westamerica westamerica.com westamerica bank is a regional community bank with over 80 branches and 2 trust offices in 21 northern and central california counties. Category:banking credit and lending Global Rank:613,869 visits:77.0K pages/Per:2.0 westamericabankonline.com Category:banking credit and lending Global Rank:429,585 visits:75.1K pages/Per:5.2 ADS