noun
customer center; customer support center
A department or office that handles customer inquiries, complaints, and support, often by phone or online.
商品について質問があれば、カスタマーセンターにお電話ください。
If you have any questions about the product, please call the customer center.
カスタマーセンターの対応がとても丁
The customer center's service was very polite.