Imessage won't work after changing number

So i have simple movile and changed my number through customer service and now my iphones imessage won't work. Help anyone? I erased all data and content, i've tried turning on and off, any suggestions. It keeps saying it doesn't know if my carrier will support and that it's waiting for activation. But it worked perfect with my old number.

Please contact the customer service center through call or through an email.

  • Touch screen won't work after changing screen? My touch screen work after changing my screen on my iphone 4s? I've fitted it all correctly and checked the digitizer but it still isn't working. Anybody please help?
  • My iPhone won't let me use my number for iMessage? I just a got an iPhone today and I absolutely love it.however, my iMessage won't let me use my number for iMessage but only my email. How do can I use my number for iMessage.
  • My iMessage won't work on my iPhone 4S after ios7? So I updated to ios7 and now for some reason I can't send iMessages. It keeps saying "Not delivered". I can still receive iMessages but I just can't send them. I really need to know if it's something I can fix or do I have to bring it to the apple store.
  • Lost access on iphone and ipad after changing password on pc? After changing password, I have now lost all access to my yahoo email from my i-devices. I tried deleting and again adding my account, but have been getting the message: "Yahoo! Server Unavailable Please Try again later". This has been going on for several hours and is very frustrating. Please advise on how to fix this