Martha, OK

ZIP code 73556 encompasses the town of Mangum in western Oklahoma. Located in Greer County, this area is known for its small-town charm and agricultural heritage. Key landmarks include the Greer County Museum, which showcases local history, and the Mangum Rattlesnake Derby, a popular annual event celebrating the region's unique wildlife. Visitors can also enjoy the nearby Quartz Mountain State Park for outdoor recreation opportunities.