Phon Phisai district
Phon Phisai 
    โพนพิสัย  | |
|---|---|
District location in Nong Khai province  | |
| Coordinates: 18°1′19″N 103°4′38″E / 18.02194°N 103.07722°E | |
| Country | Thailand | 
| Province | Nong Khai | 
| Area | |
 • Total  | 642.7 km2 (248.1 sq mi) | 
| Population  (2008)  | |
 • Total  | 96,580 | 
| • Density | 149.1/km2 (386/sq mi) | 
| Time zone | UTC+7 (ICT) | 
| Postal code | 43120 | 
| Geocode | 4305 | 
Phon Phisai (Thai: โพนพิสัย, pronounced [pʰōːn pʰíʔ.sǎj]; Northeastern Thai: โพนพิสัย, pronounced [pʰôːn pʰìʔ.sǎj]) is a district (amphoe) in Nong Khai province, northeastern Thailand.