How can I retrieve text messages from deleted contact number

[almareid1565]

Replaced one of my contacts old number with a new number , but I forgot I had messages attached to the number I deleted

 

[hang-the-9]

Your text message should not have gone away when you did that, they would just be under a different number. If for some reason they are no longer on the phone, contact your service provider although I have not heard of them backing up texts so likely will not be able to retrieve them.