National Destination Code:42

This is the Thailand National Destination Code:42 Area Code Database page list. You can click the title to browse the detail information.

Region Code:
Region Name	City	Sn from	Sn to	Carrier Name	Number Type
North-Eastern Region	Udon Thani, Nong Bua Lamphu, Nong Khai, Nakhon Phanom, Mukdahan, Sakon Nakhon and Loei	000000	999999	Telephone Organization of Thailand (TOT)	G

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