Area code 478
Area code 478 is a telephone area code serving part the state of Georgia, in the United States. It covers Macon and central Georgia. It was formerly part of area code 912. The new area code, along with area code 229, became effective in 2001 in a 3-way split., Bibb, Bleckley, Burke, Crawford, Dodge, Dooly, Emanuel, Houston, Jefferson, Jenkins, Johnson, Jones, Laurens, Macon, Monroe, Peach, Pulaski, Taylor, Twiggs, Upson, Washington, and Wilkinson.