Area Code 925

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 925 and more than 200 others.

Reach out to customers in Walnut Creek, Pleasanton, Concord, Livermore, Bishop Ranch, Danville, and Antioch.

Source: Wikipedia