Local exchanges 495 and 567 shall be included in the current 404 area code on or before July 1, 1996, and removed from the 706 area code; provided, however, that if a geographic area of the 404 area code is designated as a different area code and such geographic area is contiguous to a part of the geographic area where local exchange 495 or 567 is operational, then nothing in this Code section shall prohibit local exchange 495 or 567 from being included in the newly designated area code.