Question 1

What country has the dial code +257?

Accepted Answer

国际区号 +257 属于 布隆迪。从国外拨打 布隆迪，请先拨本国国际接入码，再拨 +257，然后接本地号码。完整拨号指南见下方。

Question 2

How do I call a +257 number from outside 布隆迪?

Accepted Answer

Dial your country's international exit code (e.g. 00 or +), then 257, then the local number — omitting any leading 0 from the local number.

+257 是哪个国家的区号？