Thai Recommended Readings: 
 Ancient Siam   Bangkok Puppet Show   White Orchid Dinner Cruise   A-Mei Concert Bangkok 2016

Related Reading: Happy SIM Card Refill

What is the Coverage Area?

DTAC service covers all provinces and districts nationwide in Thailand.>>>Click here to buy Happy SIM Card

DTAC Happy USSD Codes

Adding *9 returns English language. So *101# would give a Thai message. *101*9# would be in English.

Check your remaining balance – Press: *101*9# or *101# [call]

Check your add on credit – *101*1*9#  [call]

Check your Internet credit – *101*4*9#  [call]

Check your SMS credit – *101*2*9#  [call]

Check your Happy for free credit – *101*5*9#  [call]

Find out your phone number – *102*9#  [call]

Check your Promotion – *103*8*9#  [call]

Switch plans IVR – *1003 press 9  [call]

Current and last month’s usage – *108*9#  [call]

Emergency refill service – Press *110*9#  [call]

Press : *113*[number of days 30/90/180]*9# [call]  Example: *113*180*9#  [call] for 180 day extension.

Wrong number Refund service – *111*9# [call]  – IVR:*1011

Emergency Call Me Back service – *114*10_digits_number_you_want_to_contact*9#  [call] or IVR:*1490

Turn on IR (International Roaming) – *118*9#  [call]  or *1018 

Turn off IR – *118*2*9#  [call]

Check IR roaming status – *118*3*9#  [call]

Check the price of a call to any country – 004 international_number_to_call 

Credit Transfer Service – *112*10 digits Happy Number*amount*9# (Amounts: 20-200 Baht, 2 baht fee) or IVR: *1411 

Live Thai to English translation service: IVR: *1021 press 9

Check remaining balance of your internet package – *101*4*9#  [call]

Check if the number is in DTAC network – *102*1*08XXXXXXXX*9#  [call]

Activate/Deactivate Happy internet – *104*71*9#  [call](Activate) *104*72*9#  [call](Deactivate)

Use credit topup code – *100*card number,refill code*9#  [call]
>>>Click here to buy Happy SIM Card

Thai Recommended Readings: 
 Ancient Siam   Bangkok Puppet Show   White Orchid Dinner Cruise   A-Mei Concert Bangkok 2016