1. Beicang Business Hall: the intersection of Beiguoyuan Road and Dongguoyuan Road in Beichen District, Tianjin (opposite to Xia Guang Shopping Mall);
2. Guangqing Business Hall: No.78 Bajin Road, Guangqing Village, Guangqing Town, Beichen District, Tianjin (opposite to Shiji Hualian Supermarket);
3. Shuang Jie Business Hall:No. Shunchang Road 14, Shuang Jie Town, Beichen District, Tianjin (the bottom business of Chailou New Manor);
4. Xiaodian business hall: the bottom business of Genting Garden, Xiaodian Town, Beichen District, Tianjin.
It is suggested to call the customer service hotline of Unicom before going to the business hall to check whether there are some preferential activities on the mobile phone number, which makes it impossible to cancel the account. If it can be handled after negotiation, the owner can bring valid documents to Unicom's self-built business hall.