These are some free codes you can enter into your DTAC Happy phone to do a few useful things like check your balance, turn on your roaming, and check on your 3G internet balance.  Very handy.

  • Check your remaining balance – Press: *101*9# send or *101# send
  • Check your Internet credit – Press: *101*4*9# send
  • Check your SMS credit – Press: *101*2*9# send
  • Check your Happy for free credit – Press: *101*5*9# send
  • Find out your phone number – Press: *102*9# send
  • Check your Promotion – Press: *103*9# send – Switch plans IVR: Press *1003 send press 9
  • Current and last month’s usage – Press *108*9# send
  • Emergency refill service – Press *110*9# send
  • [sws_tooltip trigger=”Extend Validity” tooltipcontent=”Rates: 2 baht/30 day request, 6 baht/90 day, 12 baht/180 day. User will receive a confirmation SMS. Must have activated SIM for at least 90 days continuously, or have a total usage balance of over 200 baht. Account must not be suspended, and must have at least 1 day before it expires. Remaining credit may not be less than 10 baht after use. Account validity may not exceed 365 days.” effect=”toggle” width=”400px”] [/sws_tooltip] – Press : *113*[number of days 30/90/180]*9#send Example: *113*180*9# send for 180 day extension.
  • Wrong number Refund service – Keypress:*111*9# send – IVR:*1011
  • Emergency Call Me Back service – Press: *114*10_digits_number_you_want_to_contact*9# send – IVR:*1490
  • Turn on IR (International Roaming) – Press: *118*9#send or *1018 send
  • Turn off IR – Press: *118*2*9#send
  • Check IR roaming status- Press: *118*3*9#send
  • Check the price of a call to any country – Press: 004 international_number_to_call send
  • Credit Transfer Service – Press : *112*10 digits Happy Number*amount*9# send (Amounts: 20-200 Baht, 2 baht fee) IVR: *1411
  • Live Thai to English translation service: IVR: *1021 send
  • Check remaining balance of your internet package – *101*4*9# send
  • Check if the number is in DTAC network – *102*1*10 digits number*9# send
  • Check if the number is in DTAC network area – *102*10 digits number*9# send
  • Activate/Deactivate Happy internet – *104*71*9# send (Activate) *104*72*9# send (Deactivate)

 

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