Mail delivery services including Speedpost to Sichuan and nearby provinces and cities will be delayed as both outbound and inbound postal operations are affected by the earthquake in Sichuan, Hongkong Post says.

The affected areas include Chongqing (post code starting with 40), Gansu (post codes starting with 73 and 74), Guizhou (post codes starting with 55 and 56), Hubei (post codes starting with 43 and 44), Hunan (post codes starting with 41 and 42), Shaanxi (post codes starting with 71 and 72), Shanxi (post codes starting with 03 and 04), Sichuan (post codes starting with 61, 62, 63 and 64) and Yunnan (post codes starting with 65, 66 and 67).