Is it possible to unblock someone on Instagram?

[trooper87]

How do I block or unblock someone?
To block or unblock someone:
Go to their profile by tapping at the bottom of the app and searching for their name or username
Tap (iPhone) or the three dots (Android/Windows Phone) in the upper-right corner of their profile
Tap Block User or Unblock User
=====================================
++++++++++++++++++++++++++++++++++++++++++++++
This is their help center.....research it for your answer..
http://help.instagram.com/
+++++++++++++++++++++++++++++++++++++++++++++++
Contact Instagram
http://customerservicenumbers.com/co-instagram

This link contains web sites that may be helpful in actually contacting them to resolve your issue
http://search.yahoo.com/search?ei=utf-8&...