Cant send texts to friend says Text not supported in country she is in my same state?

2020-09-16T15:28:59Z

How to fix?

BlkBear2020-09-16T15:54:08Z

When you say text, do you mean SMS or an MMS or app to app text, that uses data?

Are you sending to her correct phone number? Ten digits like this: 
1206-555-5666?