US 35.7%
Mean commute13.8 minKilldeer13.8 minNorth Dakota17.9 minUS 26.4 min
Population density533 / sq miKilldeer533 / sq mi

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

ZIP codes addressed as Killdeer

ZIP codes with the USPS city name Killdeer
ZIP City Type Population Median income Median home
58640 Killdeer , ND Standard 1,369 $100,688 $343,700

Map of Killdeer ZIP codes

58640

The ZIP codes of Killdeer, ND, 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 Killdeer

The nearest larger towns are Dickinson (25,357 people, 33 mi), Watford City (6,039 people, 39 mi) and New Town (2,721 people, 45 mi).

More nearby: every ZIP code in Dunn County · North Dakota ZIP codes

Cite this page

zipcodes.pro. “Killdeer, ND ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nd/killdeer

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