Here are a collection of Thai USSD or keypress codes and IVR phone numbers for your AIS 1-2-Call, True Move or DTAC Happy phone. Keypress codes are entered into the phone and are free, while IVR (Interactive Voice Response) numbers require you to make a call and listen to options, which is usually not available overseas.

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
Check your add on credit	Press:*101*1*9#
Check your Internet credit	Press:*101*4*9#
Check your SMS credit	Press: *101*2*9#
Check your Happy for free credit	Press:*101*5*9#
Find out your phone number	Press:*102*9#
Check your Promotion	Press:*103*8*9#
Switch plans IVR	Press:*1003 press 9
Current and last month's usage	Press:*108*9#
Emergency refill service	Press:*110*9#
Wrong number Refund service	Press:*111*9#
Emergency Call Me Back service	Press: *114*number_you_want_to_contact*9#IVR:*1490
Turn on IR (International Roaming)	Press:*118*9#
Turn off IR	Press: *118*2*9#
Check IR roaming status	Press:*118*3*9#
Check the price of a call to any country	Press:004 international_number_to_call
Credit Transfer Service	Press:*112*10 digits Happy Number*amount*9# or IVR: *1411
Live Thai to English translation service	Press:IVR: *1021 press 9
Check remaining balance of your internet package	Press:*101*4*9#
Check if the number is in DTAC network	Press:*102*1*08XXXXXXXX*9#
Activate/Deactivate Happy internet	Press:*104*71*9# or (Activate) *104*72*9#
Use credit topup code	Press:*100*card number,refill code*9#

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AIS 12Call USSD Codes

Check your Usage and Balance service	Press: *121# or dial *121
Checking Bonus Minutes and Mao Mao Usage	Press: * 121#
Fee call Bonus Checking	Press: *121*2#
Remain Package Checking	Press: *121*3# The total remaining usage quota of your Internet/ SMS/ iSMS/MMS/ WiFi package(s) will be sent to you via SMS
Internet Balance Checking	Press :*121 Press ’4’ to check Internet balance
Check/Change /Subscribe packages	Press:*777
Balance Transfer Service	Press:*140*1* Destination AIS One-2-Call! Number in 10-digit*Transfer Amount#
Balance Transfer Request Service “New”	Press:*140*12* Destination AIS One-2-Call!/Postpaid Number in 10-digit*Request Amount#
Validity Transfer Service	Press: *140*2*Destination AIS One-2-Call! Number in 10-digit *Days of Validity to transfer#
Call Me Back Service	Press: *222*Destination Number in 10-digit#
Change preferred language service	Press: *118*2#call (“ENGLISH”)
On-top Internet Packages	Press:*501# Main Menu will be displayed on screen. Press ‘Reply’* and type desired menu number you wish to subscribe to
Get your own phone number	Press:*545#
Get WiFi Username and password	Press: *388#
Turn on International Roaming	Press:*125 or*125*1#
Check number register	Press: *161#
Use a Voucher PIN Scratch Card Code	Press: *121# - Check balance Press: *120*# Press *121# - Check balance

AIS 1-2-Call International Calling with 005 and 00500 (cheaper) Dial 005 or 00500 before the number to use these calling rates from AIN Globelines service. Example: AUSTRALIA Dial 00500 > 61 14 XXXXXXX = 7 Baht / Min. All keypress codes free.

• • • Check "00500" call rate to another country - Press *005*0*country code#
    • Check "500" call rate to another country - Press: *500*1*country code#
    • Return address and phone number of the countries embassy - Press: *500*2*country code#
    • Check the cost of your most recent 005 international call - Press: *500*3#
    • Check current time in countries time zone - Press: *500*3*country code#

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True Move USSD Codes

Check your mobile number	Press: *833#(for English message)
Check your current package	Press: 9305
Extend Validity 30 days	Press: *934# or Call: *9344 (3.21 baht per call)
Check balance and detail usage	Press: #123#
Check internet and WIFI balance	Press :*900#
Apply to internet service	Press:*902*01#
Cancel internet service	Press:*902*02#
Apply for internet service while being aboard	Press:*113*1#
Cancel internet while aboard	Press:*113*2#
Request WIFI password	Press: *871*4#free (WiFi tariff depend on your package)
Apply for SMS internet service alert	Press: *902*03#
Cancel SMS internet service alert	Press:*902*04#
For "Call Me Please" (Notify destination number call back)	Press:*922*1*destination number#(for English message)
To check your mobile number under TrueMove or TrueMove H	Press: *833*mobile number 10 digit#(for English message)
To change language in IVR	Press: 9304

How to use a USSD code with your phone

Enter the USSD code into your dial menu, like you would dial a phone number. Then click the green call button.