Area Code 415

Local Presence for San Francisco, Daly City and Mill Valley

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 415 and more than 200 others.

Reach out to customers in San Francisco, Daly City and Mill Valley.

Source: Wikipedia