Ga. Code § 16-11-64.1
Any district attorney having jurisdiction over the prosecution of the crime under investigation or the Attorney General is authorized to make application for an order or an extension of an order authorizing or approving the installation and use of a pen register or a trap and trace device to a judge of the superior court of the same judicial circuit as the district attorney, or, in the case of the Attorney General, in any judicial circuit; and such court shall be authorized to enter an order authorizing the use of a pen register or a trap and trace device, to the extent the same is consistent with and permitted by the laws of the United States. Such order shall have state-wide application and the interception by use of a pen register or trap and trace device shall be permitted in any location in this state.
OCGA § 16-11-64.1