Westamerica Bank Address: 5121 Highway 140, Mariposa, CA 95338 Phone: (209) 966-7561 Banks, Loans Other Businesses: Premier Valley Bank at 5171 Highway 49, Mariposa, CA 95338 Meadow Creek Ranch B and B Inn at 2669 Triangle Rd, Mariposa, CA 95338 Mariposa Lodge at 5052 State Highway 140, Mariposa, CA 95338 Yosemite Inn - Mariposa at 5180 Jones Street, Mariposa, CA 95338