dialling code

例句：

1. 1. The phone company provided a dialling code for the new service.
   电话公司为这项新服务提供了拨号码。
2. 2. The customer service representative dialled the customer's number to check their status.
   客户服务代表拨打了客户的电话号码来检查他们的状态。
3. 3. The police department uses a dialling code system to track down fugitives.
   警察局使用拨号码系统来追踪逃犯。