Oklahoma Zip Codes

Oklahoma has a total of 657 ZIP codes, reflecting its combination of urban centers, suburban communities, and vast rural areas. All ZIP codes in Oklahoma begin with the digits 73 or 74, uniquely designating the state. The range starts at 73001 in Alex, a small town in central Oklahoma, and extends to 74966 in Watts, located near the Arkansas border.

The 730 to 731 series primarily serves central Oklahoma, including Oklahoma City, the state’s capital, and its surrounding suburbs. The 734 to 738 series covers southern and western Oklahoma, including areas like Lawton, Ardmore, and Woodward. The 740 to 749 series spans northeastern Oklahoma, including Tulsa, the state’s second-largest city, as well as Bartlesville and Muskogee.

Oklahoma’s ZIP codes are essential for organizing mail delivery across its diverse geography, which ranges from urban hubs to agricultural plains and Native American tribal lands. These codes also play a role in defining school districts, voting precincts, and municipal boundaries, while supporting industries such as energy, agriculture, and manufacturing.

In the table below, you can see all Oklahoma zip codes listed by city, town and village as well as county affiliated. With 583 cities (and towns) and 77 counties (and county-equivalents), Oklahoma is the 28th largest state by population (3,923,561)  and 19th largest one by land area (177,660 km²) in the United States.

The capital of Oklahoma is Oklahoma City and major cities include Tulsa, Norman, Broken Arrow, and Lawton.

List of Oklahoma Zip Codes by City