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/OK/NEWCASTLE

Newcastle ZIP code, Oklahoma

The ZIP code for Newcastle, OK is 73065, and its area code is 405.

USPS city name
1 ZIP code
Overlapping the city
3 more
Population
13,001
Area code
405

Mail addressed to Newcastle uses the ZIP code above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Newcastle in numbers

About 13,001 people live in Newcastle, in 4,868 households, the 35th-largest of Oklahoma's 832 census places. The median household income is $93,398 a year, 44% above the Oklahoma median of $65,039 (US: $80,734). The median owner-occupied home is valued at $271,800 (36% above the Oklahoma median), and median gross rent is $1,105 a month. The median age is 38.4; 34.7% of adults 25 and over hold a bachelor's degree or higher (28.3% across Oklahoma); the average commute takes 28 minutes.

Population13,001Newcastle13,001
Households4,868Newcastle4,868
Median age38.4Newcastle38.4Oklahoma37.0US 38.9
Median household income$93,398Newcastle$93,398Oklahoma$65,039US $80,734
Median home value$271,800Newcastle$271,800Oklahoma$199,800US $332,700
Median gross rent$1,105Newcastle$1,105Oklahoma$1,014US $1,413
Bachelor's degree or higher34.7%Newcastle34.7%Oklahoma28.3%US 35.7%
Mean commute27.5 minNewcastle27.5 minOklahoma22.4 minUS 26.4 min
Population density216 / sq miNewcastle216 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Newcastle city. 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
73065 Newcastle , OK Standard 11,685 $87,358 $249,200

Other ZIP codes overlapping Newcastle

These ZIP codes cover part of Newcastle but are addressed as somewhere else.

ZIP codes overlapping Newcastle
ZIP City Type Population Median income Median home
73010 Blanchard , OK Standard 21,521 $90,110 $271,900
73072 Norman , OK Standard 50,881 $78,546 $306,500
73093 Washington , OK Standard 3,767 $96,719 $315,300

Map of Newcastle ZIP codes

The ZIP codes of Newcastle, OK, 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 Moore (63,420 people, 9.0 mi), Mustang (22,192 people, 13 mi) and Norman (129,672 people, 14 mi).

Towns near Newcastle
TownPopulationDistance
Blanchard 9,215 7.4 mi
Moore 63,420 9.0 mi
Tuttle 8,040 10.2 mi
Goldsby 3,085 10.2 mi
Mustang 22,192 12.7 mi
Norman 129,672 14.1 mi
Noble 7,493 14.7 mi
Oklahoma City 697,125 16.2 mi
Del City 21,494 16.7 mi
Bethany 20,560 18.5 mi
Midwest City 58,297 19.4 mi
Purcell 6,803 19.6 mi
Warr Acres 10,466 19.6 mi
Slaughterville 4,251 20.4 mi

More nearby: every ZIP code in McClain County · Oklahoma ZIP codes

Cite this page

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

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