Excuse me, how to call Unicom customer service toll-free number in the United States? Call 8618618610010.

18618610010 is China Unicom's international service hotline, which provides more professional international long-distance and roaming services for Taiwan, Hong Kong, Macao and international roaming customers. If you have any questions about overseas roaming service, please call18618610010 for consultation.

Tariff standard:

Overseas: using China Unicom's mobile phone number to call the hotline is free; Call the hotline with roaming local telephone, and charge according to roaming local standard tariff.

In China: Call the hotline at the normal rate (this number is Beijing number);

Dialing mode

Overseas:+8618618610010 or (international access code) 86186100/kloc-0.

At home: call18618610010 directly.