You can reach Bank of America's customer service regarding new home equity applications at 800.779.3894, Monday to Friday, 8 a.m.-10 p.m. ET, and Saturday, 8 a.m. to 6:30 p.m. ET. For existing home equity accounts, you can call 800.934.5626, Monday to Friday, 8 a.m. to 9 p.m. ET.