Area Codes in Vientiane
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Bueng Kan | Bueng Kan Province | Thailand | 9,712 | 42 | 38000 |
| Loei | Loei Province | Thailand | 35,273 | 42 | 42000, 42100 |
| Nong Bua Lamphu | Nong Bua Lamphu Province | Thailand | 34,401 | 42 | 39000, 39170 |
| Nong Khai | Nong Khai Province | Thailand | 63,609 | 42 | 43000 |
| Udon Thani | Udon Thani Province | Thailand | 247,231 | 42 | 41000 |