Main city: Greenfield
Timezone: Eastern
Phone type: Unknown
Operator: Bright Clec

Greenfield, a village in Highland, Fayette, and Ross counties in the U.S. state of Ohio, along Paint Creek, a tributary of the Scioto River. The population was 4,639 at the 2010 census. Although the municipality is listed as a city by the Census Bureau, by Ohio law it officially became a village when its population dropped below 5,000. ^source

Area code 937 is a telephone area code serving much of the southwestern part of the U.S. state of Ohio and was established September 28, 1996. It covers Bellefontaine, Dayton, Fairborn, Hillsboro, Marysville, Springfield, Wilmington, Xenia, public parts of Wright-Patterson Air Force Base, and areas north and east of Cincinnati. It split from area code 513 in 1996. At the time, literature promoting the new area code took advantage of the fact that the numbers spelled YES. ^source