How to call China from Thailand

Call from Thailand to China:

The input format when dialing should be 009 86 area code + the number to be dialed, but there is no need to add a 0 before the area code. There are four international call access numbers in Thailand: 001, 007, 008, and 009. Among them, 007, 008, and 009 are IP calls, and the call charges are very cheap. Knowledge Expansion

Call from China to Thailand:

The format you enter when dialing should be 0066 phone number. Note that if the first digit in front of the number is 0, the 0 will be removed. Zero cannot be added after the country code. If you want to make an international long distance call, you must first go to the business office to activate the international long distance service.