Area Code 646

Local Presence for New York City, Manhattan and Harlem

You can increase your connection rate up to 30% by dialing from a local number.

Local Presence by Tenfold gives you one-click access from your existing phone system to a local number in the US area code 646 and more than 200 others.

Reach out to customers in New York City, Manhattan and Harlem.

Source: Wikipedia