New York Area Codes. Area codes Selected cities; 212, 646: Manhattan: 315: ... To find phone numbers, area code information, and area code maps, see our White Pages. New York City phone numbers are 10-digits long consisting of a 3-digit area code and a 7-digit local subscriber number. The phone number format is the same for both landline and mobile phones. Additional New York City dialing and calling information is provided throughout this site. New York City dialing instructions New York City phone numbers The 347 Area Code is located in the state of New York. Area Code 347 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2,048,754 unique phone numbers and 3,900,315 individuals near the cities of Brooklyn, Bronx, and New York. Lookup area code information for YORK, PA. Get the NPA NXX (area code and prefix) as well as much more data for YORK, PA.