Have you received a phone call from a phone number beginning +86 3? If so this 86 3 number could have originated from one of three provinces in China: Hebei, Shaanxi, or Henan.
In the number 86 3, the +86 prefix indicates the call originated in the People’s Republic of China. In fact any call beginning with the country prefix +86, will have come from that country. If your call was from a number beginning 86 3 then the actual province depends on the next two digits:
+86 31, or 33 are from Hebei
+86 34, or 35 are from Shanxi
+86 37, or 39 are from Henan