No, you will not incur any additional charges when using text messaging anywhere in the US.

For text messaging if you don’t have a text messaging package the standard charge is 5¢ per incoming message and 15¢ per outgoing messages. For ...

At this point, Thumb Cellular’s network does not support international text messaging. 

Text Messages When you have text messaging on your phone, you are automatically given an email address to which people can ...

With Common Short Codes, you can participate via text messaging in voting polls, receive information and alerts, enter sweepstakes and contests, and even have applications, such as ringtones, delivered right to ...

Try the following troubleshooting steps: Verify that you are dialing the number with area code. Make sure the inbox and outbox on ...