Guangzhou, Guangdong: 510000 area code: 020◎ Liwan District, Guangzhou, Guangdong: 510000 area code: 020◎ Yuexiu District, Guangzhou, Guangdong: 510000 area code: 020◎ Haizhu District, Guangzhou, Guangdong: 510000 area code: 020◎ Tianhe District, Guangzhou, Guangdong: Baiyun District, Guangzhou, Guangdong. Area code: 020◎ Panyu District, Guangzhou, Guangdong Postal Code: 511400 Area code: 020◎ Huadu District, Guangzhou, Guangdong Postal Code: 020◎ Nansha District, Guangzhou, Guangdong Postal Code: 511400 Area code: 020◎ Luogang District, Guangzhou, Guangdong Postal Code: 511300 Area code: 020◎ Zengcheng City, Guangzhou, Guangdong Postal Code: 51300.