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 Online Account Management
Manage your accounts online with Online Account Management system. Now, you can update accounts, add/remove e-mails/cli, check balance, and many more. Simply login with your Account Number and TPIN. Click here.
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Tri-Isys Post WebMail is an online email system to provide easy access to all your email documents and attachments. With its 20MB storage space, there's nothing to worry about missing important email documents. And what more? You can also setup your email client (e.g. MS Outlook Express) to manage your emails with ease.
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 Online Subscription
Subscribing to Tri-Isys Internet is now easy. Simply fill-up our Online Subscription form. Please fill-up all necessary fields for your application to be processed.
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 Payment Centers
Tri-Isys subscribers (new, old, existing) can now conveniently pay their subscription at our accredited payment centers. Click here to view our accredited payment centers.
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 Payment Info
This page provides basic information on how to pay your subscription. You may also contact our billing department at 480-0777 or email us for more information on how to settle your accounts.
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 Billing FAQs
This page helps you answer frequently asked questions on billing. If you have more questions on billing that you would like us to answer please feel free to email us or contact us at 480-0777.
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Which value-added service do you prefer?

a. Anti_virus
b. Web accelerator
c. Web hosting
d. Global roaming
e. Wifi
Main Office: Helpdesk Hotline:
  • 230-8777
  • 480-0777
  • 230-8799
  • 480-0888
  • 230-8000
    Fax Number:  
  • 230-8792 (Prepaid Sales)
  • 230-8795 (Postpaid Sales)
  • 243-3749 (Accounting/Billing)