If overseas, the overseas service hotline of debit card (savings card) is +862 195559 or 00862 195559, and the overseas service hotline of credit card center is +86-4008009888. ?
The national unified customer service hotline of Bank of Communications is 95559. If you call from any city in China, you only charge the local phone bill. The charging standard for overseas calls can refer to international calls. Please consult your mobile operator for details.
Bank of Communications official website