Hi jmstaana! Welcome to Globe Community!
You can refer to Network | Help and Support and/or http://tattoo.globe.com.ph/on-the-go-postpaid-basic-troubleshooting for more info.
Also, Globe Community is for non-account related concerns. For any account-related concerns like this, you can raise it to our Twitter Specialists at http://www.twitter.com/talk2GLOBE or any of our support channels listed at Contact Us so they can help you isolate the issue, and if there's need to log a network case for investigation.