从2025年10月开始,底特律大都会将添加地区代号679, 所有当地电话都需要10位数拨号。 Starting October 2025, Metro Detroit will add area code 679, requiring 10-digit dialing for all local calls.

从2025年10月开始,底特律大都会的居民和企业将需要使用新的679区代码以及现有的313和248区代码。 Starting October 2025, residents and businesses in Metro Detroit will need to use the new 679 area code alongside the existing 313 and 248 codes. 这一变化是满足因更多使用移动设备和互联网服务而不断增长的电话号码需求的全国性努力的一部分。 The change is part of a nationwide effort to meet growing demand for phone numbers due to increased use of mobile devices and internet-connected services. 客户将不需要改变当前号码,但必须开始拨打所有当地电话,拨全数10位数,包括地区代码,以避免通话失败。 Customers will not need to change their current numbers, but must begin dialing all local calls with the full 10-digit number, including the area code, to avoid call failures. 对大多数用户而言,过渡预计将是顺畅的,但官员们敦促及早做好准备,防止中断。 The transition is expected to be seamless for most users, but officials urge early preparation to prevent disruptions.