IPhone Help delete old contacts?

On a iPhone I have old numbers and I really don't like looking at them when I start a new text message I deleted them out my contacts but they still pop up is there anyway to get rid if it?

Step 1
Tap the green "Phone" icon on the bottom of the iPhone home screen.
Step 2
Tap the "Contacts" icon. This icon is a head and shoulder silhouette.
Step 3
Select the contact you want to delete from the list.
Step 4
Tap "Edit."
Step 5
Scroll down the list of editing options and select "Delete" to remove the contact.

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