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/NE/NEWCASTLE

Newcastle ZIP code, Nebraska

The ZIP code for Newcastle, NE is 68757, and its area code is 402.

USPS city name
1 ZIP code
Population
376
Area code
402

Newcastle in numbers

About 376 people live in Newcastle, in 169 households. The median household income is $83,438 a year, 9% above the Nebraska median of $76,475 (US: $80,734). The median owner-occupied home is valued at $136,000 (43% below the Nebraska median), and median gross rent is $713 a month. The median age is 57.2; 47.3% of adults 25 and over hold a bachelor's degree or higher (34.6% across Nebraska); the average commute takes 25 minutes.

Population376Newcastle376
Households169Newcastle169
Median age57.2Newcastle57.2Nebraska37.2US 38.9
Median household income$83,438Newcastle$83,438Nebraska$76,475US $80,734
Median home value$136,000Newcastle$136,000Nebraska$238,600US $332,700
Median gross rent$713Newcastle$713Nebraska$1,072US $1,413
Bachelor's degree or higher47.3%Newcastle47.3%Nebraska34.6%US 35.7%
Mean commute25.4 minNewcastle25.4 minNebraska19.2 minUS 26.4 min
Population density1,112 / sq miNewcastle1,112 / sq mi

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

ZIP codes addressed as Newcastle

ZIP codes with the USPS city name Newcastle
ZIP City Type Population Median income Median home
68757 Newcastle , NE Standard 783 $88,472 $135,200

Map of Newcastle ZIP codes

68757

The ZIP codes of Newcastle, NE, 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 Newcastle

The nearest larger towns are Vermillion, SD (11,878 people, 9.3 mi), Elk Point, SD (2,537 people, 10 mi) and Ponca (727 people, 10 mi).

Towns near Newcastle
TownPopulationDistance
Vermillion, SD 11,878 9.3 mi
Elk Point, SD 2,537 10.0 mi
North Sioux City, SD 3,045 20.9 mi
Dakota Dunes, SD 3,936 22.8 mi
South Sioux City 13,907 26.9 mi
Sioux City, IA 86,101 26.9 mi
Dakota City 2,675 28.2 mi
Wayne 6,121 29.5 mi

More nearby: every ZIP code in Dixon County · Nebraska ZIP codes

Cite this page

zipcodes.pro. “Newcastle, NE ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ne/newcastle

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