To make an international call, you have to enter the country code first.
Tips
usage
Covers both ISO letter codes (CN, US, PL) and telephone dialing prefixes (+86, +1, +48). 代码 (dàimǎ) is the general word for 'code' — also used in 邮政编码 postal code, 验证代码 verification code, and computer 源代码 source code.
