The 347 area code serves New York City, excluding Manhattan. It is an overlay for area code 718 and serves the same area. The cities covered by the 347 area code include Brooklyn, Queens, and parts of Cambria Heights and Hicksville. The area code has been in service since October 1, 1999. According to Intelius data, the 347 area code covers roughly 793,588 phone numbers, with Brooklyn being the largest city within this area code with a population of about 2,565,617.