Welcome back Knights - it’s good to see you again! 
I’d suggest starting with a meeting:
https://www.na.org/meetingsearch/
I know it feels intimidating at first but trust me, you’ll meet people who really understand you. You won’t be alone anymore.
There’s also online options:
Online meeting resources
Don’t give up and remember: you deserve a safe life where you’re not running and numbing. The running stops now: this is where you stand your ground. 
