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Region Name:Northern Region
This is the Thailand Region Name:Northern Region Area Code Database page list. You can click the title to browse the detail information.
| City | National Destination Code | Sn from | Sn to | Carrier Name | Number Type |
|---|---|---|---|---|---|
| Chiang Mai, Lamphun, Mae Hong Son and Chiang Rai | 52 | 000000 | 999999 | Telephone Organization of Thailand (TOT) | G |
| Chiang Mai, Lamphun, Mae Hong Son and Chiang Rai | 53 | 000000 | 999999 | Telephone Organization of Thailand (TOT) | G |
| Lampang, Payao, Phrae and Nan | 54 | 000000 | 999999 | Telephone Organization of Thailand (TOT) | G |
| Phitsanulok, Uttaradit, Tak, Sukhothai and Kamphaeng Phet | 55 | 000000 | 999999 | Telephone Organization of Thailand (TOT) | G |
| Nakhon Sawan, Chainat, Uthai Thani, Phichit and Phetchabun | 56 | 000000 | 999999 | Telephone Organization of Thailand (TOT) | G |
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