As you are looking for customer care number of Bank of America USA, so here I am giving complete important numbers:

Bank of America Customer Care Numbers
Deposit accounts and accessible banking services
800.432.1000
TDD/TTY 800.288.4408
Spanish 800.688.6086
Mon.-Fri. 7 a.m.-10 p.m. or Sat.-Sun. 8 a.m.-5 p.m. local time
24/7 for lost or stolen cards

Mortgages and home equity accounts
New Loans (Mortgage and Home Equity) 800.915.8026
Mortgage Customer Service 800.669.6607 (800.300.6407 TDD/TTY)
Home Equity Customer Service 800.934.5626 (866.345.1260 TDD/TTY)

Credit cards
800.732.9194
TDD/TTY 800.222.7365 Credit Card
TDD/TTY 800.346.3178 WorldPoints® Credit Card
TDD/TTY 888.500.6267 Business Credit Card

Lost or stolen card?
888.635.6000.

Auto Loan
Existing Customer Only
1.800.215.6195
Monday–Friday 9 a.m.–8 p.m. ET
Saturday 9:30 a.m.–6 p.m. ET
TTY/TDD
1.866.345.1248
Monday–Friday 9 a.m.–8 p.m. ET

Mobile and Text Banking
Mobile Banking customer support
1.800.933.6262
Monday–Friday 8 a.m.–11 p.m. ET
Saturday–Sunday 8 a.m.–8 p.m. ET
Text Banking customer support
1.800.604.9961
24/7

Online Banking
Online Banking support
1.800.933.6262

Passcode or Online ID issues:
Mon.-Fri. 8 a.m.-11 p.m. ET
Sat.-Sun. 8 a.m.-8 p.m. ET

Bill Pay issues:
Mon.-Fri. 8 a.m.-11 p.m. ET
Sat.-Sun. 8 a.m.-8 p.m. ET

Technical support issues:
Mon.-Fri. 8 a.m.-11 p.m. ET
Sat.-Sun. 8 a.m.-8 p.m. ET
Text Banking support
1.800.604.9961
Monday-Sunday (support available anytime)

Credit Card
Credit Card Customer Service
(including lost or stolen card)
1.800.732.9194
24/7
International Collect
1.757.677.4701
(international cell phone roaming charges may apply)
24/7
Credit Card Activation
1.800.276.9939
24/7
TTY/TDD
1.800.222.7365