Telephone country codes never begin with zero.
Telephone country code +86, dialed as 00 86 from many places, is the People's Republic of China.
Telephone country code +6, dialed as 008 6 from many places, is an incomplete country code in the Pacific Ocean region. You need one or two more digits to determine which country.
To reduce the possibility of confusion, it is best to quote an international telephone number beginning with the plus symbol and the correct telephone country code (e.g., +86 or +679), omitting any dialing prefix.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The country code and area code of Changzhou- JS, China is 86, (0)519.
The country code and area code of Anyang- HEN, China is 86, (0)372.
The country code and area code of JiAn- JX, China is 86, (0)796.
The country code and area code of Anshun- GZ, China is 86, (0)853.
The country code and area code of Foshan- GD, China is 86, (0)757.
The country code and area code of Akesu- XJ, China is 86, (0)997.
The country code and area code of Baoding- HEB, China is 86, (0)312.
The country code and area code of Changde- HN, China is 86, (0)736.
The country code and area code of Alashanzuoqi- NM, China is 86, (0)483.
The country code and area code of Dalian- LN, China is 86, (0)411.
The country code and area code of Ezhou- HB, China is 86, (0)711.
The country code and area code of Beihai- GX, China is 86, (0)779.