Mid-range zap locations are the green warp pads you will undoubtedly see and utilize during your run through the game. Here are the following locations/destinations for all of the mid-range zap pads and where they're located.
Main Base:
Pleasure Dome (Far left side room, four tiers, where the Frank the Dog quest is given)
Satellite Chalet (in a room locked by three red doors and one unsecured door, above the second room in the course of its entry from Pleasure Dome)
Power Dome (behind a red door, first on the right side, in the main shaft)
Archives (go further beyond the active warp into the Grid Clash arena to find this room)
Grid Clash (above the staging grounds, requires you to enter the White Locker Room as a Black piece, or Black Locker Room as a White piece).
Waste Carousel 1 (Rogue Eye headquarters, story related)
Waste Carousel 2 (Rogue Eye headquarters, story related)
Luna Citadel:
Landing Zone (story related)
Methuselah's Core:
Core 1 (entrance)
Core 2 (past R.O.O.D.)