Nong Khai Area Codes, Thailand |
| Country | Town/City | Area Code |
| Thailand | Nong Khai | +66 42 |
Area Codes of Thailand Cities
- Area Code of Bangkok
- Area Code of Chanthaburi
- Area Code of Chiang Mai
- Area Code of Chon Buri
- Area Code of Kanchanaburi
- Area Code of Khon Kaen
- Area Code of Lampang
- Area Code of Nakhon Ratchasima
- Area Code of Nong Khai
- Area Code of Pattaya City
- Area Code of Phitsanulok
- Area Code of Phuket
- Area Code of Songkhla
- Area Code of Surat Thani
- Area Code of Ubon Ratchathani