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/GREENFIELD

Greenfield ZIP code, Oklahoma

The ZIP code for Greenfield, OK is 73043.

USPS city name
1 ZIP code
Population
113

ZIP codes addressed as Greenfield

ZIP codes with the USPS city name Greenfield
ZIP City Type Population Median income Median home
73043 Greenfield , OK Standard 142 $81,250 $90,000

Map of Greenfield ZIP codes

The ZIP codes of Greenfield, 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 Greenfield

The nearest larger towns are Geary (841 people, 7.2 mi), Watonga (2,623 people, 8.3 mi) and Hinton (4,909 people, 16 mi).

Towns near Greenfield
TownPopulationDistance
Watonga 2,623 8.3 mi
Hinton 4,909 16.3 mi
Weatherford 12,004 21.7 mi
Kingfisher 5,026 25.8 mi
El Reno 18,557 26.7 mi

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

Cite this page

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

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