It is the unified prefix of GSM network technology, so when you send a short message, if the other party's mobile phone is GSM network, you can use the plus sign instead of the international long distance prefix. The international area code for China is +86.

International area code: (1) Asia: Malaysia 0060, Indonesia 0062, Philippines 0063, Singapore 0065, Thailand 0066, Brunei 00673, Japan 008 1, Korea 0082, Vietnam 0084, North Korea 00850, Hong Kong 00852, Macau. Laos 00856, Taiwan Province 00886, Bangladesh 00880, Turkey 0090, India 009 1, Pakistan 0092, Afghanistan 0093, Sri Lanka 0094, Myanmar 0095, Maldives 00960,

(2) Europe: Russia 007, Greece 0030, Netherlands 003 1, Belgium 0032, France 0033, Spain 0034, Portugal 0035 1, Luxembourg 00352, Ireland 00353, Hungary 00336, Germany 00349 and Italy 0036.

Africa: Egypt 0020, Morocco 002 10, Kenya 00254, South Africa 0027,

(4) North America: US 00 1, Canada 00 1,

(5) South America: Mexico 0052, Cuba 0053, Argentina 0054, Brazil 0055,

(6) Oceania: Australia 006 1, New Zealand 0064.