| Area Codes and Postal Codes for Hainan Province |
| Area |
Area Code |
Postal Code |
| Area of Haikou |
| City of Haikou |
0898 |
570100 |
| Xiuying District |
0898 |
570100 |
| Longhua District |
0898 |
570100 |
| Meilan District |
0898 |
570100 |
| Qiongshan District |
0898 |
571100 |
| Anding |
0898 |
571200 |
| Yangpu |
0890 |
578000 |
| Area of Sanya |
| City of Sanya |
0898 |
572000 |
| Ding'an County |
0898 |
571200 |
| Wenchang County-level City |
0898 |
571300 |
| Qionghai County-level City |
0898 |
571400 |
| Wanning County-level City |
0898 |
571500 |
| Tunchang County |
0898 |
571600 |
| Danzhou County-level City |
0898 |
571700 |
| Lingao County |
0898 |
571800 |
| Chengmai County |
0898 |
571900 |
| Zhongsha Islands and Sea Area |
0898 |
572000 |
| Nansha Islands |
0898 |
752000 |
| Xisha Islands |
0898 |
572000 |
| Wuzhishan County-level City |
0898 |
572200 |
| Baoting Lizu-Miaozu Autonomous County |
0898 |
572300 |
| Lingshui Lizu Autonomous County |
0898 |
572400 |
| Ledong Lizu Autonomous County |
0898 |
572500 |
| Dongfang County-level City |
0898 |
572600 |
| Changjiang Lizu Autonomous County |
0898 |
572700 |
| Baisha Lizu Autonomous County |
0898 |
572800 |
| Qiongzhong Lizu-Miaozu Autonomous County |
0898 |
572900 |
| Tongshi |
0899 |
572200 |