I'm having trouble activating my iPhone 5?

I had an accident with my iPhone 6 so I have to activate my old iphone 5.
Here is some background info:
-My iPhone 5 says it has 4g lte and 3g and 1x but it's not activated it won't let me send messages or call. It's been like this since I activated my 6.
-It has a sim card. I tried removing and then putting it back in but it says nothing about activation and is normal.

I don't understand why you are asking your question here instead of asking your carrier.

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