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Happy internet micro SIM

Happy internet SIM

SIMPLE
- Many ways to top up you call credit anytime you need
Surf websites or check your mail on the go with our Happy internet service
Our world-wide service provides seamless communication across the continents

• Happy Go Inter

• International Call/ SMS/ MMS
Exclusive services for only Happy prepaid users
A free service to manage your account online
Read this first

Phone setting for GPRS/VAS /MMS

Check current promotions

Check your number

SIM CARD VALIDITY

Check balance
Happy user guide can be downloaded here
Register now

Terms & conditions

Confused with all the numbers?

Service halls

dtac center
A few things you should know

Our staffs are ready to serve your needs

Feel goood with the our quality network nationwide
Confused? The answers to a selection of frequently asked questions is just a click away!
Select from the list of topics below:
- Happy Online
- Happy Refill Card

Emergency Refill Service

Need to make a call but have no calling credit? With our Emergency Refill Service, Happy will lend you 30 baht, which will be debited from your next refill

Balance Transfer Service

Transfer your call credit to another Happy prepaid number with this service.

Emergency Call Back Service

Need to make a call but have no calling credit? With our Emergency Call Back Service, Happy will send an emergency SMS to the destination number (any network) telling them to give you a call back.

Day Give-Away Service

Want to extend the expiration date of your number? Day Give-Away Service is the answer you’re looking for! Exchange calling credit for SIM validity.

dtac Number Alert Service

This service helps you get the most out of your promotion by letting you know each time you call a dtac number.

Translation

Having a hard time communicating? Let Happy help, with our exclusive hotline and Happy translation service staff, who are ready to be your translator!

Wrong Call Refund Service

Made a wrong call? Get it refunded! Try out this great service from Happy.

Call Me Free Service

allows you to pay for the incoming calls.

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Exclusive service for only
Happy prepaid users