If you're using public transport there are plenty buses that come up the A10 from the City and Dalston Cross including bus no.s: 67, 76, 149 and 243. Apart from the 67, the same buses come down from Seven Sisters to Stoke Newington.
If you're coming from Islington, you can catch the 73 or 476. And if you're coming from Finsbury Park or Clapton you can get on a 106.
There is also regular trains from Liverpool Street to Stoke Newington BR. Or else feel free to use the TFL Journey Planner below.
If you're driving, check out the maps below - we're just off the A10.