The special administrative regions of Hong Kong and Macau are not part of this numbering plan, and use the calling codes 852 and 853 respectively.

China's mobile telephone numbers were changed from ten digits to eleven digits, with 0 added after 13x, and thus the HLR code became four-digit long to expand the capacity of the seriously fully crowded numbering plan.

In December 2016, each cell phone number was required to be consigned to a real name in mainland China.

These are area codes for the municipalities of Shanghai, Tianjin, and Chongqing, as well as several major cities with early access to telephones.

[9] It's still unclear whether 26 will be provided or not, some local materials say that it's reserved for Taiwan (especially its capital Taipei), but currently they use +886.

[10] Some proposals from planned independent cities (Chinese: 计划单列市) to get rights to operate 026 were also unsuccessful.

These are area codes for the autonomous region of Inner Mongolia, and the provinces in Northeast China (Liaoning, Jilin, and Heilongjiang).

These are area codes for the provinces of Jiangsu, Shandong (predominantly), Anhui, Zhejiang and Fujian.

1 - Kinmen, Matsu, and Wuchiu are under Taiwanese control, and hence use international calling code of +886.

These are area codes for the central provinces of Hubei, Hunan, Guangdong (predominantly), Jiangxi, and the autonomous region of Guangxi.

These are area codes for the provinces of Sichuan, Hainan, Guizhou, Yunnan (predominantly) and the autonomous region of Tibet.

[15] 29 - Dongchuan formerly 881, incorporated into 871 30 - also de facto used by Wa State of  Myanmar All telephone numbers are 8-digit in Hainan.

Formerly (most likely before 2000), Sanya, Wuzhishan, Lingshui, Ledong, Baoting and Qiongzhong were 899, Danzhou, Dongfang, Lingao, Baisha and Changjiang were 890.

Starting from 2012 in Shenzhen, an implemented system upgrade to unify three emergency reporting services into one number, 110.

As 112, 911, and 999 (except Beijing) are not official emergency numbers in China, when dialing them, a recording message is played about correction in Chinese and English twice, but no services are automatically redirected: However, some local report said that in sometimes, only within Beijing, China Unicom landlines and mobile phones call 010-112 may be successful as reporting service for call failures.

This must also be used for calls to Taiwan, Hong Kong and Macau from the Chinese mainland, together with their separate international codes, as follows: