Area Code 646 January 18, 2021 allcitycodes Telephone Codes 0 Where is area code 646 located? Below you will find a list of all cities covered by area code 646 in New York. New York, NY Read more:Area Code 718Area Code 815Area Code 810Area Code 816Area Code 812Area Code 804Area Code 813Area Code 715Area Code 770Area Code 719