1 Check current package details (Main package and add-on package)

Direct Number (USSD) *103*8*9#

IVR -

At dtac app

2 Check current usage of main and add-on package (Call, Internet, SMS, MMS)

Direct Number (USSD) *121*1*9#

IVR *1811 Press 9 Press 1

At dtac app

5 Check credit limit

Direct Number (USSD) *121*8*9#

IVR -

At dtac app

1 Check remaining balance of main and add-on package

Direct Number (USSD) *121*6*9#

IVR *1811 Press 9 Press 2

At dtac app

1 Budget control service

Direct Number (USSD) Check Budget Control *146*9#
Apply, edit Budget Control *146*1*Amount budget control*9#
Cancel Budget Control *146*2*9#

IVR *7778

1 Check Number and Postpaid SIM Registration

Direct Number (USSD) *102*9#

IVR -

2 Check whether mobile number is registered under dtac or not

Direct Number (USSD) *102*08XXXXXXXX*9#

IVR -

3 Check mobile number usage area

Direct Number (USSD) *102*1*08XXXXXXXX*9#

IVR -

4 Activate internet alert SMS

Direct Number (USSD) *104*61*9#

IVR -

5 Deactivate internet alert SMS

Direct Number (USSD) *104*62*9#

IVR -

7 Disable dtac internet

Direct Number (USSD) *104*72*9#

IVR *1004 Press 9 Press 7

8 Activate International Roaming

Direct Number (USSD) *124*9#

IVR -

10 Deactivate International Roaming

Direct Number (USSD) *124*2*9#

IVR -

9 Activate Data Roaming

Direct Number (USSD) *124*4*9#

IVR -

10 Deactivate Data Roaming

Direct Number (USSD) *124*3*9#

IVR -

11 dtac prepaid top up service

Direct Number (USSD) *141*dtac prepaid numbers*Refill Amount20, 50, 100, 200, 300, 400, 500*9#

IVR *1411 Press 9

12 Call me back service

Direct Number (USSD) *149*08XXXXXXXX*9#

IVR *1490 Press 9

13 Check whether mobile number is registered under TriNet or not

Direct Number (USSD) *3000*9#

IVR *3000 Press 9

14 Voice Mail

Direct Number (USSD) -

IVR Listen, change language *1802 Press 2
Cancel *7080 Press 9

15 No Number No Talk (Reject incoming call with no number displayed)

Direct Number (USSD) *713*9#

IVR *7103 Press 9

16 Call screening (choose the number you wish to answer)

Direct Number (USSD) -

IVR *7143 Press 9

17 Ring4U ringback tone (3 Baht/min excl. VAT)

Direct Number (USSD) -

IVR *888 Press 1

18 dtac call center (3 baht/call excl. VAT)

Direct Number (USSD) -

IVR 1678 Press 9

19 dtac call center via SMS(1 Bht/message excl. VAT) Send in the details of why you wish to contact us and your mobile number via SMS to 16789
(1 message = Thai 70 characters/English 160 characters)

Direct Number (USSD) 16789

IVR -

20 FREE self-service numbers (Check balance, subscribe plan, turn ON-OFF internet, other additional services)

Direct Number (USSD) *1678*9#

IVR -

21 To cancel any advertisement via IVR

Direct Number (USSD) -

IVR Press *444 or Call 1678 (Cancel within 1 hour)